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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68
  69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95         return strftime(s, max, fmt, tm);
  96 }
  97
  98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  99         struct tm loctime;
 100 #ifdef WIN32
 101 #if !defined(_WIN32_WCE)
 102         loctime=*localtime(&start_time);
 103         /*FIXME*/
 104 #endif /*_WIN32_WCE*/
 105 #else
 106         localtime_r(&start_time,&loctime);
 107 #endif
 108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 109 }
 110
 111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 113         cl->dir=call->dir;
 114         cl->start_date_time=call->start_time;
 115         set_call_log_date(cl,cl->start_date_time);
 116         cl->from=from;
 117         cl->to=to;
 118         cl->status=LinphoneCallAborted; /*default status*/
 119         cl->quality=-1;
 120         return cl;
 121 }
 122
 123 void call_logs_write_to_config_file(LinphoneCore *lc){
 124         MSList *elem;
 125         char logsection[32];
 126         int i;
 127         char *tmp;
 128         LpConfig *cfg=lc->config;
 129
 130         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 131
 132         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 133                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 134                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 135                 lp_config_clean_section(cfg,logsection);
 136                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 137                 lp_config_set_int(cfg,logsection,"status",cl->status);
 138                 tmp=linphone_address_as_string(cl->from);
 139                 lp_config_set_string(cfg,logsection,"from",tmp);
 140                 ms_free(tmp);
 141                 tmp=linphone_address_as_string(cl->to);
 142                 lp_config_set_string(cfg,logsection,"to",tmp);
 143                 ms_free(tmp);
 144                 if (cl->start_date_time)
 145                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 146                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 147                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 148                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 149                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 150                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 151                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 152         }
 153         for(;i<lc->max_call_logs;++i){
 154                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 155                 lp_config_clean_section(cfg,logsection);
 156         }
 157 }
 158
 159 static time_t string_to_time(const char *date){
 160 #ifndef WIN32
 161         struct tm tmtime={0};
 162         strptime(date,"%c",&tmtime);
 163         return mktime(&tmtime);
 164 #else
 165         return 0;
 166 #endif
 167 }
 168
 169 static void call_logs_read_from_config_file(LinphoneCore *lc){
 170         char logsection[32];
 171         int i;
 172         const char *tmp;
 173         uint64_t sec;
 174         LpConfig *cfg=lc->config;
 175         for(i=0;;++i){
 176                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 177                 if (lp_config_has_section(cfg,logsection)){
 178                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 179                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 180                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 181                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 182                         if (tmp) cl->from=linphone_address_new(tmp);
 183                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 184                         if (tmp) cl->to=linphone_address_new(tmp);
 185                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 186                         if (sec) {
 187                                 /*new call log format with date expressed in seconds */
 188                                 cl->start_date_time=(time_t)sec;
 189                                 set_call_log_date(cl,cl->start_date_time);
 190                         }else{
 191                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 192                                 if (tmp) {
 193                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 194                                         cl->start_date_time=string_to_time(cl->start_date);
 195                                 }
 196                         }
 197                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 198                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 199                         if (tmp) cl->refkey=ms_strdup(tmp);
 200                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 201                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"call_id",NULL);
 203                         if (tmp) cl->call_id=ms_strdup(tmp);
 204                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 205                 }else break;
 206         }
 207 }
 208
 209
 210
 211 /**
 212  * @addtogroup call_logs
 213  * @{
 214 **/
 215
 216 /**
 217  * Returns a human readable string describing the call.
 218  *
 219  * @note: the returned char* must be freed by the application (use ms_free()).
 220 **/
 221 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 222         char *status;
 223         char *tmp;
 224         char *from=linphone_address_as_string (cl->from);
 225         char *to=linphone_address_as_string (cl->to);
 226         switch(cl->status){
 227                 case LinphoneCallAborted:
 228                         status=_("aborted");
 229                         break;
 230                 case LinphoneCallSuccess:
 231                         status=_("completed");
 232                         break;
 233                 case LinphoneCallMissed:
 234                         status=_("missed");
 235                         break;
 236                 default:
 237                         status="unknown";
 238         }
 239         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 240                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 241                         cl->start_date,
 242                         from,
 243                         to,
 244                         status,
 245                         cl->duration/60,
 246                         cl->duration%60);
 247         ms_free(from);
 248         ms_free(to);
 249         return tmp;
 250 }
 251
 252 /**
 253  * Returns RTP statistics computed locally regarding the call.
 254  *
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 257         return &cl->local_stats;
 258 }
 259
 260 /**
 261  * Returns RTP statistics computed by remote end and sent back via RTCP.
 262  *
 263  * @note Not implemented yet.
 264 **/
 265 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 266         return &cl->remote_stats;
 267 }
 268
 269 const char *linphone_call_log_get_call_id(const LinphoneCallLog *cl){
 270         return cl->call_id;
 271 }
 272
 273 /**
 274  * Assign a user pointer to the call log.
 275 **/
 276 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 277         cl->user_pointer=up;
 278 }
 279
 280 /**
 281  * Returns the user pointer associated with the call log.
 282 **/
 283 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 284         return cl->user_pointer;
 285 }
 286
 287
 288
 289 /**
 290  * Associate a persistent reference key to the call log.
 291  *
 292  * The reference key can be for example an id to an external database.
 293  * It is stored in the config file, thus can survive to process exits/restarts.
 294  *
 295 **/
 296 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 297         if (cl->refkey!=NULL){
 298                 ms_free(cl->refkey);
 299                 cl->refkey=NULL;
 300         }
 301         if (refkey) cl->refkey=ms_strdup(refkey);
 302 }
 303
 304 /**
 305  * Get the persistent reference key associated to the call log.
 306  *
 307  * The reference key can be for example an id to an external database.
 308  * It is stored in the config file, thus can survive to process exits/restarts.
 309  *
 310 **/
 311 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 312         return cl->refkey;
 313 }
 314
 315 /**
 316  * Returns origin (ie from) address of the call.
 317 **/
 318 LinphoneAddress *linphone_call_log_get_from(LinphoneCallLog *cl){
 319         return cl->from;
 320 }
 321
 322 /**
 323  * Returns destination address (ie to) of the call.
 324 **/
 325 LinphoneAddress *linphone_call_log_get_to(LinphoneCallLog *cl){
 326         return cl->to;
 327 }
 328
 329 /**
 330  * Returns remote address (that is from or to depending on call direction).
 331 **/
 332 LinphoneAddress *linphone_call_log_get_remote_address(LinphoneCallLog *cl){
 333         return (cl->dir == LinphoneCallIncoming) ? cl->from : cl->to;
 334 }
 335
 336 /**
 337  * Returns the direction of the call.
 338 **/
 339 LinphoneCallDir linphone_call_log_get_dir(LinphoneCallLog *cl){
 340         return cl->dir;
 341 }
 342
 343 /**
 344  * Returns the status of the call.
 345 **/
 346 LinphoneCallStatus linphone_call_log_get_status(LinphoneCallLog *cl){
 347         return cl->status;
 348 }
 349
 350 /**
 351  * Returns the start date of the call, expressed as a POSIX time_t.
 352 **/
 353 time_t linphone_call_log_get_start_date(LinphoneCallLog *cl){
 354         return cl->start_date_time;
 355 }
 356
 357 /**
 358  * Returns duration of the call.
 359 **/
 360 int linphone_call_log_get_duration(LinphoneCallLog *cl){
 361         return cl->duration;
 362 }
 363
 364 /**
 365  * Returns overall quality indication of the call.
 366 **/
 367 float linphone_call_log_get_quality(LinphoneCallLog *cl){
 368         return cl->quality;
 369 }
 370 /**
 371  * return true if video was enabled at the end of the call
 372  */
 373 LinphoneCallStatus linphone_call_log_video_enabled(LinphoneCallLog *cl) {
 374         return cl->video_enabled;
 375 }
 376 /** @} */
 377
 378 void linphone_call_log_destroy(LinphoneCallLog *cl){
 379         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 380         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 381         if (cl->refkey!=NULL) ms_free(cl->refkey);
 382         if (cl->call_id) ms_free(cl->call_id);
 383         ms_free(cl);
 384 }
 385
 386 /**
 387  * Returns TRUE if the LinphoneCall asked to autoanswer
 388  *
 389 **/
 390 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 391         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 392         if(call)
 393                 return sal_call_autoanswer_asked(call->op);
 394         else
 395                 return FALSE;
 396 }
 397
 398 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 399         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 400         if (call)  return linphone_call_get_duration(call);
 401         return -1;
 402 }
 403
 404 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 405         LinphoneCall *call=linphone_core_get_current_call(lc);
 406         if (call==NULL) return NULL;
 407         return linphone_call_get_remote_address(call);
 408 }
 409
 410 void linphone_core_set_log_handler(OrtpLogFunc logfunc) {
 411         ortp_set_log_handler(logfunc);
 412 }
 413
 414 void linphone_core_set_log_file(FILE *file) {
 415         if (file == NULL) file = stdout;
 416         ortp_set_log_file(file);
 417 }
 418
 419 void linphone_core_set_log_level(OrtpLogLevel loglevel) {
 420         ortp_set_log_level_mask(loglevel);
 421         if (loglevel == 0) {
 422                 sal_disable_logs();
 423         } else {
 424                 sal_enable_logs();
 425         }
 426 }
 427
 428 /**
 429  * Enable logs in supplied FILE*.
 430  *
 431  * @ingroup misc
 432  * @deprecated Use #linphone_core_set_log_file and #linphone_core_set_log_level instead.
 433  *
 434  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 435  *
 436 **/
 437 void linphone_core_enable_logs(FILE *file){
 438         if (file==NULL) file=stdout;
 439         ortp_set_log_file(file);
 440         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 441 }
 442
 443 /**
 444  * Enable logs through the user's supplied log callback.
 445  *
 446  * @ingroup misc
 447  * @deprecated Use #linphone_core_set_log_handler and #linphone_core_set_log_level instead.
 448  *
 449  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 450  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 451  *
 452 **/
 453 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 454         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 455         ortp_set_log_handler(logfunc);
 456 }
 457
 458 /**
 459  * Entirely disable logging.
 460  *
 461  * @ingroup misc
 462  * @deprecated Use #linphone_core_set_log_level instead.
 463 **/
 464 void linphone_core_disable_logs(){
 465         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 466 }
 467
 468
 469 static void net_config_read (LinphoneCore *lc)
 470 {
 471         int tmp;
 472         const char *tmpstr;
 473         LpConfig *config=lc->config;
 474
 475         lc->net_conf.nat_address_ip = NULL;
 476         tmp=lp_config_get_int(config,"net","download_bw",0);
 477         linphone_core_set_download_bandwidth(lc,tmp);
 478         tmp=lp_config_get_int(config,"net","upload_bw",0);
 479         linphone_core_set_upload_bandwidth(lc,tmp);
 480         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 481         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 482         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 483         linphone_core_set_nat_address(lc,tmpstr);
 484         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 485         linphone_core_set_firewall_policy(lc,tmp);
 486         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 487         lc->net_conf.nat_sdp_only=tmp;
 488         tmp=lp_config_get_int(lc->config,"net","mtu",1300);
 489         linphone_core_set_mtu(lc,tmp);
 490         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 491         linphone_core_set_download_ptime(lc,tmp);
 492
 493 }
 494
 495 static void build_sound_devices_table(LinphoneCore *lc){
 496         const char **devices;
 497         const char **old;
 498         int ndev;
 499         int i;
 500         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 501         ndev=ms_list_size(elem);
 502         devices=ms_malloc((ndev+1)*sizeof(const char *));
 503         for (i=0;elem!=NULL;elem=elem->next,i++){
 504                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 505         }
 506         devices[ndev]=NULL;
 507         old=lc->sound_conf.cards;
 508         lc->sound_conf.cards=devices;
 509         if (old!=NULL) ms_free(old);
 510 }
 511
 512 static void sound_config_read(LinphoneCore *lc)
 513 {
 514         int tmp;
 515         const char *tmpbuf;
 516         const char *devid;
 517 #ifdef __linux
 518         /*alsadev let the user use custom alsa device within linphone*/
 519         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 520         if (devid){
 521                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 522                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 523         }
 524         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 525         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 526 #endif
 527         /* retrieve all sound devices */
 528         build_sound_devices_table(lc);
 529
 530         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 531         linphone_core_set_playback_device(lc,devid);
 532
 533         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 534         linphone_core_set_ringer_device(lc,devid);
 535
 536         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 537         linphone_core_set_capture_device(lc,devid);
 538
 539 /*
 540         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 541         linphone_core_set_play_level(lc,tmp);
 542         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 543         linphone_core_set_ring_level(lc,tmp);
 544         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 545         linphone_core_set_rec_level(lc,tmp);
 546         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 547         linphone_core_set_sound_source(lc,tmpbuf[0]);
 548 */
 549
 550         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 551         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 552         if (ortp_file_exist(tmpbuf)==-1) {
 553                 ms_warning("%s does not exist",tmpbuf);
 554                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 555         }
 556         if (strstr(tmpbuf,".wav")==NULL){
 557                 /* it currently uses old sound files, so replace them */
 558                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 559         }
 560         linphone_core_set_ring(lc,tmpbuf);
 561
 562         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 563         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 564         if (ortp_file_exist(tmpbuf)==-1){
 565                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 566         }
 567         if (strstr(tmpbuf,".wav")==NULL){
 568                 /* it currently uses old sound files, so replace them */
 569                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 570         }
 571         linphone_core_set_ringback(lc,tmpbuf);
 572
 573         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 574         check_sound_device(lc);
 575         lc->sound_conf.latency=0;
 576 #ifndef __ios
 577         tmp=TRUE;
 578 #else
 579         tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 580 #endif
 581         tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 582         linphone_core_enable_echo_cancellation(lc,tmp);
 583         linphone_core_enable_echo_limiter(lc,
 584                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 585         linphone_core_enable_agc(lc,
 586                 lp_config_get_int(lc->config,"sound","agc",0));
 587
 588         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 589         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 590
 591         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 592
 593         /*just parse requested stream feature once at start to print out eventual errors*/
 594         linphone_core_get_audio_features(lc);
 595 }
 596
 597 static void sip_config_read(LinphoneCore *lc)
 598 {
 599         char *contact;
 600         const char *tmpstr;
 601         LCSipTransports tr;
 602         int i,tmp;
 603         int ipv6;
 604         int random_port;
 605
 606         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 607         linphone_core_set_use_info_for_dtmf(lc,tmp);
 608
 609         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 610                 sal_use_session_timers(lc->sal,200);
 611         }
 612
 613         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 614         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 615         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 616         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 617
 618         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 619         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 620
 621         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 622         if (ipv6==-1){
 623                 ipv6=0;
 624         }
 625         linphone_core_enable_ipv6(lc,ipv6);
 626         memset(&tr,0,sizeof(tr));
 627
 628         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 629         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 630         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 631
 632         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 633                 random_port=(0xDFFF&random())+1024;
 634         else random_port=0;
 635
 636         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 637                 tr.udp_port=5060;
 638         }
 639
 640         if (tr.udp_port>0 && random_port){
 641                 tr.udp_port=random_port;
 642                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 643         }else if (tr.tcp_port>0 && random_port){
 644                 tr.tcp_port=random_port;
 645                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 646         }else if (tr.tls_port>0 && random_port){
 647                 tr.tls_port=random_port;
 648                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 649         }
 650
 651 #ifdef __linux
 652         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 653 #else
 654         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 655 #endif
 656         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 657         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
 658         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 659         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 660         /*start listening on ports*/
 661         linphone_core_set_sip_transports(lc,&tr);
 662
 663         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 664         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 665                 const char *hostname=NULL;
 666                 const char *username=NULL;
 667 #ifdef HAVE_GETENV
 668                 hostname=getenv("HOST");
 669                 username=getenv("USER");
 670                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 671 #endif /*HAVE_GETENV*/
 672                 if (hostname==NULL)
 673                         hostname="unknown-host";
 674                 if (username==NULL){
 675                         username="toto";
 676                 }
 677                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 678                 linphone_core_set_primary_contact(lc,contact);
 679                 ms_free(contact);
 680         }
 681
 682         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 683         linphone_core_set_guess_hostname(lc,tmp);
 684
 685
 686         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 687         linphone_core_set_inc_timeout(lc,tmp);
 688
 689         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 690         linphone_core_set_in_call_timeout(lc,tmp);
 691
 692         tmp=lp_config_get_int(lc->config,"sip","delayed_timeout",4);
 693         linphone_core_set_delayed_timeout(lc,tmp);
 694
 695         /* get proxies config */
 696         for(i=0;; i++){
 697                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 698                 if (cfg!=NULL){
 699                         linphone_core_add_proxy_config(lc,cfg);
 700                 }else{
 701                         break;
 702                 }
 703         }
 704         /* get the default proxy */
 705         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 706         linphone_core_set_default_proxy_index(lc,tmp);
 707
 708         /* read authentication information */
 709         for(i=0;; i++){
 710                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 711                 if (ai!=NULL){
 712                         linphone_core_add_auth_info(lc,ai);
 713                         linphone_auth_info_destroy(ai);
 714                 }else{
 715                         break;
 716                 }
 717         }
 718         /*this is to filter out unsupported encryption schemes*/
 719         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 720
 721         /*for tuning or test*/
 722         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 723         lc->sip_conf.register_only_when_network_is_up=
 724                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 725         lc->sip_conf.register_only_when_upnp_is_ok=
 726                 lp_config_get_int(lc->config,"sip","register_only_when_upnp_is_ok",1);
 727         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 728         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 729         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 730         lc->sip_conf.tcp_tls_keepalive=lp_config_get_int(lc->config,"sip","tcp_tls_keepalive",0);
 731         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
 732         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 733         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 734         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 735 }
 736
 737 static void rtp_config_read(LinphoneCore *lc)
 738 {
 739         int min_port, max_port;
 740         int jitt_comp;
 741         int nortp_timeout;
 742         bool_t rtp_no_xmit_on_audio_mute;
 743         bool_t adaptive_jitt_comp_enabled;
 744
 745         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 746                 if (min_port <= 0) min_port = 1;
 747                 if (max_port > 65535) max_port = 65535;
 748                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 749         } else {
 750                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 751                 linphone_core_set_audio_port(lc, min_port);
 752         }
 753
 754         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 755                 if (min_port <= 0) min_port = 1;
 756                 if (max_port > 65535) max_port = 65535;
 757                 linphone_core_set_video_port_range(lc, min_port, max_port);
 758         } else {
 759                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 760                 linphone_core_set_video_port(lc, min_port);
 761         }
 762
 763         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 764         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 765         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 766         if (jitt_comp==0) jitt_comp=60;
 767         linphone_core_set_video_jittcomp(lc,jitt_comp);
 768         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 769         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 770         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 771         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 772         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 773         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 774         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 775         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 776         lc->rtp_conf.disable_upnp = lp_config_get_int(lc->config, "rtp", "disable_upnp", FALSE);
 777 }
 778
 779 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 780         PayloadType *candidate=NULL;
 781         int i;
 782         PayloadType *it;
 783         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 784                 it=rtp_profile_get_payload(prof,i);
 785                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 786                         && (clock_rate==it->clock_rate || clock_rate<=0)
 787                         && (channels==it->channels || channels<=0) ){
 788                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 789                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 790                                 /*exact match*/
 791                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 792                                 return it;
 793                         }else {
 794                                 if (candidate){
 795                                         if (it->recv_fmtp==NULL) candidate=it;
 796                                 }else candidate=it;
 797                         }
 798                 }
 799         }
 800         if (candidate && recv_fmtp){
 801                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 802         }
 803         return candidate;
 804 }
 805
 806 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 807         char codeckey[50];
 808         const char *mime,*fmtp;
 809         int rate,channels,enabled;
 810         PayloadType *pt;
 811         LpConfig *config=lc->config;
 812
 813         *ret=NULL;
 814         snprintf(codeckey,50,"%s_%i",type,index);
 815         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 816         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 817
 818         rate=lp_config_get_int(config,codeckey,"rate",8000);
 819         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 820         channels=lp_config_get_int(config,codeckey,"channels",0);
 821         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 822         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 823         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 824         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 825         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 826                         mime,rate,fmtp ? fmtp : "");
 827         *ret=pt;
 828         return TRUE;
 829 }
 830
 831 #define RANK_END 10000
 832
 833 typedef struct codec_desc{
 834         const char *name;
 835         int rate;
 836 }codec_desc_t;
 837
 838 static codec_desc_t codec_pref_order[]={
 839         {"SILK", 16000},
 840         {"speex", 16000},
 841         {"speex", 8000},
 842         {"pcmu",8000},
 843         {"pcma",8000},
 844         {"VP8",90000},
 845         {"H264",90000},
 846         {"MP4V-ES",90000},
 847         {NULL,0}
 848 };
 849
 850 static int find_codec_rank(const char *mime, int clock_rate){
 851         int i;
 852         for(i=0;codec_pref_order[i].name!=NULL;++i){
 853                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 854                         return i;
 855         }
 856         return RANK_END;
 857 }
 858
 859 static int codec_compare(const PayloadType *a, const PayloadType *b){
 860         int ra,rb;
 861         ra=find_codec_rank(a->mime_type,a->clock_rate);
 862         rb=find_codec_rank(b->mime_type,b->clock_rate);
 863         if (ra>rb) return 1;
 864         if (ra<rb) return -1;
 865         return 0;
 866 }
 867
 868 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 869         int i;
 870         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 871                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 872                 if (pt){
 873                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 874                                 pt=NULL;
 875                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 876                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 877                                 pt=NULL;
 878                         }
 879                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 880                                 if (ms_list_find(l,pt)==NULL){
 881                                         /*unranked codecs are disabled by default*/
 882                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 883                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 884                                         }
 885                                         ms_message("Adding new codec %s/%i with fmtp %s",
 886                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 887                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 888                                 }
 889                         }
 890                 }
 891         }
 892         return l;
 893 }
 894
 895 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 896         MSList *elem;
 897         for (elem=l;elem!=NULL;elem=elem->next){
 898                 PayloadType *ept=(PayloadType*)elem->data;
 899                 if (pt==ept)
 900                         return l;
 901         }
 902         l=ms_list_append(l,pt);
 903         return l;
 904 }
 905
 906 static void codecs_config_read(LinphoneCore *lc)
 907 {
 908         int i;
 909         PayloadType *pt;
 910         MSList *audio_codecs=NULL;
 911         MSList *video_codecs=NULL;
 912         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 913                 if (pt){
 914                         if (!ms_filter_codec_supported(pt->mime_type)){
 915                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 916                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 917                 }
 918         }
 919         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 920         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 921                 if (pt){
 922                         if (!ms_filter_codec_supported(pt->mime_type)){
 923                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 924                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 925                 }
 926         }
 927         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 928         linphone_core_set_audio_codecs(lc,audio_codecs);
 929         linphone_core_set_video_codecs(lc,video_codecs);
 930         linphone_core_update_allocated_audio_bandwidth(lc);
 931 }
 932
 933 static void build_video_devices_table(LinphoneCore *lc){
 934         const MSList *elem;
 935         int i;
 936         int ndev;
 937         const char **devices;
 938         if (lc->video_conf.cams)
 939                 ms_free(lc->video_conf.cams);
 940         /* retrieve all video devices */
 941         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 942         ndev=ms_list_size(elem);
 943         devices=ms_malloc((ndev+1)*sizeof(const char *));
 944         for (i=0;elem!=NULL;elem=elem->next,i++){
 945                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 946         }
 947         devices[ndev]=NULL;
 948         lc->video_conf.cams=devices;
 949 }
 950
 951 static void video_config_read(LinphoneCore *lc){
 952 #ifdef VIDEO_ENABLED
 953         int capture, display, self_view;
 954 #endif
 955         const char *str;
 956 #ifdef VIDEO_ENABLED
 957         LinphoneVideoPolicy vpol;
 958         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 959 #endif
 960         build_video_devices_table(lc);
 961
 962         str=lp_config_get_string(lc->config,"video","device",NULL);
 963         if (str && str[0]==0) str=NULL;
 964         linphone_core_set_video_device(lc,str);
 965
 966         linphone_core_set_preferred_video_size_by_name(lc,
 967                 lp_config_get_string(lc->config,"video","size","cif"));
 968
 969 #ifdef VIDEO_ENABLED
 970         capture=lp_config_get_int(lc->config,"video","capture",1);
 971         display=lp_config_get_int(lc->config,"video","display",1);
 972         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 973         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 974         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 975         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 976         if(lc->video_conf.displaytype)
 977                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 978
 979         linphone_core_enable_video(lc,capture,display);
 980         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 981         linphone_core_enable_self_view(lc,self_view);
 982         linphone_core_set_video_policy(lc,&vpol);
 983 #endif
 984 }
 985
 986 static void ui_config_read(LinphoneCore *lc)
 987 {
 988         LinphoneFriend *lf;
 989         int i;
 990         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 991                 linphone_core_add_friend(lc,lf);
 992         }
 993         call_logs_read_from_config_file(lc);
 994 }
 995
 996 /*
 997 static void autoreplier_config_init(LinphoneCore *lc)
 998 {
 999         autoreplier_config_t *config=&lc->autoreplier_conf;
1000         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
1001         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
1002         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
1003         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
1004         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
1005         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
1006 }
1007 */
1008
1009 bool_t linphone_core_tunnel_available(void){
1010 #ifdef TUNNEL_ENABLED
1011         return TRUE;
1012 #else
1013         return FALSE;
1014 #endif
1015 }
1016
1017 /**
1018  * Enable adaptive rate control.
1019  *
1020  * @ingroup media_parameters
1021  *
1022  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
1023  * control the output bitrate of the audio and video encoders, so that we can adapt to the network conditions and
1024  * 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.
1025  * Adaptive rate control feature is enabled by default.
1026 **/
1027 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
1028         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
1029 }
1030
1031 /**
1032  * Returns whether adaptive rate control is enabled.
1033  *
1034  * @ingroup media_parameters
1035  *
1036  * See linphone_core_enable_adaptive_rate_control().
1037 **/
1038 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
1039         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
1040 }
1041
1042 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
1043         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
1044 }
1045
1046 /**
1047  * Sets maximum available download bandwidth
1048  *
1049  * @ingroup media_parameters
1050  *
1051  * This is IP bandwidth, in kbit/s.
1052  * This information is used signaled to other parties during
1053  * calls (within SDP messages) so that the remote end can have
1054  * sufficient knowledge to properly configure its audio & video
1055  * codec output bitrate to not overflow available bandwidth.
1056  *
1057  * @param lc the LinphoneCore object
1058  * @param bw the bandwidth in kbits/s, 0 for infinite
1059  */
1060 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
1061         lc->net_conf.download_bw=bw;
1062         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
1063 }
1064
1065 /**
1066  * Sets maximum available upload bandwidth
1067  *
1068  * @ingroup media_parameters
1069  *
1070  * This is IP bandwidth, in kbit/s.
1071  * This information is used by liblinphone together with remote
1072  * side available bandwidth signaled in SDP messages to properly
1073  * configure audio & video codec's output bitrate.
1074  *
1075  * @param lc the LinphoneCore object
1076  * @param bw the bandwidth in kbits/s, 0 for infinite
1077  */
1078 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
1079         lc->net_conf.upload_bw=bw;
1080         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
1081 }
1082
1083 /**
1084  * Retrieve the maximum available download bandwidth.
1085  *
1086  * @ingroup media_parameters
1087  *
1088  * This value was set by linphone_core_set_download_bandwidth().
1089  *
1090 **/
1091 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
1092         return lc->net_conf.download_bw;
1093 }
1094
1095 /**
1096  * Retrieve the maximum available upload bandwidth.
1097  *
1098  * @ingroup media_parameters
1099  *
1100  * This value was set by linphone_core_set_upload_bandwidth().
1101  *
1102 **/
1103 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1104         return lc->net_conf.upload_bw;
1105 }
1106 /**
1107  * Set audio packetization time linphone expects to receive from peer.
1108  * A value of zero means that ptime is not specified.
1109  * @ingroup media_parameters
1110  */
1111 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1112         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1113 }
1114
1115 /**
1116  * Get audio packetization time linphone expects to receive from peer.
1117  * A value of zero means that ptime is not specified.
1118  * @ingroup media_parameters
1119  */
1120 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1121         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1122 }
1123
1124 /**
1125  * Set audio packetization time linphone will send (in absence of requirement from peer)
1126  * A value of 0 stands for the current codec default packetization time.
1127  *
1128  * @ingroup media_parameters
1129 **/
1130 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1131         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1132 }
1133
1134 /**
1135  * Set audio packetization time linphone will send (in absence of requirement from peer)
1136  * A value of 0 stands for the current codec default packetization time.
1137  *
1138  *
1139  * @ingroup media_parameters
1140 **/
1141 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1142         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1143 }
1144
1145
1146
1147 /**
1148  * Returns liblinphone's version as a string.
1149  *
1150  * @ingroup misc
1151  *
1152 **/
1153 const char * linphone_core_get_version(void){
1154         return liblinphone_version;
1155 }
1156
1157 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1158         PayloadType *pt;
1159         pt=payload_type_clone(const_pt);
1160         if (number==-1){
1161                 /*look for a free number */
1162                 MSList *elem;
1163                 int i;
1164                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1165                         bool_t already_assigned=FALSE;
1166                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1167                                 PayloadType *it=(PayloadType*)elem->data;
1168                                 if (payload_type_get_number(it)==i){
1169                                         already_assigned=TRUE;
1170                                         break;
1171                                 }
1172                         }
1173                         if (!already_assigned){
1174                                 number=i;
1175                                 lc->dyn_pt=i+1;
1176                                 break;
1177                         }
1178                 }
1179                 if (number==-1){
1180                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1181                 }
1182         }
1183         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1184         payload_type_set_number(pt,number);
1185         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1186         rtp_profile_set_payload(lc->default_profile,number,pt);
1187         lc->payload_types=ms_list_append(lc->payload_types,pt);
1188 }
1189
1190 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1191         RtpProfile *prof=&av_profile;
1192         int i;
1193         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1194                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1195                 if (pt){
1196                         if (payload_type_get_number(pt)!=i){
1197                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1198                         }
1199                 }
1200         }
1201 }
1202
1203 static void linphone_core_free_payload_types(LinphoneCore *lc){
1204         rtp_profile_clear_all(lc->default_profile);
1205         rtp_profile_destroy(lc->default_profile);
1206         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1207         ms_list_free(lc->payload_types);
1208         lc->payload_types=NULL;
1209 }
1210
1211 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1212         lc->state=gstate;
1213         if (lc->vtable.global_state_changed){
1214                 lc->vtable.global_state_changed(lc,gstate,message);
1215         }
1216 }
1217 static void misc_config_read (LinphoneCore *lc) {
1218         LpConfig *config=lc->config;
1219     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1220     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1221         linphone_core_set_log_level((OrtpLogLevel)lp_config_get_int(config,"misc","log_level",0));
1222 }
1223
1224
1225
1226
1227 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1228     const char *factory_config_path, void * userdata)
1229 {
1230         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1231         memset (lc, 0, sizeof (LinphoneCore));
1232         lc->data=userdata;
1233         lc->ringstream_autorelease=TRUE;
1234
1235         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1236
1237         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1238         ortp_init();
1239         lc->dyn_pt=96;
1240         lc->default_profile=rtp_profile_new("default profile");
1241         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1242         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1243         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1244         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1245         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1246         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1247         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1248         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1249
1250 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1251         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1252          - to workaround potential packet losses
1253          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1254          */
1255         _linphone_core_configure_resolver();
1256 #endif
1257
1258 #ifdef ENABLE_NONSTANDARD_GSM
1259         {
1260                 PayloadType *pt;
1261                 pt=payload_type_clone(&payload_type_gsm);
1262                 pt->clock_rate=11025;
1263                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1264                 pt->clock_rate=22050;
1265                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1266                 payload_type_destroy(pt);
1267         }
1268 #endif
1269
1270 #ifdef VIDEO_ENABLED
1271         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1272         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1273         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1274         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1275         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1276         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1277         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1278         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1279         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1280 #endif
1281
1282         /*add all payload type for which we don't care about the number */
1283         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1284         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1285         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1286         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1287         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1288         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1289         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1290         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1291         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1292         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1293         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1294         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1295         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1296         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1297         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1298         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1299         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1300         linphone_core_handle_static_payloads(lc);
1301
1302         ms_init();
1303         /* create a mediastreamer2 event queue and set it as global */
1304         /* This allows to run event's callback in linphone_core_iterate() */
1305         lc->msevq=ms_event_queue_new();
1306         ms_set_global_event_queue(lc->msevq);
1307
1308         lc->config=lp_config_new(config_path);
1309         if (factory_config_path)
1310                 lp_config_read_file(lc->config,factory_config_path);
1311
1312         lc->sal=sal_init();
1313         sal_set_user_pointer(lc->sal,lc);
1314         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1315
1316         lc->network_last_check = 0;
1317         lc->network_last_status = FALSE;
1318
1319         sip_setup_register_all();
1320         sound_config_read(lc);
1321         net_config_read(lc);
1322         rtp_config_read(lc);
1323         codecs_config_read(lc);
1324         sip_config_read(lc); /* this will start eXosip*/
1325         video_config_read(lc);
1326         //autoreplier_config_init(&lc->autoreplier_conf);
1327         lc->presence_mode=LinphoneStatusOnline;
1328         misc_config_read(lc);
1329         ui_config_read(lc);
1330 #ifdef TUNNEL_ENABLED
1331         lc->tunnel=linphone_core_tunnel_new(lc);
1332         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1333 #endif
1334         if (lc->vtable.display_status)
1335                 lc->vtable.display_status(lc,_("Ready"));
1336         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1337         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1338 }
1339
1340 /**
1341  * Instanciates a LinphoneCore object.
1342  * @ingroup initializing
1343  *
1344  * The LinphoneCore object is the primary handle for doing all phone actions.
1345  * It should be unique within your application.
1346  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1347  * @param config_path a path to a config file. If it does not exists it will be created.
1348  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1349  *             become persistent over the life of the LinphoneCore object.
1350  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1351  * @param factory_config_path a path to a read-only config file that can be used to
1352  *        to store hard-coded preference such as proxy settings or internal preferences.
1353  *        The settings in this factory file always override the one in the normal config file.
1354  *        It is OPTIONAL, use NULL if unneeded.
1355  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1356  *        callbacks) using linphone_core_get_user_data().
1357  *
1358 **/
1359 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1360                                                 const char *config_path, const char *factory_config_path, void * userdata)
1361 {
1362         LinphoneCore *core=ms_new(LinphoneCore,1);
1363         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1364         return core;
1365 }
1366
1367 /**
1368  * Returns the list of available audio codecs.
1369  *
1370  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1371  * structure holding the codec information.
1372  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1373  * (such as the order of codecs).
1374  * @ingroup media_parameters
1375 **/
1376 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1377 {
1378         return lc->codecs_conf.audio_codecs;
1379 }
1380
1381 /**
1382  * Returns the list of available video codecs.
1383  *
1384  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1385  * structure holding the codec information.
1386  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1387  * (such as the order of codecs).
1388  * @ingroup media_parameters
1389 **/
1390 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1391 {
1392         return lc->codecs_conf.video_codecs;
1393 }
1394
1395 /**
1396  * Sets the local "from" identity.
1397  *
1398  * @ingroup proxies
1399  * This data is used in absence of any proxy configuration or when no
1400  * default proxy configuration is set. See LinphoneProxyConfig
1401 **/
1402 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1403 {
1404         LinphoneAddress *ctt;
1405
1406         if ((ctt=linphone_address_new(contact))==0) {
1407                 ms_error("Bad contact url: %s",contact);
1408                 return -1;
1409         }
1410         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1411         lc->sip_conf.contact=ms_strdup(contact);
1412         if (lc->sip_conf.guessed_contact!=NULL){
1413                 ms_free(lc->sip_conf.guessed_contact);
1414                 lc->sip_conf.guessed_contact=NULL;
1415         }
1416         linphone_address_destroy(ctt);
1417         return 0;
1418 }
1419
1420
1421 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1422 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1423         const char *ip;
1424         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1425             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1426                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1427                 return;
1428         }
1429 #ifdef BUILD_UPNP
1430         else if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
1431                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
1432                 ip = linphone_upnp_context_get_external_ipaddress(lc->upnp);
1433                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1434                 return;
1435         }
1436 #endif //BUILD_UPNP
1437         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1438                 return;
1439         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1440         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1441 }
1442
1443 static void update_primary_contact(LinphoneCore *lc){
1444         char *guessed=NULL;
1445         char tmp[LINPHONE_IPADDR_SIZE];
1446
1447         LinphoneAddress *url;
1448         if (lc->sip_conf.guessed_contact!=NULL){
1449                 ms_free(lc->sip_conf.guessed_contact);
1450                 lc->sip_conf.guessed_contact=NULL;
1451         }
1452         url=linphone_address_new(lc->sip_conf.contact);
1453         if (!url){
1454                 ms_error("Could not parse identity contact !");
1455                 url=linphone_address_new("sip:unknown@unkwownhost");
1456         }
1457         linphone_core_get_local_ip(lc, NULL, tmp);
1458         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1459                 ms_warning("Local loopback network only !");
1460                 lc->sip_conf.loopback_only=TRUE;
1461         }else lc->sip_conf.loopback_only=FALSE;
1462         linphone_address_set_domain(url,tmp);
1463         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1464         guessed=linphone_address_as_string(url);
1465         lc->sip_conf.guessed_contact=guessed;
1466         linphone_address_destroy(url);
1467 }
1468
1469 /**
1470  * Returns the default identity when no proxy configuration is used.
1471  *
1472  * @ingroup proxies
1473 **/
1474 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1475         char *identity;
1476
1477         if (lc->sip_conf.guess_hostname){
1478                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1479                         update_primary_contact(lc);
1480                 }
1481                 identity=lc->sip_conf.guessed_contact;
1482         }else{
1483                 identity=lc->sip_conf.contact;
1484         }
1485         return identity;
1486 }
1487
1488 /**
1489  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1490  *
1491  * @ingroup proxies
1492 **/
1493 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1494         lc->sip_conf.guess_hostname=val;
1495 }
1496
1497 /**
1498  * Returns TRUE if hostname part of primary contact is guessed automatically.
1499  *
1500  * @ingroup proxies
1501 **/
1502 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1503         return lc->sip_conf.guess_hostname;
1504 }
1505
1506 /**
1507  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1508  * instead of const char*
1509  *
1510  * @ingroup proxies
1511 **/
1512 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1513         return linphone_address_new(linphone_core_get_primary_contact(lc));
1514 }
1515
1516 /**
1517  * Sets the list of audio codecs.
1518  *
1519  * @ingroup media_parameters
1520  * The list is taken by the LinphoneCore thus the application should not free it.
1521  * This list is made of struct PayloadType describing the codec parameters.
1522 **/
1523 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1524 {
1525         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1526         lc->codecs_conf.audio_codecs=codecs;
1527         _linphone_core_codec_config_write(lc);
1528         return 0;
1529 }
1530
1531 /**
1532  * Sets the list of video codecs.
1533  *
1534  * @ingroup media_parameters
1535  * The list is taken by the LinphoneCore thus the application should not free it.
1536  * This list is made of struct PayloadType describing the codec parameters.
1537 **/
1538 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1539 {
1540         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1541         lc->codecs_conf.video_codecs=codecs;
1542         _linphone_core_codec_config_write(lc);
1543         return 0;
1544 }
1545
1546 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1547 {
1548         return lc->friends;
1549 }
1550
1551 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1552 {
1553         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1554 }
1555
1556 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1557 {
1558         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1559 }
1560
1561 /**
1562  * Returns the nominal audio jitter buffer size in milliseconds.
1563  *
1564  * @ingroup media_parameters
1565 **/
1566 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1567 {
1568         return lc->rtp_conf.audio_jitt_comp;
1569 }
1570
1571 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1572 {
1573         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1574 }
1575
1576 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1577 {
1578         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1579 }
1580
1581 /**
1582  * Returns the nominal video jitter buffer size in milliseconds.
1583  *
1584  * @ingroup media_parameters
1585 **/
1586 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1587 {
1588         return lc->rtp_conf.video_jitt_comp;
1589 }
1590
1591 /**
1592  * Returns the UDP port used for audio streaming.
1593  *
1594  * @ingroup network_parameters
1595 **/
1596 int linphone_core_get_audio_port(const LinphoneCore *lc)
1597 {
1598         return lc->rtp_conf.audio_rtp_min_port;
1599 }
1600
1601 /**
1602  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1603  *
1604  * @ingroup network_parameters
1605  */
1606 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1607 {
1608         *min_port = lc->rtp_conf.audio_rtp_min_port;
1609         *max_port = lc->rtp_conf.audio_rtp_max_port;
1610 }
1611
1612 /**
1613  * Returns the UDP port used for video streaming.
1614  *
1615  * @ingroup network_parameters
1616 **/
1617 int linphone_core_get_video_port(const LinphoneCore *lc){
1618         return lc->rtp_conf.video_rtp_min_port;
1619 }
1620
1621 /**
1622  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1623  *
1624  * @ingroup network_parameters
1625  */
1626 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1627 {
1628         *min_port = lc->rtp_conf.video_rtp_min_port;
1629         *max_port = lc->rtp_conf.video_rtp_max_port;
1630 }
1631
1632
1633 /**
1634  * Returns the value in seconds of the no-rtp timeout.
1635  *
1636  * @ingroup media_parameters
1637  * When no RTP or RTCP packets have been received for a while
1638  * LinphoneCore will consider the call is broken (remote end crashed or
1639  * disconnected from the network), and thus will terminate the call.
1640  * The no-rtp timeout is the duration above which the call is considered broken.
1641 **/
1642 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1643         return lc->rtp_conf.nortp_timeout;
1644 }
1645
1646 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1647         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1648 }
1649
1650 /**
1651  * Sets the nominal audio jitter buffer size in milliseconds.
1652  *
1653  * @ingroup media_parameters
1654 **/
1655 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1656 {
1657         lc->rtp_conf.audio_jitt_comp=value;
1658 }
1659
1660 /**
1661  * Sets the nominal video jitter buffer size in milliseconds.
1662  *
1663  * @ingroup media_parameters
1664 **/
1665 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1666 {
1667         lc->rtp_conf.video_jitt_comp=value;
1668 }
1669
1670 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1671         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1672 }
1673
1674 /**
1675  * Sets the UDP port used for audio streaming.
1676  *
1677  * @ingroup network_parameters
1678 **/
1679 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1680 {
1681         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1682 }
1683
1684 /**
1685  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1686  * @ingroup media_parameters
1687  */
1688 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1689 {
1690         lc->rtp_conf.audio_rtp_min_port=min_port;
1691         lc->rtp_conf.audio_rtp_max_port=max_port;
1692 }
1693
1694 /**
1695  * Sets the UDP port used for video streaming.
1696  *
1697  * @ingroup network_parameters
1698 **/
1699 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1700         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1701 }
1702
1703 /**
1704  * Sets the UDP port range from which to randomly select the port used for video streaming.
1705  * @ingroup media_parameters
1706  */
1707 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1708 {
1709         lc->rtp_conf.video_rtp_min_port=min_port;
1710         lc->rtp_conf.video_rtp_max_port=max_port;
1711 }
1712
1713 /**
1714  * Sets the no-rtp timeout value in seconds.
1715  *
1716  * @ingroup media_parameters
1717  * See linphone_core_get_nortp_timeout() for details.
1718 **/
1719 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1720         lc->rtp_conf.nortp_timeout=nortp_timeout;
1721 }
1722
1723 /**
1724  * Indicates whether SIP INFO is used for sending digits.
1725  *
1726  * @ingroup media_parameters
1727 **/
1728 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1729 {
1730         return lc->sip_conf.use_info;
1731 }
1732
1733 /**
1734  * Sets whether SIP INFO is to be used for sending digits.
1735  *
1736  * @ingroup media_parameters
1737 **/
1738 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1739 {
1740         lc->sip_conf.use_info=use_info;
1741 }
1742
1743 /**
1744  * Indicates whether RFC2833 is used for sending digits.
1745  *
1746  * @ingroup media_parameters
1747 **/
1748 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1749 {
1750         return lc->sip_conf.use_rfc2833;
1751 }
1752
1753 /**
1754  * Sets whether RFC2833 is to be used for sending digits.
1755  *
1756  * @ingroup media_parameters
1757 **/
1758 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1759 {
1760         lc->sip_conf.use_rfc2833=use_rfc2833;
1761 }
1762
1763 /**
1764  * Returns the UDP port used by SIP.
1765  *
1766  * Deprecated: use linphone_core_get_sip_transports() instead.
1767  * @ingroup network_parameters
1768 **/
1769 int linphone_core_get_sip_port(LinphoneCore *lc)
1770 {
1771         LCSipTransports *tr=&lc->sip_conf.transports;
1772         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1773 }
1774
1775 static char _ua_name[64]="Linphone";
1776 static char _ua_version[64]=LINPHONE_VERSION;
1777
1778 #ifdef HAVE_EXOSIP_GET_VERSION
1779 extern const char *eXosip_get_version();
1780 #endif
1781
1782 static void apply_user_agent(LinphoneCore *lc){
1783         char ua_string[256];
1784         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1785 #ifdef HAVE_EXOSIP_GET_VERSION
1786                  eXosip_get_version()
1787 #else
1788                  "unknown"
1789 #endif
1790         );
1791         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1792 }
1793
1794 /**
1795  * Sets the user agent string used in SIP messages.
1796  *
1797  * @ingroup misc
1798 **/
1799 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1800         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1801         strncpy(_ua_version,ver,sizeof(_ua_version));
1802         apply_user_agent(lc);
1803 }
1804
1805 const char *linphone_core_get_user_agent_name(void){
1806         return _ua_name;
1807 }
1808
1809 const char *linphone_core_get_user_agent_version(void){
1810         return _ua_version;
1811 }
1812
1813 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1814         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1815         ms_warning("%s",msg);
1816         if (lc->vtable.display_warning)
1817                 lc->vtable.display_warning(lc,msg);
1818         ms_free(msg);
1819 }
1820
1821 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1822         return
1823                 tr2->udp_port==tr1->udp_port &&
1824                 tr2->tcp_port==tr1->tcp_port &&
1825                 tr2->dtls_port==tr1->dtls_port &&
1826                 tr2->tls_port==tr1->tls_port;
1827 }
1828
1829 static int apply_transports(LinphoneCore *lc){
1830         Sal *sal=lc->sal;
1831         const char *anyaddr;
1832         LCSipTransports *tr=&lc->sip_conf.transports;
1833
1834         /*first of all invalidate all current registrations so that we can register again with new transports*/
1835         __linphone_core_invalidate_registers(lc);
1836
1837         if (lc->sip_conf.ipv6_enabled)
1838                 anyaddr="::0";
1839         else
1840                 anyaddr="0.0.0.0";
1841
1842         sal_unlisten_ports(sal);
1843         if (tr->udp_port>0){
1844                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1845                         transport_error(lc,"udp",tr->udp_port);
1846                         return -1;
1847                 }
1848         }
1849         if (tr->tcp_port>0){
1850                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1851                         transport_error(lc,"tcp",tr->tcp_port);
1852                 }
1853         }
1854         if (tr->tls_port>0){
1855                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1856                         transport_error(lc,"tls",tr->tls_port);
1857                 }
1858         }
1859         apply_user_agent(lc);
1860         return 0;
1861 }
1862
1863 /**
1864  * Sets the ports to be used for each of transport (UDP or TCP)
1865  *
1866  * A zero value port for a given transport means the transport
1867  * is not used.
1868  *
1869  * @ingroup network_parameters
1870 **/
1871 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1872
1873         if (transports_unchanged(tr,&lc->sip_conf.transports))
1874                 return 0;
1875         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1876
1877         if (linphone_core_ready(lc)){
1878                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1879                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1880                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1881         }
1882
1883         if (lc->sal==NULL) return 0;
1884         return apply_transports(lc);
1885 }
1886
1887 /**
1888  * Retrieves the ports used for each transport (udp, tcp).
1889  * A zero value port for a given transport means the transport
1890  * is not used.
1891  * @ingroup network_parameters
1892 **/
1893 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1894         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1895         return 0;
1896 }
1897
1898 /**
1899  * Sets the UDP port to be used by SIP.
1900  *
1901  * Deprecated: use linphone_core_set_sip_transports() instead.
1902  * @ingroup network_parameters
1903 **/
1904 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1905 {
1906         LCSipTransports tr;
1907         memset(&tr,0,sizeof(tr));
1908         tr.udp_port=port;
1909         linphone_core_set_sip_transports (lc,&tr);
1910 }
1911
1912 /**
1913  * Returns TRUE if IPv6 is enabled.
1914  *
1915  * @ingroup network_parameters
1916  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1917 **/
1918 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1919         return lc->sip_conf.ipv6_enabled;
1920 }
1921
1922 /**
1923  * Turns IPv6 support on or off.
1924  *
1925  * @ingroup network_parameters
1926  *
1927  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1928  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1929  * By default IPv6 support is off.
1930 **/
1931 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1932         if (lc->sip_conf.ipv6_enabled!=val){
1933                 lc->sip_conf.ipv6_enabled=val;
1934                 if (lc->sal){
1935                         /* we need to restart eXosip */
1936                         apply_transports(lc);
1937                 }
1938         }
1939 }
1940
1941
1942 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1943         char result[LINPHONE_IPADDR_SIZE];
1944         bool_t new_status=lc->network_last_status;
1945
1946         /* only do the network up checking every five seconds */
1947         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1948                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1949                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1950                         new_status=TRUE;
1951                 }else new_status=FALSE;
1952                 lc->network_last_check=curtime;
1953                 if (new_status!=lc->network_last_status) {
1954                         if (new_status){
1955                                 ms_message("New local ip address is %s",result);
1956                         }
1957                         set_network_reachable(lc,new_status, curtime);
1958                         lc->network_last_status=new_status;
1959                 }
1960         }
1961 }
1962
1963 static void proxy_update(LinphoneCore *lc){
1964         MSList *elem,*next;
1965         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1966         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1967                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1968                 next=elem->next;
1969                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1970                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1971                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1972                         linphone_proxy_config_destroy(cfg);
1973                 }
1974         }
1975 }
1976
1977 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1978         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1979         if (lf!=NULL){
1980                 lf->info=info;
1981                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1982                 if (lc->vtable.buddy_info_updated)
1983                         lc->vtable.buddy_info_updated(lc,lf);
1984         }else{
1985                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1986         }
1987 }
1988
1989 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1990         MSList *elem;
1991         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1992         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1993                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1994                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1995                         if (req->results!=NULL){
1996                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1997                                 ms_list_free(req->results);
1998                                 req->results=NULL;
1999                                 assign_buddy_info(lc,i);
2000                         }
2001                         sip_setup_context_buddy_lookup_free(ctx,req);
2002                         elem->data=NULL;
2003                 }
2004         }
2005         /*purge completed requests */
2006         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
2007                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
2008         }
2009 }
2010
2011 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
2012         const MSList *elem;
2013         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2014         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
2015                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
2016                 if (lf->info==NULL){
2017                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
2018                                 if (linphone_address_get_username(lf->uri)!=NULL){
2019                                         BuddyLookupRequest *req;
2020                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
2021                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
2022                                         buddy_lookup_request_set_key(req,tmp);
2023                                         buddy_lookup_request_set_max_results(req,1);
2024                                         sip_setup_context_buddy_lookup_submit(ctx,req);
2025                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
2026                                         ms_free(tmp);
2027                                 }
2028                         }
2029                 }
2030         }
2031 }
2032
2033 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
2034         LinphoneProxyConfig *cfg=NULL;
2035         linphone_core_get_default_proxy(lc,&cfg);
2036         if (cfg){
2037                 if (lc->bl_refresh){
2038                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
2039                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
2040                                 linphone_core_grab_buddy_infos(lc,cfg);
2041                                 lc->bl_refresh=FALSE;
2042                         }
2043                 }
2044                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
2045         }
2046 }
2047
2048 /**
2049  * Main loop function. It is crucial that your application call it periodically.
2050  *
2051  * @ingroup initializing
2052  * linphone_core_iterate() performs various backgrounds tasks:
2053  * - receiving of SIP messages
2054  * - handles timers and timeout
2055  * - performs registration to proxies
2056  * - authentication retries
2057  * The application MUST call this function periodically, in its main loop.
2058  * Be careful that this function must be called from the same thread as
2059  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
2060  * serialized with a mutex.
2061 **/
2062 void linphone_core_iterate(LinphoneCore *lc){
2063         MSList *calls;
2064         LinphoneCall *call;
2065         time_t curtime=time(NULL);
2066         int elapsed;
2067         bool_t one_second_elapsed=FALSE;
2068
2069         if (curtime-lc->prevtime>=1){
2070                 lc->prevtime=curtime;
2071                 one_second_elapsed=TRUE;
2072         }
2073
2074         if (lc->ecc!=NULL){
2075                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
2076                 if (ecs!=LinphoneEcCalibratorInProgress){
2077                         if (lc->ecc->cb)
2078                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
2079                         if (ecs==LinphoneEcCalibratorDone){
2080                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
2081                                 int margin=len/2;
2082
2083                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-margin,0));
2084                         } else if (ecs == LinphoneEcCalibratorFailed) {
2085                                 lp_config_set_int(lc->config, "sound", "ec_delay", -1);/*use default value from soundcard*/
2086                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
2087                                 linphone_core_enable_echo_cancellation(lc, FALSE);
2088                         }
2089                         ec_calibrator_destroy(lc->ecc);
2090                         lc->ecc=NULL;
2091                 }
2092         }
2093
2094         if (lc->preview_finished){
2095                 lc->preview_finished=0;
2096                 ring_stop(lc->ringstream);
2097                 lc->ringstream=NULL;
2098                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
2099         }
2100
2101         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
2102             && (curtime-lc->dmfs_playing_start_time)>5){
2103                 ring_stop(lc->ringstream);
2104                 lc->ringstream=NULL;
2105                 lc->dmfs_playing_start_time=0;
2106         }
2107
2108         sal_iterate(lc->sal);
2109         if (lc->msevq) ms_event_queue_pump(lc->msevq);
2110         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2111
2112         proxy_update(lc);
2113
2114         //we have to iterate for each call
2115         calls= lc->calls;
2116         while(calls!= NULL){
2117                 call = (LinphoneCall *)calls->data;
2118                 elapsed = curtime-call->start_time;
2119                  /* get immediately a reference to next one in case the one
2120                  we are going to examine is destroy and removed during
2121                  linphone_core_start_invite() */
2122                 calls=calls->next;
2123                 linphone_call_background_tasks(call,one_second_elapsed);
2124                 if (call->state==LinphoneCallOutgoingInit && (elapsed>=lc->sip_conf.delayed_timeout)){
2125                         /*start the call even if the OPTIONS reply did not arrive*/
2126                         if (call->ice_session != NULL) {
2127                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2128                                                 ,linphone_core_get_stun_server(lc));
2129                                 linphone_call_delete_ice_session(call);
2130                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2131                         }
2132 #ifdef BUILD_UPNP
2133                         if (call->upnp_session != NULL) {
2134                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call without uPnP anyway.");
2135                                 linphone_call_delete_upnp_session(call);
2136                         }
2137 #endif //BUILD_UPNP
2138                         linphone_core_start_invite(lc,call);
2139                 }
2140                 if (call->state==LinphoneCallIncomingReceived){
2141                         ms_message("incoming call ringing for %i seconds",elapsed);
2142                         if (elapsed>lc->sip_conf.inc_timeout){
2143                                 LinphoneReason decline_reason;
2144                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2145                                 decline_reason=lc->current_call ? LinphoneReasonBusy : LinphoneReasonDeclined;
2146                                 call->log->status=LinphoneCallMissed;
2147                                 call->reason=LinphoneReasonNotAnswered;
2148                                 linphone_core_decline_call(lc,call,decline_reason);
2149                         }
2150                 }
2151                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2152                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2153                         linphone_core_terminate_call(lc,call);
2154                 }
2155         }
2156
2157         if (linphone_core_video_preview_enabled(lc)){
2158                 if (lc->previewstream==NULL && lc->calls==NULL)
2159                         toggle_video_preview(lc,TRUE);
2160 #ifdef VIDEO_ENABLED
2161                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2162 #endif
2163         }else{
2164                 if (lc->previewstream!=NULL)
2165                         toggle_video_preview(lc,FALSE);
2166         }
2167
2168         linphone_core_run_hooks(lc);
2169         linphone_core_do_plugin_tasks(lc);
2170
2171         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2172             (curtime-lc->netup_time)>3){
2173                 linphone_core_send_initial_subscribes(lc);
2174                 lc->initial_subscribes_sent=TRUE;
2175         }
2176
2177         if (one_second_elapsed) {
2178                 if (ortp_get_log_level_mask() != lp_config_get_int(lc->config, "misc", "log_level", 0)) {
2179                         lp_config_set_int(lc->config, "misc", "log_level", ortp_get_log_level_mask());
2180                 }
2181                 if (lp_config_needs_commit(lc->config)) {
2182                         lp_config_sync(lc->config);
2183                 }
2184         }
2185 }
2186
2187 /**
2188  * Interpret a call destination as supplied by the user, and returns a fully qualified
2189  * LinphoneAddress.
2190  *
2191  * @ingroup call_control
2192  *
2193  * A sip address should look like DisplayName <sip:username@domain:port> .
2194  * Basically this function performs the following tasks
2195  * - if a phone number is entered, prepend country prefix of the default proxy
2196  *   configuration, eventually escape the '+' by 00.
2197  * - if no domain part is supplied, append the domain name of the default proxy
2198  * - if no sip: is present, prepend it
2199  *
2200  * The result is a syntaxically correct SIP address.
2201 **/
2202
2203 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2204         enum_lookup_res_t *enumres=NULL;
2205         char *enum_domain=NULL;
2206         LinphoneProxyConfig *proxy=lc->default_proxy;;
2207         char *tmpurl;
2208         LinphoneAddress *uri;
2209
2210         if (is_enum(url,&enum_domain)){
2211                 if (lc->vtable.display_status!=NULL)
2212                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2213                 if (enum_lookup(enum_domain,&enumres)<0){
2214                         if (lc->vtable.display_status!=NULL)
2215                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2216                         ms_free(enum_domain);
2217                         return NULL;
2218                 }
2219                 ms_free(enum_domain);
2220                 tmpurl=enumres->sip_address[0];
2221                 uri=linphone_address_new(tmpurl);
2222                 enum_lookup_res_free(enumres);
2223                 return uri;
2224         }
2225         /* check if we have a "sip:" */
2226         if (strstr(url,"sip:")==NULL){
2227                 /* this doesn't look like a true sip uri */
2228                 if (strchr(url,'@')!=NULL){
2229                         /* seems like sip: is missing !*/
2230                         tmpurl=ms_strdup_printf("sip:%s",url);
2231                         uri=linphone_address_new(tmpurl);
2232                         ms_free(tmpurl);
2233                         if (uri){
2234                                 return uri;
2235                         }
2236                 }
2237
2238                 if (proxy!=NULL){
2239                         /* append the proxy domain suffix */
2240                         const char *identity=linphone_proxy_config_get_identity(proxy);
2241                         char normalized_username[128];
2242                         uri=linphone_address_new(identity);
2243                         if (uri==NULL){
2244                                 return NULL;
2245                         }
2246                         linphone_address_set_display_name(uri,NULL);
2247                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2248                                                                 sizeof(normalized_username));
2249                         linphone_address_set_username(uri,normalized_username);
2250                         return uri;
2251                 }else return NULL;
2252         }
2253         uri=linphone_address_new(url);
2254         if (uri!=NULL){
2255                 return uri;
2256         }
2257         /* else we could not do anything with url given by user, so display an error */
2258         if (lc->vtable.display_warning!=NULL){
2259                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2260         }
2261         return NULL;
2262 }
2263
2264 /**
2265  * Returns the default identity SIP address.
2266  *
2267  * @ingroup proxies
2268  * This is an helper function:
2269  *
2270  * If no default proxy is set, this will return the primary contact (
2271  * see linphone_core_get_primary_contact() ). If a default proxy is set
2272  * it returns the registered identity on the proxy.
2273 **/
2274 const char * linphone_core_get_identity(LinphoneCore *lc){
2275         LinphoneProxyConfig *proxy=NULL;
2276         const char *from;
2277         linphone_core_get_default_proxy(lc,&proxy);
2278         if (proxy!=NULL) {
2279                 from=linphone_proxy_config_get_identity(proxy);
2280         }else from=linphone_core_get_primary_contact(lc);
2281         return from;
2282 }
2283
2284 const char * linphone_core_get_route(LinphoneCore *lc){
2285         LinphoneProxyConfig *proxy=NULL;
2286         const char *route=NULL;
2287         linphone_core_get_default_proxy(lc,&proxy);
2288         if (proxy!=NULL) {
2289                 route=linphone_proxy_config_get_route(proxy);
2290         }
2291         return route;
2292 }
2293
2294 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2295         if (call->refer_pending){
2296                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2297                 LinphoneCall *newcall;
2298                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2299                 cp->referer=call;
2300                 ms_message("Starting new call to refered address %s",call->refer_to);
2301                 call->refer_pending=FALSE;
2302                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2303                 linphone_call_params_destroy(cp);
2304                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2305         }
2306 }
2307
2308 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2309         if (referer->op!=NULL){
2310                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2311         }
2312 }
2313
2314 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2315         const MSList *elem;
2316         LinphoneProxyConfig *found_cfg=NULL;
2317         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2318
2319         /*always prefer the default proxy if it is matching the destination uri*/
2320         if (default_cfg){
2321                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2322                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2323                         return default_cfg;
2324         }
2325
2326         /*otherwise iterate through the other proxy config and return the first matching*/
2327         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2328                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2329                 const char *domain=linphone_proxy_config_get_domain(cfg);
2330                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2331                         found_cfg=cfg;
2332                         break;
2333                 }
2334         }
2335         return found_cfg;
2336 }
2337
2338 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2339         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2340         if (cfg==NULL)
2341                 linphone_core_get_default_proxy (lc,&cfg);
2342         if (cfg!=NULL){
2343                 if (route) *route=linphone_proxy_config_get_route(cfg);
2344                 return linphone_proxy_config_get_identity (cfg);
2345         }
2346         return linphone_core_get_primary_contact (lc);
2347 }
2348
2349 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2350         LinphoneAddress *ctt;
2351         const char *localip=call->localip;
2352
2353         /* first use user's supplied ip address if asked*/
2354         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2355                 ctt=linphone_core_get_primary_contact_parsed(lc);
2356                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2357                         linphone_core_get_nat_address_resolved(lc));
2358         }
2359
2360         /* if already choosed, don't change it */
2361         if (call->op && sal_op_get_contact(call->op)!=NULL){
2362                 return NULL;
2363         }
2364         /* if the ping OPTIONS request succeeded use the contact guessed from the
2365          received, rport*/
2366         if (call->ping_op){
2367                 const char *guessed=sal_op_get_contact(call->ping_op);
2368                 if (guessed){
2369                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2370                         return ms_strdup(guessed);
2371                 }
2372         }
2373
2374         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2375         if (dest_proxy && dest_proxy->op){
2376                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2377                 if (fixed_contact) {
2378                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2379                         return ms_strdup(fixed_contact);
2380                 }
2381         }
2382
2383         ctt=linphone_core_get_primary_contact_parsed(lc);
2384
2385         if (ctt!=NULL){
2386                 char *ret;
2387                 /*otherwise use supllied localip*/
2388                 linphone_address_set_domain(ctt,localip);
2389                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2390                 ret=linphone_address_as_string_uri_only(ctt);
2391                 linphone_address_destroy(ctt);
2392                 ms_message("Contact has been fixed using local ip to %s",ret);
2393                 return ret;
2394         }
2395         return NULL;
2396 }
2397
2398 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2399         bool_t ice_ready = FALSE;
2400         bool_t upnp_ready = FALSE;
2401         bool_t ping_ready = FALSE;
2402
2403         if (call->ice_session != NULL) {
2404                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2405         } else {
2406                 ice_ready = TRUE;
2407         }
2408 #ifdef BUILD_UPNP
2409         if (call->upnp_session != NULL) {
2410                 if (linphone_upnp_session_get_state(call->upnp_session) == LinphoneUpnpStateOk) upnp_ready = TRUE;
2411         } else {
2412                 upnp_ready = TRUE;
2413         }
2414 #else
2415         upnp_ready=TRUE;
2416 #endif //BUILD_UPNP
2417         if (call->ping_op != NULL) {
2418                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2419         } else {
2420                 ping_ready = TRUE;
2421         }
2422
2423         if ((ice_ready == TRUE) && (upnp_ready == TRUE) && (ping_ready == TRUE)) {
2424                 return linphone_core_start_invite(lc, call);
2425         }
2426         return 0;
2427 }
2428
2429 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2430         int err;
2431         char *contact;
2432         char *real_url,*barmsg;
2433         char *from;
2434         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2435
2436         /*try to be best-effort in giving real local or routable contact address */
2437         contact=get_fixed_contact(lc,call,dest_proxy);
2438         if (contact){
2439                 sal_op_set_contact(call->op, contact);
2440                 ms_free(contact);
2441         }
2442         linphone_core_stop_dtmf_stream(lc);
2443         linphone_call_init_media_streams(call);
2444         if (lc->ringstream==NULL)
2445                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2446         linphone_call_make_local_media_description(lc,call);
2447         if (!lc->sip_conf.sdp_200_ack){
2448                 call->media_pending=TRUE;
2449                 sal_call_set_local_media_description(call->op,call->localdesc);
2450         }
2451         real_url=linphone_address_as_string(call->log->to);
2452         from=linphone_address_as_string(call->log->from);
2453         err=sal_call(call->op,from,real_url);
2454         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2455
2456         if (lc->sip_conf.sdp_200_ack){
2457                 call->media_pending=TRUE;
2458                 sal_call_set_local_media_description(call->op,call->localdesc);
2459         }
2460         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2461         if (lc->vtable.display_status!=NULL)
2462                 lc->vtable.display_status(lc,barmsg);
2463         ms_free(barmsg);
2464
2465         if (err<0){
2466                 if (lc->vtable.display_status!=NULL)
2467                         lc->vtable.display_status(lc,_("Could not call"));
2468                 linphone_call_stop_media_streams(call);
2469                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2470         }else {
2471                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2472         }
2473         ms_free(real_url);
2474         ms_free(from);
2475         return err;
2476 }
2477
2478 /**
2479  * Initiates an outgoing call
2480  *
2481  * @ingroup call_control
2482  * @param lc the LinphoneCore object
2483  * @param url the destination of the call (sip address, or phone number).
2484  *
2485  * The application doesn't own a reference to the returned LinphoneCall object.
2486  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2487  *
2488  * @return a LinphoneCall object or NULL in case of failure
2489 **/
2490 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2491         LinphoneCall *call;
2492         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2493         p->has_video &= !!lc->video_policy.automatically_initiate;
2494         call=linphone_core_invite_with_params(lc,url,p);
2495         linphone_call_params_destroy(p);
2496         return call;
2497 }
2498
2499
2500 /**
2501  * Initiates an outgoing call according to supplied call parameters
2502  *
2503  * @ingroup call_control
2504  * @param lc the LinphoneCore object
2505  * @param url the destination of the call (sip address, or phone number).
2506  * @param p call parameters
2507  *
2508  * The application doesn't own a reference to the returned LinphoneCall object.
2509  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2510  *
2511  * @return a LinphoneCall object or NULL in case of failure
2512 **/
2513 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2514         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2515         if (addr){
2516                 LinphoneCall *call;
2517                 call=linphone_core_invite_address_with_params(lc,addr,p);
2518                 linphone_address_destroy(addr);
2519                 return call;
2520         }
2521         return NULL;
2522 }
2523
2524 /**
2525  * Initiates an outgoing call given a destination LinphoneAddress
2526  *
2527  * @ingroup call_control
2528  * @param lc the LinphoneCore object
2529  * @param addr the destination of the call (sip address).
2530  *
2531  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2532  * created by linphone_core_interpret_url().
2533  * The application doesn't own a reference to the returned LinphoneCall object.
2534  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2535  *
2536  * @return a LinphoneCall object or NULL in case of failure
2537 **/
2538 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2539         LinphoneCall *call;
2540         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2541         p->has_video &= !!lc->video_policy.automatically_initiate;
2542         call=linphone_core_invite_address_with_params (lc,addr,p);
2543         linphone_call_params_destroy(p);
2544         return call;
2545 }
2546
2547
2548 /**
2549  * Initiates an outgoing call given a destination LinphoneAddress
2550  *
2551  * @ingroup call_control
2552  * @param lc the LinphoneCore object
2553  * @param addr the destination of the call (sip address).
2554         @param params call parameters
2555  *
2556  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2557  * created by linphone_core_interpret_url().
2558  * The application doesn't own a reference to the returned LinphoneCall object.
2559  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2560  *
2561  * @return a LinphoneCall object or NULL in case of failure
2562 **/
2563 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2564 {
2565         const char *route=NULL;
2566         const char *from=NULL;
2567         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2568         LinphoneAddress *parsed_url2=NULL;
2569         char *real_url=NULL;
2570         LinphoneCall *call;
2571         bool_t defer = FALSE;
2572
2573         linphone_core_preempt_sound_resources(lc);
2574
2575         if(!linphone_core_can_we_add_call(lc)){
2576                 if (lc->vtable.display_warning)
2577                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2578                 return NULL;
2579         }
2580         linphone_core_get_default_proxy(lc,&proxy);
2581         route=linphone_core_get_route(lc);
2582
2583         real_url=linphone_address_as_string(addr);
2584         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2585
2586         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2587                 ms_message("Overriding default proxy setting for this call:");
2588                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2589         }
2590
2591         if (dest_proxy!=NULL)
2592                 from=linphone_proxy_config_get_identity(dest_proxy);
2593         else if (proxy!=NULL)
2594                 from=linphone_proxy_config_get_identity(proxy);
2595
2596         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2597         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2598
2599         parsed_url2=linphone_address_new(from);
2600
2601         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2602         call->dest_proxy=dest_proxy;
2603         sal_op_set_route(call->op,route);
2604
2605         if(linphone_core_add_call(lc,call)!= 0)
2606         {
2607                 ms_warning("we had a problem in adding the call into the invite ... weird");
2608                 linphone_call_unref(call);
2609                 return NULL;
2610         }
2611         /* this call becomes now the current one*/
2612         lc->current_call=call;
2613         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2614         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2615                 /* Defer the start of the call after the ICE gathering process. */
2616                 linphone_call_init_media_streams(call);
2617                 linphone_call_start_media_streams_for_ice_gathering(call);
2618                 call->start_time=time(NULL);
2619                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2620                         /* Ice candidates gathering failed, proceed with the call anyway. */
2621                         linphone_call_delete_ice_session(call);
2622                         linphone_call_stop_media_streams_for_ice_gathering(call);
2623                 } else {
2624                         defer = TRUE;
2625                 }
2626         }
2627         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2628 #ifdef BUILD_UPNP
2629                 linphone_call_init_media_streams(call);
2630                 call->start_time=time(NULL);
2631                 if (linphone_core_update_upnp(lc,call)<0) {
2632                         /* uPnP port mappings failed, proceed with the call anyway. */
2633                         linphone_call_delete_upnp_session(call);
2634                 } else {
2635                         defer = TRUE;
2636                 }
2637 #endif //BUILD_UPNP
2638         }
2639
2640         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2641 #ifdef BUILD_UPNP
2642                 if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
2643                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
2644 #else //BUILD_UPNP
2645                 {
2646 #endif //BUILD_UPNP
2647                         /*defer the start of the call after the OPTIONS ping*/
2648                         call->ping_replied=FALSE;
2649                         call->ping_op=sal_op_new(lc->sal);
2650                         sal_ping(call->ping_op,from,real_url);
2651                         sal_op_set_user_pointer(call->ping_op,call);
2652                         call->start_time=time(NULL);
2653                         defer = TRUE;
2654                 }
2655         }
2656
2657         if (defer==FALSE) linphone_core_start_invite(lc,call);
2658
2659         if (real_url!=NULL) ms_free(real_url);
2660         return call;
2661 }
2662
2663 /**
2664  * Performs a simple call transfer to the specified destination.
2665  *
2666  * @ingroup call_control
2667  * The remote endpoint is expected to issue a new call to the specified destination.
2668  * The current call remains active and thus can be later paused or terminated.
2669 **/
2670 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2671 {
2672         char *real_url=NULL;
2673         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2674
2675         if (!real_parsed_url){
2676                 /* bad url */
2677                 return -1;
2678         }
2679         if (call==NULL){
2680                 ms_warning("No established call to refer.");
2681                 return -1;
2682         }
2683         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2684         real_url=linphone_address_as_string (real_parsed_url);
2685         sal_call_refer(call->op,real_url);
2686         ms_free(real_url);
2687         linphone_address_destroy(real_parsed_url);
2688         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2689         return 0;
2690 }
2691
2692 /**
2693  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2694  * @param lc linphone core object
2695  * @param call a running call you want to transfer
2696  * @param dest a running call whose remote person will receive the transfer
2697  *
2698  * @ingroup call_control
2699  *
2700  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2701  * The destination call is a call previously established to introduce the transfered person.
2702  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2703  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2704  * close the call with us (the 'dest' call).
2705 **/
2706 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2707         int result = sal_call_refer_with_replaces (call->op,dest->op);
2708         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2709         return result;
2710 }
2711
2712 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2713         LinphoneCall *call = linphone_core_get_current_call(lc);
2714         if(call != NULL)
2715         {
2716                 if(call->dir==LinphoneCallIncoming
2717                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2718                         return TRUE;
2719         }
2720         return FALSE;
2721 }
2722
2723 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2724         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2725                 int i;
2726                 for(i=0;i<md->n_active_streams;i++){
2727                         SalStreamDescription *sd=&md->streams[i];
2728                         if (sd->proto!=SalProtoRtpSavp){
2729                                 return TRUE;
2730                         }
2731                 }
2732         }
2733         return FALSE;
2734 }
2735
2736 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2737         char *barmesg;
2738         char *tmp;
2739         LinphoneAddress *from_parsed;
2740         SalMediaDescription *md;
2741         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2742         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2743
2744         linphone_call_make_local_media_description(lc,call);
2745         sal_call_set_local_media_description(call->op,call->localdesc);
2746         md=sal_call_get_final_media_description(call->op);
2747         if (md){
2748                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2749                         sal_call_decline(call->op,SalReasonMedia,NULL);
2750                         linphone_call_unref(call);
2751                         return;
2752                 }
2753         }
2754
2755         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2756         linphone_address_clean(from_parsed);
2757         tmp=linphone_address_as_string(from_parsed);
2758         linphone_address_destroy(from_parsed);
2759         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2760             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2761         if (lc->vtable.show) lc->vtable.show(lc);
2762         if (lc->vtable.display_status)
2763             lc->vtable.display_status(lc,barmesg);
2764
2765         /* play the ring if this is the only call*/
2766         if (ms_list_size(lc->calls)==1){
2767                 lc->current_call=call;
2768                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2769                         ring_stop(lc->ringstream);
2770                         lc->ringstream=NULL;
2771                         lc->dmfs_playing_start_time=0;
2772                 }
2773                 if (lc->sound_conf.ring_sndcard!=NULL){
2774                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2775                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2776                                 ms_message("Starting local ring...");
2777                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2778                         }
2779                         else
2780                         {
2781                                 ms_message("the local ring is already started");
2782                         }
2783                 }
2784         }else{
2785                 /* else play a tone within the context of the current call */
2786                 call->ringing_beep=TRUE;
2787                 linphone_core_play_named_tone(lc,LinphoneToneCallWaiting);
2788         }
2789
2790         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2791
2792         if (call->state==LinphoneCallIncomingReceived){
2793                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2794
2795                 if (propose_early_media || ringback_tone!=NULL){
2796                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2797                         md=sal_call_get_final_media_description(call->op);
2798                         linphone_core_update_streams(lc,call,md);
2799                 }
2800                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2801                         linphone_core_accept_call(lc,call);
2802                 }
2803         }
2804         linphone_call_unref(call);
2805
2806         ms_free(barmesg);
2807         ms_free(tmp);
2808 }
2809
2810 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2811         const char *subject;
2812         call->camera_active=call->params.has_video;
2813         if (call->ice_session != NULL) {
2814                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2815         }
2816 #ifdef BUILD_UPNP
2817         if(call->upnp_session != NULL) {
2818                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2819         }
2820 #endif //BUILD_UPNP
2821         if (call->params.in_conference){
2822                 subject="Conference";
2823         }else{
2824                 subject="Media change";
2825         }
2826         if (lc->vtable.display_status)
2827                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2828         sal_call_set_local_media_description (call->op,call->localdesc);
2829         return sal_call_update(call->op,subject);
2830 }
2831
2832 /**
2833  * @ingroup call_control
2834  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2835  *
2836  * In this version this is limited to the following use cases:
2837  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2838  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2839  *
2840  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2841  * @param lc the core
2842  * @param call the call to be updated
2843  * @param params the new call parameters to use. (may be NULL)
2844  * @return 0 if successful, -1 otherwise.
2845 **/
2846 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2847         int err=0;
2848         if (params!=NULL){
2849                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2850 #ifdef VIDEO_ENABLED
2851                 bool_t has_video = call->params.has_video;
2852
2853                 // Video removing
2854                 if((call->videostream != NULL) && !params->has_video) {
2855                         if (call->ice_session != NULL) {
2856                                 ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2857                                 call->videostream->ms.ice_check_list = NULL;
2858                         }
2859 #ifdef BUILD_UPNP
2860                         if(call->upnp_session != NULL) {
2861                                 if (linphone_core_update_upnp(lc, call)<0) {
2862                                         /* uPnP port mappings failed, proceed with the call anyway. */
2863                                         linphone_call_delete_upnp_session(call);
2864                                 }
2865                         }
2866 #endif //BUILD_UPNP
2867                 }
2868
2869                 _linphone_call_params_copy(&call->params,params);
2870                 linphone_call_make_local_media_description(lc, call);
2871
2872                 // Video adding
2873                 if (!has_video && call->params.has_video) {
2874                         if (call->ice_session != NULL) {
2875                                 /* Defer call update until the ICE candidates gathering process has finished. */
2876                                 ms_message("Defer call update to gather ICE candidates");
2877                                 linphone_call_init_video_stream(call);
2878                                 video_stream_prepare_video(call->videostream);
2879                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2880                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2881                                         linphone_call_delete_ice_session(call);
2882                                 } else {
2883                                         return err;
2884                                 }
2885                         }
2886 #ifdef BUILD_UPNP
2887                         if(call->upnp_session != NULL) {
2888                                 ms_message("Defer call update to add uPnP port mappings");
2889                                 linphone_call_init_video_stream(call);
2890                                 video_stream_prepare_video(call->videostream);
2891                                 if (linphone_core_update_upnp(lc, call)<0) {
2892                                         /* uPnP port mappings failed, proceed with the call anyway. */
2893                                         linphone_call_delete_upnp_session(call);
2894                                 } else {
2895                                         return err;
2896                                 }
2897                         }
2898 #endif //BUILD_UPNP
2899                 }
2900 #endif
2901                 err = linphone_core_start_update_call(lc, call);
2902         }else{
2903 #ifdef VIDEO_ENABLED
2904                 if (call->videostream!=NULL){
2905                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2906                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2907                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2908                         }else video_stream_update_video_params(call->videostream);
2909                 }
2910 #endif
2911         }
2912
2913         return err;
2914 }
2915
2916 /**
2917  * @ingroup call_control
2918  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2919  *
2920  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2921  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2922  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2923  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2924  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2925  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2926  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2927  *
2928  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2929 **/
2930 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2931         if (call->state==LinphoneCallUpdatedByRemote){
2932                 call->defer_update=TRUE;
2933                 return 0;
2934         }
2935         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2936         return -1;
2937 }
2938
2939 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2940         SalMediaDescription *md;
2941         if (call->ice_session != NULL) {
2942                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2943                         /* Defer the sending of the answer until there are no losing pairs left. */
2944                         return 0;
2945                 }
2946                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2947         }
2948 #ifdef BUILD_UPNP
2949         if(call->upnp_session != NULL) {
2950                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2951         }
2952 #endif //BUILD_UPNP
2953         linphone_call_update_remote_session_id_and_ver(call);
2954         sal_call_set_local_media_description(call->op,call->localdesc);
2955         sal_call_accept(call->op);
2956         md=sal_call_get_final_media_description(call->op);
2957         if (md && !sal_media_description_empty(md))
2958                 linphone_core_update_streams (lc,call,md);
2959         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2960         return 0;
2961 }
2962
2963 /**
2964  * @ingroup call_control
2965  * Accept call modifications initiated by other end.
2966  *
2967  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2968  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2969  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2970  * requested by the other party, such as whether a video stream is requested.
2971  *
2972  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2973  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2974  * If params is not NULL, then the update will be accepted according to the parameters passed.
2975  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2976  * (see linphone_call_params_enable_video()).
2977  * @param lc the linphone core object.
2978  * @param call the LinphoneCall object
2979  * @param params a LinphoneCallParams object describing the call parameters to accept.
2980  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2981 **/
2982 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2983         SalMediaDescription *remote_desc;
2984         bool_t keep_sdp_version;
2985 #ifdef VIDEO_ENABLED
2986         bool_t old_has_video = call->params.has_video;
2987 #endif
2988         if (call->state!=LinphoneCallUpdatedByRemote){
2989                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2990                          linphone_call_state_to_string(call->state));
2991                 return -1;
2992         }
2993         remote_desc = sal_call_get_remote_media_description(call->op);
2994         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2995         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2996                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2997                 ms_warning("SDP version has not changed, send same SDP as before.");
2998                 sal_call_accept(call->op);
2999                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3000                 return 0;
3001         }
3002         if (params==NULL){
3003                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
3004         }else
3005                 call->params=*params;
3006
3007         if (call->params.has_video && !linphone_core_video_enabled(lc)){
3008                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
3009                 call->params.has_video=FALSE;
3010         }
3011         if (call->current_params.in_conference) {
3012                 ms_warning("Video isn't supported in conference");
3013                 call->params.has_video = FALSE;
3014         }
3015         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
3016         call->camera_active=call->params.has_video;
3017         linphone_call_make_local_media_description(lc,call);
3018         if (call->ice_session != NULL) {
3019                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
3020 #ifdef VIDEO_ENABLED
3021                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
3022                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3023                                 linphone_call_init_video_stream(call);
3024                                 video_stream_prepare_video(call->videostream);
3025                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
3026                                         /* Ice candidates gathering failed, proceed with the call anyway. */
3027                                         linphone_call_delete_ice_session(call);
3028                                 } else return 0;
3029                         }
3030                 }
3031 #endif //VIDEO_ENABLED
3032         }
3033
3034 #ifdef BUILD_UPNP
3035         if(call->upnp_session != NULL) {
3036                 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
3037 #ifdef VIDEO_ENABLED
3038                 if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
3039                         linphone_call_init_video_stream(call);
3040                         video_stream_prepare_video(call->videostream);
3041                         if (linphone_core_update_upnp(lc, call)<0) {
3042                                 /* uPnP update failed, proceed with the call anyway. */
3043                                 linphone_call_delete_upnp_session(call);
3044                         } else return 0;
3045                 }
3046 #endif //VIDEO_ENABLED
3047         }
3048 #endif //BUILD_UPNP
3049
3050         linphone_core_start_accept_call_update(lc, call);
3051         return 0;
3052 }
3053
3054 /**
3055  * Accept an incoming call.
3056  *
3057  * @ingroup call_control
3058  * Basically the application is notified of incoming calls within the
3059  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3060  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3061  * The application can later accept the call using this method.
3062  * @param lc the LinphoneCore object
3063  * @param call the LinphoneCall object representing the call to be answered.
3064  *
3065 **/
3066 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
3067         return linphone_core_accept_call_with_params(lc,call,NULL);
3068 }
3069
3070 /**
3071  * Accept an incoming call, with parameters.
3072  *
3073  * @ingroup call_control
3074  * Basically the application is notified of incoming calls within the
3075  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
3076  * a LinphoneCallIncoming event with the associated LinphoneCall object.
3077  * The application can later accept the call using
3078  * this method.
3079  * @param lc the LinphoneCore object
3080  * @param call the LinphoneCall object representing the call to be answered.
3081  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
3082  *
3083 **/
3084 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
3085 {
3086         LinphoneProxyConfig *cfg=NULL;
3087         const char *contact=NULL;
3088         SalOp *replaced;
3089         SalMediaDescription *new_md;
3090         bool_t was_ringing=FALSE;
3091
3092         if (call==NULL){
3093                 //if just one call is present answer the only one ...
3094                 if(linphone_core_get_calls_nb (lc) != 1)
3095                         return -1;
3096                 else
3097                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
3098         }
3099
3100         if (call->state==LinphoneCallConnected){
3101                 /*call already accepted*/
3102                 return -1;
3103         }
3104
3105         /* check if this call is supposed to replace an already running one*/
3106         replaced=sal_call_get_replaces(call->op);
3107         if (replaced){
3108                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
3109                 if (rc){
3110                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
3111                                    call,rc);
3112                         linphone_core_terminate_call(lc,rc);
3113                 }
3114         }
3115
3116         if (lc->current_call!=call){
3117                 linphone_core_preempt_sound_resources(lc);
3118         }
3119
3120         /*stop ringing */
3121         if (lc->ringstream!=NULL) {
3122                 ms_message("stop ringing");
3123                 ring_stop(lc->ringstream);
3124                 ms_message("ring stopped");
3125                 lc->ringstream=NULL;
3126                 was_ringing=TRUE;
3127         }
3128         if (call->ringing_beep){
3129                 linphone_core_stop_dtmf(lc);
3130                 call->ringing_beep=FALSE;
3131         }
3132
3133         linphone_core_get_default_proxy(lc,&cfg);
3134         call->dest_proxy=cfg;
3135         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
3136
3137         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
3138                 ms_message("Overriding default proxy setting for this call:");
3139                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
3140         }
3141         /*try to be best-effort in giving real local or routable contact address*/
3142         contact=get_fixed_contact(lc,call,call->dest_proxy);
3143         if (contact)
3144                 sal_op_set_contact(call->op,contact);
3145
3146         if (params){
3147                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
3148                 _linphone_call_params_copy(&call->params,params);
3149                 // There might not be a md if the INVITE was lacking an SDP
3150                 // In this case we use the parameters as is.
3151                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
3152                 call->camera_active=call->params.has_video;
3153                 linphone_call_make_local_media_description(lc,call);
3154                 sal_call_set_local_media_description(call->op,call->localdesc);
3155         }
3156
3157         if (call->audiostream==NULL)
3158                 linphone_call_init_media_streams(call);
3159         if (!was_ringing && call->audiostream->ms.ticker==NULL){
3160                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
3161         }
3162
3163         linphone_call_update_remote_session_id_and_ver(call);
3164         sal_call_accept(call->op);
3165         if (lc->vtable.display_status!=NULL)
3166                 lc->vtable.display_status(lc,_("Connected."));
3167         lc->current_call=call;
3168         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
3169         new_md=sal_call_get_final_media_description(call->op);
3170         linphone_core_update_streams(lc, call, new_md);
3171         if (new_md){
3172                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3173         }else call->media_pending=TRUE;
3174
3175         ms_message("call answered.");
3176         return 0;
3177 }
3178
3179 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
3180         sal_call_terminate(call->op);
3181
3182         /*stop ringing*/
3183         if (lc->ringstream!=NULL) {
3184                 ring_stop(lc->ringstream);
3185                 lc->ringstream=NULL;
3186         }
3187         linphone_call_stop_media_streams(call);
3188
3189 #ifdef BUILD_UPNP
3190         linphone_call_delete_upnp_session(call);
3191 #endif //BUILD_UPNP
3192
3193         if (lc->vtable.display_status!=NULL)
3194                 lc->vtable.display_status(lc,_("Call aborted") );
3195         linphone_call_set_state(call,LinphoneCallError,error);
3196         return 0;
3197 }
3198
3199 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
3200         if (call->state==LinphoneCallIncomingReceived){
3201                 if (call->reason!=LinphoneReasonNotAnswered)
3202                         call->reason=LinphoneReasonDeclined;
3203         }
3204         /*stop ringing*/
3205         if (lc->ringstream!=NULL) {
3206                 ring_stop(lc->ringstream);
3207                 lc->ringstream=NULL;
3208         }
3209
3210         linphone_call_stop_media_streams(call);
3211
3212 #ifdef BUILD_UPNP
3213         linphone_call_delete_upnp_session(call);
3214 #endif //BUILD_UPNP
3215
3216         if (lc->vtable.display_status!=NULL)
3217                 lc->vtable.display_status(lc,_("Call ended") );
3218         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3219 }
3220
3221 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3222         if (call->state==LinphoneCallIncomingReceived){
3223                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3224                 call->reason=LinphoneReasonDeclined;
3225                 terminate_call(lc,call);
3226         }else{
3227                 ms_error("Bad state for call redirection.");
3228                 return -1;
3229     }
3230         return 0;
3231 }
3232
3233
3234 /**
3235  * Terminates a call.
3236  *
3237  * @ingroup call_control
3238  * @param lc the LinphoneCore
3239  * @param the_call the LinphoneCall object representing the call to be terminated.
3240 **/
3241 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3242 {
3243         LinphoneCall *call;
3244         if (the_call == NULL){
3245                 call = linphone_core_get_current_call(lc);
3246                 if (ms_list_size(lc->calls)==1){
3247                         call=(LinphoneCall*)lc->calls->data;
3248                 }else{
3249                         ms_warning("No unique call to terminate !");
3250                         return -1;
3251                 }
3252         }
3253         else
3254         {
3255                 call = the_call;
3256         }
3257         sal_call_terminate(call->op);
3258         terminate_call(lc,call);
3259         return 0;
3260 }
3261
3262 /**
3263  * Decline a pending incoming call, with a reason.
3264  *
3265  * @ingroup call_control
3266  *
3267  * @param lc the linphone core
3268  * @param call the LinphoneCall, must be in the IncomingReceived state.
3269  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3270 **/
3271 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3272         SalReason sal_reason=SalReasonUnknown;
3273         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3274                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3275                 return -1;
3276         }
3277         switch(reason){
3278                 case LinphoneReasonDeclined:
3279                         sal_reason=SalReasonDeclined;
3280                 break;
3281                 case LinphoneReasonBusy:
3282                         sal_reason=SalReasonBusy;
3283                 break;
3284                 default:
3285                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3286                         return -1;
3287                 break;
3288         }
3289         sal_call_decline(call->op,sal_reason,NULL);
3290         terminate_call(lc,call);
3291         return 0;
3292 }
3293
3294 /**
3295  * Terminates all the calls.
3296  *
3297  * @ingroup call_control
3298  * @param lc The LinphoneCore
3299 **/
3300 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3301         MSList *calls=lc->calls;
3302         while(calls) {
3303                 LinphoneCall *c=(LinphoneCall*)calls->data;
3304                 calls=calls->next;
3305                 linphone_core_terminate_call(lc,c);
3306         }
3307         return 0;
3308 }
3309
3310 /**
3311  * Returns the current list of calls.
3312  *
3313  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3314  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3315  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3316  *
3317  * @ingroup call_control
3318 **/
3319 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3320 {
3321         return lc->calls;
3322 }
3323
3324 /**
3325  * Returns TRUE if there is a call running.
3326  *
3327  * @ingroup call_control
3328 **/
3329 bool_t linphone_core_in_call(const LinphoneCore *lc){
3330         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3331 }
3332
3333 /**
3334  * Returns The _LinphoneCall struct of the current call if one is in call
3335  *
3336  * @ingroup call_control
3337 **/
3338 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc){
3339         return lc->current_call;
3340 }
3341
3342 /**
3343  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3344  * this file will be played to the remote user.
3345  *
3346  * @ingroup call_control
3347 **/
3348 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call){
3349         int err=_linphone_core_pause_call(lc,call);
3350         if (err==0)  call->paused_by_app=TRUE;
3351         return err;
3352 }
3353
3354 /* Internal version that does not play tone indication*/
3355 int _linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3356 {
3357         const char *subject=NULL;
3358
3359         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3360                 ms_warning("Cannot pause this call, it is not active.");
3361                 return -1;
3362         }
3363         linphone_call_make_local_media_description(lc,call);
3364         if (call->ice_session != NULL) {
3365                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3366         }
3367 #ifdef BUILD_UPNP
3368         if(call->upnp_session != NULL) {
3369                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3370         }
3371 #endif //BUILD_UPNP
3372         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3373                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3374                 subject="Call on hold";
3375         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3376                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3377                 subject="Call on hold for me too";
3378         }else{
3379                 ms_error("No reason to pause this call, it is already paused or inactive.");
3380                 return -1;
3381         }
3382         sal_call_set_local_media_description(call->op,call->localdesc);
3383         if (sal_call_update(call->op,subject) != 0){
3384                 if (lc->vtable.display_warning)
3385                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3386         }
3387         lc->current_call=NULL;
3388         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3389         if (lc->vtable.display_status)
3390                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3391         if (call->audiostream || call->videostream)
3392                 linphone_call_stop_media_streams (call);
3393         call->paused_by_app=FALSE;
3394         return 0;
3395 }
3396
3397 /**
3398  * Pause all currently running calls.
3399  * @ingroup call_control
3400 **/
3401 int linphone_core_pause_all_calls(LinphoneCore *lc){
3402         const MSList *elem;
3403         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3404                 LinphoneCall *call=(LinphoneCall *)elem->data;
3405                 LinphoneCallState cs=linphone_call_get_state(call);
3406                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3407                         _linphone_core_pause_call(lc,call);
3408                 }
3409         }
3410         return 0;
3411 }
3412
3413 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3414         LinphoneCall *current_call;
3415         if (linphone_core_is_in_conference(lc)){
3416                 linphone_core_leave_conference(lc);
3417                 return;
3418         }
3419         current_call=linphone_core_get_current_call(lc);
3420         if(current_call != NULL){
3421                 ms_message("Pausing automatically the current call.");
3422                 _linphone_core_pause_call(lc,current_call);
3423         }
3424         if (lc->ringstream){
3425                 ring_stop(lc->ringstream);
3426                 lc->ringstream=NULL;
3427         }
3428 }
3429
3430 /**
3431  * Resumes the call.
3432  *
3433  * @ingroup call_control
3434 **/
3435 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3436 {
3437         char temp[255]={0};
3438         LinphoneCall *call = the_call;
3439         const char *subject="Call resuming";
3440
3441         if(call->state!=LinphoneCallPaused ){
3442                 ms_warning("we cannot resume a call that has not been established and paused before");
3443                 return -1;
3444         }
3445         if (call->params.in_conference==FALSE){
3446                 linphone_core_preempt_sound_resources(lc);
3447                 ms_message("Resuming call %p",call);
3448         }
3449
3450         /* Stop playing music immediately. If remote side is a conference it
3451          prevents the participants to hear it while the 200OK comes back.*/
3452         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3453
3454         linphone_call_make_local_media_description(lc,the_call);
3455         if (call->ice_session != NULL) {
3456                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3457         }
3458 #ifdef BUILD_UPNP
3459         if(call->upnp_session != NULL) {
3460                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3461         }
3462 #endif //BUILD_UPNP
3463         sal_call_set_local_media_description(call->op,call->localdesc);
3464         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3465         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3466         if(sal_call_update(call->op,subject) != 0){
3467                 return -1;
3468         }
3469         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3470         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3471         if (lc->vtable.display_status)
3472                 lc->vtable.display_status(lc,temp);
3473         return 0;
3474 }
3475
3476 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3477         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3478         return !linphone_address_weak_equal (addr,raddr);
3479 }
3480
3481 /**
3482  * Get the call with the remote_address specified
3483  * @param lc
3484  * @param remote_address
3485  * @return the LinphoneCall of the call if found
3486  *
3487  * @ingroup call_control
3488  */
3489 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3490         LinphoneAddress *raddr=linphone_address_new(remote_address);
3491         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3492         if (elem) return (LinphoneCall*) elem->data;
3493         return NULL;
3494 }
3495
3496 int linphone_core_send_publish(LinphoneCore *lc,
3497                                LinphoneOnlineStatus presence_mode)
3498 {
3499         const MSList *elem;
3500         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3501                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3502                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3503         }
3504         return 0;
3505 }
3506
3507 /**
3508  * Set the incoming call timeout in seconds.
3509  *
3510  * @ingroup call_control
3511  * If an incoming call isn't answered for this timeout period, it is
3512  * automatically declined.
3513 **/
3514 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3515         lc->sip_conf.inc_timeout=seconds;
3516         if (linphone_core_ready(lc)){
3517                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3518         }
3519 }
3520
3521 /**
3522  * Returns the incoming call timeout
3523  *
3524  * @ingroup call_control
3525  * See linphone_core_set_inc_timeout() for details.
3526 **/
3527 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3528         return lc->sip_conf.inc_timeout;
3529 }
3530
3531 /**
3532  * Set the in call timeout in seconds.
3533  *
3534  * @ingroup call_control
3535  * After this timeout period, the call is automatically hangup.
3536 **/
3537 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3538         lc->sip_conf.in_call_timeout=seconds;
3539 }
3540
3541 /**
3542  * Returns the in call timeout
3543  *
3544  * @ingroup call_control
3545  * See linphone_core_set_in_call_timeout() for details.
3546 **/
3547 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3548         return lc->sip_conf.in_call_timeout;
3549 }
3550
3551 /**
3552  * Returns the delayed timeout
3553  *
3554  * @ingroup call_control
3555  * See linphone_core_set_delayed_timeout() for details.
3556 **/
3557 int linphone_core_get_delayed_timeout(LinphoneCore *lc){
3558         return lc->sip_conf.delayed_timeout;
3559 }
3560
3561 /**
3562  * Set the in delayed timeout in seconds.
3563  *
3564  * @ingroup call_control
3565  * After this timeout period, a delayed call (internal call initialisation or resolution) is resumed.
3566 **/
3567 void linphone_core_set_delayed_timeout(LinphoneCore *lc, int seconds){
3568         lc->sip_conf.delayed_timeout=seconds;
3569 }
3570
3571 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3572                                                                                                         const char *contact,
3573                                                                                                         LinphoneOnlineStatus presence_mode)
3574 {
3575         if (minutes_away>0) lc->minutes_away=minutes_away;
3576
3577         if (lc->alt_contact!=NULL) {
3578                 ms_free(lc->alt_contact);
3579                 lc->alt_contact=NULL;
3580         }
3581         if (contact) lc->alt_contact=ms_strdup(contact);
3582         if (lc->presence_mode!=presence_mode){
3583                 linphone_core_notify_all_friends(lc,presence_mode);
3584                 /*
3585                    Improve the use of all LINPHONE_STATUS available.
3586                    !TODO Do not mix "presence status" with "answer status code"..
3587                    Use correct parameter to follow sip_if_match/sip_etag.
3588                  */
3589                 linphone_core_send_publish(lc,presence_mode);
3590         }
3591         lc->presence_mode=presence_mode;
3592 }
3593
3594 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3595         return lc->presence_mode;
3596 }
3597
3598 /**
3599  * Get playback sound level in 0-100 scale.
3600  *
3601  * @ingroup media_parameters
3602 **/
3603 int linphone_core_get_play_level(LinphoneCore *lc)
3604 {
3605         return lc->sound_conf.play_lev;
3606 }
3607
3608 /**
3609  * Get ring sound level in 0-100 scale
3610  *
3611  * @ingroup media_parameters
3612 **/
3613 int linphone_core_get_ring_level(LinphoneCore *lc)
3614 {
3615         return lc->sound_conf.ring_lev;
3616 }
3617
3618 /**
3619  * Get sound capture level in 0-100 scale
3620  *
3621  * @ingroup media_parameters
3622 **/
3623 int linphone_core_get_rec_level(LinphoneCore *lc){
3624         return lc->sound_conf.rec_lev;
3625 }
3626
3627 /**
3628  * Set sound ring level in 0-100 scale
3629  *
3630  * @ingroup media_parameters
3631 **/
3632 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3633         MSSndCard *sndcard;
3634         lc->sound_conf.ring_lev=level;
3635         sndcard=lc->sound_conf.ring_sndcard;
3636         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3637 }
3638
3639 /**
3640  * Allow to control microphone level:  gain in db
3641  *
3642  * @ingroup media_parameters
3643 **/
3644 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3645         float gain=gaindb;
3646         LinphoneCall *call=linphone_core_get_current_call (lc);
3647         AudioStream *st;
3648
3649         lc->sound_conf.soft_mic_lev=gaindb;
3650
3651         if (linphone_core_ready(lc)){
3652                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3653         }
3654
3655         if (call==NULL || (st=call->audiostream)==NULL){
3656                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3657                 return;
3658         }
3659         if (st->volrecv){
3660                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3661         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3662 }
3663
3664 /**
3665  * Get microphone gain in db.
3666  *
3667  * @ingroup media_parameters
3668 **/
3669 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3670         return lc->sound_conf.soft_mic_lev;
3671 }
3672
3673 /**
3674  * Allow to control play level before entering sound card:  gain in db
3675  *
3676  * @ingroup media_parameters
3677 **/
3678 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3679         float gain=gaindb;
3680         LinphoneCall *call=linphone_core_get_current_call (lc);
3681         AudioStream *st;
3682
3683         lc->sound_conf.soft_play_lev=gaindb;
3684         if (linphone_core_ready(lc)){
3685                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3686         }
3687
3688         if (call==NULL || (st=call->audiostream)==NULL){
3689                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3690                 return;
3691         }
3692         if (st->volrecv){
3693                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3694         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3695 }
3696
3697 /**
3698  * Get playback gain in db before entering  sound card.
3699  *
3700  * @ingroup media_parameters
3701 **/
3702 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3703         return lc->sound_conf.soft_play_lev;
3704 }
3705
3706 /**
3707  * Set sound playback level in 0-100 scale
3708  *
3709  * @ingroup media_parameters
3710 **/
3711 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3712         MSSndCard *sndcard;
3713         lc->sound_conf.play_lev=level;
3714         sndcard=lc->sound_conf.play_sndcard;
3715         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3716 }
3717
3718 /**
3719  * Set sound capture level in 0-100 scale
3720  *
3721  * @ingroup media_parameters
3722 **/
3723 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3724 {
3725         MSSndCard *sndcard;
3726         lc->sound_conf.rec_lev=level;
3727         sndcard=lc->sound_conf.capt_sndcard;
3728         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3729 }
3730
3731 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3732         MSSndCard *sndcard=NULL;
3733         if (devid!=NULL){
3734                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3735                 if (sndcard!=NULL &&
3736                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3737                         ms_warning("%s card does not have the %s capability, ignoring.",
3738                                 devid,
3739                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3740                         sndcard=NULL;
3741                 }
3742         }
3743         if (sndcard==NULL) {
3744                 /* get a card that has read+write capabilities */
3745                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3746                 /* otherwise refine to the first card having the right capability*/
3747                 if (sndcard==NULL){
3748                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3749                         for(;elem!=NULL;elem=elem->next){
3750                                 sndcard=(MSSndCard*)elem->data;
3751                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3752                         }
3753                 }
3754                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3755                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3756                         if (elem) sndcard=(MSSndCard*)elem->data;
3757         }
3758         }
3759         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3760         return sndcard;
3761 }
3762
3763 /**
3764  * Returns true if the specified sound device can capture sound.
3765  *
3766  * @ingroup media_parameters
3767  * @param lc The LinphoneCore object
3768  * @param devid the device name as returned by linphone_core_get_sound_devices()
3769 **/
3770 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3771         MSSndCard *sndcard;
3772         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3773         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3774         return FALSE;
3775 }
3776
3777 /**
3778  * Returns true if the specified sound device can play sound.
3779  *
3780  * @ingroup media_parameters
3781  * @param lc The LinphoneCore object
3782  * @param devid the device name as returned by linphone_core_get_sound_devices()
3783 **/
3784 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3785         MSSndCard *sndcard;
3786         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3787         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3788         return FALSE;
3789 }
3790
3791 /**
3792  * Sets the sound device used for ringing.
3793  *
3794  * @ingroup media_parameters
3795  * @param lc The LinphoneCore object
3796  * @param devid the device name as returned by linphone_core_get_sound_devices()
3797 **/
3798 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3799         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3800         lc->sound_conf.ring_sndcard=card;
3801         if (card && linphone_core_ready(lc))
3802                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3803         return 0;
3804 }
3805
3806 /**
3807  * Sets the sound device used for playback.
3808  *
3809  * @ingroup media_parameters
3810  * @param lc The LinphoneCore object
3811  * @param devid the device name as returned by linphone_core_get_sound_devices()
3812 **/
3813 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3814         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3815         lc->sound_conf.play_sndcard=card;
3816         if (card &&  linphone_core_ready(lc))
3817                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3818         return 0;
3819 }
3820
3821 /**
3822  * Sets the sound device used for capture.
3823  *
3824  * @ingroup media_parameters
3825  * @param lc The LinphoneCore object
3826  * @param devid the device name as returned by linphone_core_get_sound_devices()
3827 **/
3828 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3829         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3830         lc->sound_conf.capt_sndcard=card;
3831         if (card &&  linphone_core_ready(lc))
3832                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3833         return 0;
3834 }
3835
3836 /**
3837  * Returns the name of the currently assigned sound device for ringing.
3838  *
3839  * @ingroup media_parameters
3840  * @param lc The LinphoneCore object
3841 **/
3842 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3843 {
3844         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3845         return NULL;
3846 }
3847
3848 /**
3849  * Returns the name of the currently assigned sound device for playback.
3850  *
3851  * @ingroup media_parameters
3852  * @param lc The LinphoneCore object
3853 **/
3854 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3855 {
3856         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3857 }
3858
3859 /**
3860  * Returns the name of the currently assigned sound device for capture.
3861  *
3862  * @ingroup media_parameters
3863  * @param lc The LinphoneCore object
3864 **/
3865 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3866 {
3867         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3868 }
3869
3870 /**
3871  * Returns an unmodifiable array of available sound devices.
3872  *
3873  * The array is NULL terminated.
3874  *
3875  * @ingroup media_parameters
3876  * @param lc The LinphoneCore object
3877 **/
3878 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3879         return lc->sound_conf.cards;
3880 }
3881
3882 /**
3883  * Returns an unmodifiable array of available video capture devices.
3884  *
3885  * @ingroup media_parameters
3886  * The array is NULL terminated.
3887 **/
3888 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3889         return lc->video_conf.cams;
3890 }
3891
3892 /**
3893  * Update detection of sound devices.
3894  *
3895  * Use this function when the application is notified of USB plug events, so that
3896  * list of available hardwares for sound playback and capture is updated.
3897  **/
3898 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3899         const char *ringer,*playback,*capture;
3900         ringer=linphone_core_get_ringer_device(lc);
3901         playback=linphone_core_get_playback_device(lc);
3902         capture=linphone_core_get_capture_device(lc);
3903         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3904         build_sound_devices_table(lc);
3905         linphone_core_set_ringer_device(lc,ringer);
3906         linphone_core_set_playback_device(lc,playback);
3907         linphone_core_set_capture_device(lc,capture);
3908 }
3909
3910 /**
3911  * Update detection of camera devices.
3912  *
3913  * Use this function when the application is notified of USB plug events, so that
3914  * list of available hardwares for video capture is updated.
3915  **/
3916 void linphone_core_reload_video_devices(LinphoneCore *lc){
3917         const char *devid;
3918         devid=linphone_core_get_video_device(lc);
3919         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3920         build_video_devices_table(lc);
3921         linphone_core_set_video_device(lc,devid);
3922 }
3923
3924 char linphone_core_get_sound_source(LinphoneCore *lc)
3925 {
3926         return lc->sound_conf.source;
3927 }
3928
3929 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3930 {
3931         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3932         lc->sound_conf.source=source;
3933         if (!sndcard) return;
3934         switch(source){
3935                 case 'm':
3936                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3937                         break;
3938                 case 'l':
3939                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3940                         break;
3941         }
3942
3943 }
3944
3945
3946 /**
3947  * Sets the path to a wav file used for ringing.
3948  *
3949  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3950  * @param lc The LinphoneCore object
3951  *
3952  * @ingroup media_parameters
3953 **/
3954 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3955         if (lc->sound_conf.local_ring!=0){
3956                 ms_free(lc->sound_conf.local_ring);
3957                 lc->sound_conf.local_ring=NULL;
3958         }
3959         if (path)
3960                 lc->sound_conf.local_ring=ms_strdup(path);
3961         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3962                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3963 }
3964
3965 /**
3966  * Returns the path to the wav file used for ringing.
3967  *
3968  * @param lc The LinphoneCore object
3969  * @ingroup media_parameters
3970 **/
3971 const char *linphone_core_get_ring(const LinphoneCore *lc){
3972         return lc->sound_conf.local_ring;
3973 }
3974
3975 /**
3976  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3977  *
3978  * @param path
3979  * @param lc The LinphoneCore object
3980  *
3981  * @ingroup initializing
3982 **/
3983 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3984         sal_set_root_ca(lc->sal, path);
3985 }
3986
3987 /**
3988  * Gets the path to a file or folder containing the trusted root CAs (PEM format)
3989  *
3990  * @param lc The LinphoneCore object
3991  *
3992  * @ingroup initializing
3993 **/
3994 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3995         return sal_get_root_ca(lc->sal);
3996 }
3997
3998 /**
3999  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
4000  *
4001  * @ingroup initializing
4002 **/
4003 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
4004         sal_verify_server_certificates(lc->sal,yesno);
4005 }
4006
4007 /**
4008  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
4009  * @ingroup initializing
4010 **/
4011 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
4012         sal_verify_server_cn(lc->sal,yesno);
4013 }
4014
4015 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
4016         LinphoneCore *lc=(LinphoneCore*)ud;
4017         lc->preview_finished=1;
4018 }
4019
4020 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
4021 {
4022         if (lc->ringstream!=0){
4023                 ms_warning("Cannot start ring now,there's already a ring being played");
4024                 return -1;
4025         }
4026         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
4027         lc->preview_finished=0;
4028         if (lc->sound_conf.ring_sndcard!=NULL){
4029                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4030                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
4031         }
4032         return 0;
4033 }
4034
4035 /**
4036  * Sets the path to a wav file used for ringing back.
4037  *
4038  * Ringback means the ring that is heard when it's ringing at the remote party.
4039  * The file must be a wav 16bit linear.
4040  *
4041  * @ingroup media_parameters
4042 **/
4043 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
4044         if (lc->sound_conf.remote_ring!=0){
4045                 ms_free(lc->sound_conf.remote_ring);
4046         }
4047         lc->sound_conf.remote_ring=ms_strdup(path);
4048 }
4049
4050 /**
4051  * Returns the path to the wav file used for ringing back.
4052  *
4053  * @ingroup media_parameters
4054 **/
4055 const char * linphone_core_get_ringback(const LinphoneCore *lc){
4056         return lc->sound_conf.remote_ring;
4057 }
4058
4059 /**
4060  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
4061  *
4062  * @ingroup media_parameters
4063 **/
4064 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
4065         lc->sound_conf.ec=val;
4066         if ( linphone_core_ready(lc))
4067                 lp_config_set_int(lc->config,"sound","echocancellation",val);
4068 }
4069
4070
4071 /**
4072  * Returns TRUE if echo cancellation is enabled.
4073  *
4074  * @ingroup media_parameters
4075 **/
4076 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
4077         return lc->sound_conf.ec;
4078 }
4079
4080 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
4081         lc->sound_conf.ea=val;
4082 }
4083
4084 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
4085         return lc->sound_conf.ea;
4086 }
4087
4088 /**
4089  * Mutes or unmutes the local microphone.
4090  *
4091  * @ingroup media_parameters
4092 **/
4093 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
4094         LinphoneCall *call=linphone_core_get_current_call(lc);
4095         AudioStream *st=NULL;
4096         if (linphone_core_is_in_conference(lc)){
4097                 lc->conf_ctx.local_muted=val;
4098                 st=lc->conf_ctx.local_participant;
4099         }else if (call==NULL){
4100                 ms_warning("linphone_core_mute_mic(): No current call !");
4101                 return;
4102         }else{
4103                 st=call->audiostream;
4104                 call->audio_muted=val;
4105         }
4106         if (st!=NULL){
4107                 audio_stream_set_mic_gain(st,
4108                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
4109                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
4110                         audio_stream_mute_rtp(st,val);
4111                 }
4112
4113         }
4114 }
4115 /**
4116  * Returns whether microphone is muted.
4117 **/
4118 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
4119         LinphoneCall *call=linphone_core_get_current_call(lc);
4120         if (linphone_core_is_in_conference(lc)){
4121                 return lc->conf_ctx.local_muted;
4122         }else if (call==NULL){
4123                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4124                 return FALSE;
4125         }
4126         return call->audio_muted;
4127 }
4128
4129 // returns rtp transmission status for an active stream
4130 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
4131 // was set on then rtp transmission is also muted
4132 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
4133         LinphoneCall *call=linphone_core_get_current_call(lc);
4134         if (call==NULL){
4135                 ms_warning("linphone_core_is_mic_muted(): No current call !");
4136                 return FALSE;
4137         }
4138         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
4139                 return call->audio_muted;
4140         }
4141         return FALSE;
4142 }
4143
4144 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
4145         lc->sound_conf.agc=val;
4146 }
4147
4148 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
4149         return lc->sound_conf.agc;
4150 }
4151
4152 /**
4153  * Send the specified dtmf.
4154  *
4155  * @ingroup media_parameters
4156  * This function only works during calls. The dtmf is automatically played to the user.
4157  * @param lc The LinphoneCore object
4158  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
4159  *
4160 **/
4161 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
4162 {
4163         LinphoneCall *call=linphone_core_get_current_call(lc);
4164         if (call==NULL){
4165                 ms_warning("linphone_core_send_dtmf(): no active call");
4166                 return;
4167         }
4168         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
4169         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
4170         {
4171                 /* In Band DTMF */
4172                 if (call->audiostream!=NULL){
4173                         audio_stream_send_dtmf(call->audiostream,dtmf);
4174                 }
4175                 else
4176                 {
4177                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
4178                 }
4179         }
4180         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
4181                 /* Out of Band DTMF (use INFO method) */
4182                 sal_call_send_dtmf(call->op,dtmf);
4183         }
4184 }
4185
4186 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
4187         if (lc->net_conf.stun_server!=NULL)
4188                 ms_free(lc->net_conf.stun_server);
4189         if (server)
4190                 lc->net_conf.stun_server=ms_strdup(server);
4191         else lc->net_conf.stun_server=NULL;
4192         if (linphone_core_ready(lc))
4193                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
4194 }
4195
4196 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
4197         return lc->net_conf.stun_server;
4198 }
4199
4200 bool_t linphone_core_upnp_available(const LinphoneCore *lc){
4201 #ifdef BUILD_UPNP
4202         return TRUE;
4203 #else
4204         return FALSE;
4205 #endif //BUILD_UPNP
4206 }
4207
4208 LinphoneUpnpState linphone_core_get_upnp_state(const LinphoneCore *lc){
4209 #ifdef BUILD_UPNP
4210         return linphone_upnp_context_get_state(lc->upnp);
4211 #else
4212         return LinphoneUpnpStateNotAvailable;
4213 #endif //BUILD_UPNP
4214 }
4215
4216 const char * linphone_core_get_upnp_external_ipaddress(const LinphoneCore *lc){
4217 #ifdef BUILD_UPNP
4218         return linphone_upnp_context_get_external_ipaddress(lc->upnp);
4219 #else
4220         return NULL;
4221 #endif //BUILD_UPNP
4222 }
4223
4224
4225 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
4226         return lc->net_conf.relay;
4227 }
4228
4229 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
4230         if (lc->net_conf.relay!=NULL){
4231                 ms_free(lc->net_conf.relay);
4232                 lc->net_conf.relay=NULL;
4233         }
4234         if (addr){
4235                 lc->net_conf.relay=ms_strdup(addr);
4236         }
4237         return 0;
4238 }
4239
4240 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
4241 {
4242         if (lc->net_conf.nat_address!=NULL){
4243                 ms_free(lc->net_conf.nat_address);
4244         }
4245         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
4246         else lc->net_conf.nat_address=NULL;
4247         if (lc->sip_conf.contact) update_primary_contact(lc);
4248 }
4249
4250 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
4251         return lc->net_conf.nat_address;
4252 }
4253
4254 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
4255 {
4256         struct sockaddr_storage ss;
4257         socklen_t ss_len;
4258         int error;
4259         char ipstring [INET6_ADDRSTRLEN];
4260
4261         if (lc->net_conf.nat_address==NULL) return NULL;
4262
4263         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
4264                 return lc->net_conf.nat_address;
4265         }
4266
4267         error = getnameinfo((struct sockaddr *)&ss, ss_len,
4268                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
4269         if (error) {
4270                 return lc->net_conf.nat_address;
4271         }
4272
4273         if (lc->net_conf.nat_address_ip!=NULL){
4274                 ms_free(lc->net_conf.nat_address_ip);
4275         }
4276         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
4277         return lc->net_conf.nat_address_ip;
4278 }
4279
4280 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
4281 #ifndef BUILD_UPNP
4282         if(pol == LinphonePolicyUseUpnp) {
4283                 ms_warning("UPNP is not available, reset firewall policy to no firewall");
4284                 pol = LinphonePolicyNoFirewall;
4285         }
4286 #endif //BUILD_UPNP
4287         lc->net_conf.firewall_policy=pol;
4288 #ifdef BUILD_UPNP
4289         if(pol == LinphonePolicyUseUpnp) {
4290                 if(lc->upnp == NULL) {
4291                         lc->upnp = linphone_upnp_context_new(lc);
4292                 }
4293         } else {
4294                 if(lc->upnp != NULL) {
4295                         linphone_upnp_context_destroy(lc->upnp);
4296                         lc->upnp = NULL;
4297                 }
4298         }
4299         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
4300 #endif //BUILD_UPNP
4301         if (lc->sip_conf.contact) update_primary_contact(lc);
4302         if (linphone_core_ready(lc))
4303                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4304 }
4305
4306 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4307         return lc->net_conf.firewall_policy;
4308 }
4309
4310 /**
4311  * Get the list of call logs (past calls).
4312  *
4313  * @ingroup call_logs
4314 **/
4315 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4316         return lc->call_logs;
4317 }
4318
4319 /**
4320  * Erase the call log.
4321  *
4322  * @ingroup call_logs
4323 **/
4324 void linphone_core_clear_call_logs(LinphoneCore *lc){
4325         lc->missed_calls=0;
4326         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4327         lc->call_logs=ms_list_free(lc->call_logs);
4328         call_logs_write_to_config_file(lc);
4329 }
4330
4331 /**
4332  * Returns number of missed calls.
4333  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4334 **/
4335 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4336         return lc->missed_calls;
4337 }
4338
4339 /**
4340  * Resets the counter of missed calls.
4341 **/
4342 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4343         lc->missed_calls=0;
4344 }
4345
4346 /**
4347  * Remove a specific call log from call history list.
4348  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4349  * @param lc the linphone core object
4350  * @param a LinphoneCallLog object.
4351 **/
4352 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4353         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4354         call_logs_write_to_config_file(lc);
4355         linphone_call_log_destroy(cl);
4356 }
4357
4358 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4359 #ifdef VIDEO_ENABLED
4360         if (val){
4361                 if (lc->previewstream==NULL){
4362                         lc->previewstream=video_preview_new();
4363                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4364                         if (lc->video_conf.displaytype)
4365                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4366                         if (lc->preview_window_id!=0)
4367                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4368                         video_preview_start(lc->previewstream,lc->video_conf.device);
4369                 }
4370         }else{
4371                 if (lc->previewstream!=NULL){
4372                         video_preview_stop(lc->previewstream);
4373                         lc->previewstream=NULL;
4374                 }
4375         }
4376 #endif
4377 }
4378
4379 /**
4380  * Enables video globally.
4381  *
4382  * @ingroup media_parameters
4383  * This function does not have any effect during calls. It just indicates LinphoneCore to
4384  * initiate future calls with video or not. The two boolean parameters indicate in which
4385  * direction video is enabled. Setting both to false disables video entirely.
4386  *
4387  * @param lc The LinphoneCore object
4388  * @param vcap_enabled indicates whether video capture is enabled
4389  * @param display_enabled indicates whether video display should be shown
4390  *
4391 **/
4392 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4393 #ifndef VIDEO_ENABLED
4394         if (vcap_enabled || display_enabled)
4395                 ms_warning("This version of linphone was built without video support.");
4396 #endif
4397         lc->video_conf.capture=vcap_enabled;
4398         lc->video_conf.display=display_enabled;
4399         if (linphone_core_ready(lc)){
4400                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4401                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4402         }
4403         /* need to re-apply network bandwidth settings*/
4404         linphone_core_set_download_bandwidth(lc,
4405                 linphone_core_get_download_bandwidth(lc));
4406         linphone_core_set_upload_bandwidth(lc,
4407                 linphone_core_get_upload_bandwidth(lc));
4408 }
4409
4410 bool_t linphone_core_video_supported(LinphoneCore *lc){
4411 #ifdef VIDEO_ENABLED
4412         return TRUE;
4413 #else
4414         return FALSE;
4415 #endif
4416 }
4417
4418 /**
4419  * Returns TRUE if video is enabled, FALSE otherwise.
4420  * @ingroup media_parameters
4421 **/
4422 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4423         return (lc->video_conf.display || lc->video_conf.capture);
4424 }
4425
4426 /**
4427  * Sets the default policy for video.
4428  * This policy defines whether:
4429  * - video shall be initiated by default for outgoing calls
4430  * - video shall be accepter by default for incoming calls
4431  * @ingroup media_parameters
4432 **/
4433 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4434         lc->video_policy=*policy;
4435         if (linphone_core_ready(lc)){
4436                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4437                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4438         }
4439 }
4440
4441 /**
4442  * Get the default policy for video.
4443  * See linphone_core_set_video_policy() for more details.
4444  * @ingroup media_parameters
4445 **/
4446 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4447         return &lc->video_policy;
4448 }
4449
4450 /**
4451  * Controls video preview enablement.
4452  *
4453  * @ingroup media_parameters
4454  * Video preview refers to the action of displaying the local webcam image
4455  * to the user while not in call.
4456 **/
4457 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4458         lc->video_conf.show_local=val;
4459         if (linphone_core_ready(lc))
4460                 lp_config_set_int(lc->config,"video","show_local",val);
4461 }
4462
4463 /**
4464  * Returns TRUE if video previewing is enabled.
4465  * @ingroup media_parameters
4466 **/
4467 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4468         return lc->video_conf.show_local;
4469 }
4470
4471 /**
4472  * Enables or disable self view during calls.
4473  *
4474  * @ingroup media_parameters
4475  * Self-view refers to having local webcam image inserted in corner
4476  * of the video window during calls.
4477  * This function works at any time, including during calls.
4478 **/
4479 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4480 #ifdef VIDEO_ENABLED
4481         LinphoneCall *call=linphone_core_get_current_call (lc);
4482         lc->video_conf.selfview=val;
4483         if (call && call->videostream){
4484                 video_stream_enable_self_view(call->videostream,val);
4485         }
4486         if (linphone_core_ready(lc)){
4487                 lp_config_set_int(lc->config,"video","self_view",val);
4488         }
4489 #endif
4490 }
4491
4492 /**
4493  * Returns TRUE if self-view is enabled, FALSE otherwise.
4494  *
4495  * @ingroup media_parameters
4496  *
4497  * Refer to linphone_core_enable_self_view() for details.
4498 **/
4499 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4500         return lc->video_conf.selfview;
4501 }
4502
4503 /**
4504  * Sets the active video device.
4505  *
4506  * @ingroup media_parameters
4507  * @param lc The LinphoneCore object
4508  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4509 **/
4510 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4511         MSWebCam *olddev=lc->video_conf.device;
4512         const char *vd;
4513         if (id!=NULL){
4514                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4515                 if (lc->video_conf.device==NULL){
4516                         ms_warning("Could not find video device %s",id);
4517                 }
4518         }
4519         if (lc->video_conf.device==NULL)
4520                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4521         if (olddev!=NULL && olddev!=lc->video_conf.device){
4522                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4523         }
4524         if ( linphone_core_ready(lc) && lc->video_conf.device){
4525                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4526                 if (vd && strstr(vd,"Static picture")!=NULL){
4527                         vd=NULL;
4528                 }
4529                 lp_config_set_string(lc->config,"video","device",vd);
4530         }
4531         return 0;
4532 }
4533
4534 /**
4535  * Returns the name of the currently active video device.
4536  *
4537  * @param lc The LinphoneCore object
4538  * @ingroup media_parameters
4539 **/
4540 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4541         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4542         return NULL;
4543 }
4544
4545 #ifdef VIDEO_ENABLED
4546 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4547         VideoStream *vs = NULL;
4548         LinphoneCall *call=linphone_core_get_current_call (lc);
4549         /* Select the video stream from the call in the first place */
4550         if (call && call->videostream) {
4551                 vs = call->videostream;
4552         }
4553         /* If not in call, select the video stream from the preview */
4554         if (vs == NULL && lc->previewstream) {
4555                 vs = lc->previewstream;
4556         }
4557         return vs;
4558 }
4559 #endif
4560
4561 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4562 #ifdef VIDEO_ENABLED
4563         VideoStream *vs=get_active_video_stream(lc);
4564         /* If we have a video stream (either preview, either from call), we
4565                  have a source and it is using the static picture filter, then
4566                  force the filter to use that picture. */
4567         if (vs && vs->source) {
4568                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4569                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4570                                                                                                                 (void *)path);
4571                 }
4572         }
4573         /* Tell the static image filter to use that image from now on so
4574                  that the image will be used next time it has to be read */
4575         ms_static_image_set_default_image(path);
4576 #else
4577         ms_warning("Video support not compiled.");
4578 #endif
4579         return 0;
4580 }
4581
4582 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4583         const char *path=NULL;
4584 #ifdef VIDEO_ENABLED
4585         path=ms_static_image_get_default_image();
4586 #else
4587         ms_warning("Video support not compiled.");
4588 #endif
4589         return path;
4590 }
4591
4592 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4593 #ifdef VIDEO_ENABLED
4594         VideoStream *vs = NULL;
4595
4596         vs=get_active_video_stream(lc);
4597
4598         /* If we have a video stream (either preview, either from call), we
4599                  have a source and it is using the static picture filter, then
4600                  force the filter to use that picture. */
4601         if (vs && vs->source) {
4602                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4603                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4604                 }
4605         }
4606 #else
4607         ms_warning("Video support not compiled.");
4608 #endif
4609         return 0;
4610 }
4611
4612 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4613 #ifdef VIDEO_ENABLED
4614         VideoStream *vs = NULL;
4615         vs=get_active_video_stream(lc);
4616         /* If we have a video stream (either preview, either from call), we
4617                  have a source and it is using the static picture filter, then
4618                  force the filter to use that picture. */
4619         if (vs && vs->source) {
4620                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4621
4622                         float fps;
4623
4624                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4625                         return fps;
4626                 }
4627         }
4628 #else
4629         ms_warning("Video support not compiled.");
4630 #endif
4631         return 0;
4632 }
4633
4634 /**
4635  * Returns the native window handle of the video window, casted as an unsigned long.
4636  *
4637  * @ingroup media_parameters
4638 **/
4639 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4640 #ifdef VIDEO_ENABLED
4641         LinphoneCall *call=linphone_core_get_current_call (lc);
4642         if (call && call->videostream)
4643                 return video_stream_get_native_window_id(call->videostream);
4644         if (lc->previewstream)
4645                 return video_stream_get_native_window_id(lc->previewstream);
4646 #endif
4647         return lc->video_window_id;
4648 }
4649
4650 /**@ingroup media_parameters
4651  * Set the native video window id where the video is to be displayed.
4652  * If not set the core will create its own window.
4653 **/
4654 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4655 #ifdef VIDEO_ENABLED
4656         LinphoneCall *call=linphone_core_get_current_call(lc);
4657         lc->video_window_id=id;
4658         if (call!=NULL && call->videostream){
4659                 video_stream_set_native_window_id(call->videostream,id);
4660         }
4661 #endif
4662 }
4663
4664 /**
4665  * Returns the native window handle of the video preview window, casted as an unsigned long.
4666  *
4667  * @ingroup media_parameters
4668 **/
4669 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4670 #ifdef VIDEO_ENABLED
4671         LinphoneCall *call=linphone_core_get_current_call (lc);
4672         if (call && call->videostream)
4673                 return video_stream_get_native_preview_window_id(call->videostream);
4674         if (lc->previewstream)
4675                 return video_preview_get_native_window_id(lc->previewstream);
4676 #endif
4677         return lc->preview_window_id;
4678 }
4679
4680 /**
4681  * @ingroup media_parameters
4682  * Set the native window id where the preview video (local camera) is to be displayed.
4683  * This has to be used in conjonction with linphone_core_use_preview_window().
4684  * If not set the core will create its own window.
4685 **/
4686 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4687         lc->preview_window_id=id;
4688 #ifdef VIDEO_ENABLED
4689         LinphoneCall *call=linphone_core_get_current_call(lc);
4690         if (call!=NULL && call->videostream){
4691                 video_stream_set_native_preview_window_id(call->videostream,id);
4692         }else if (lc->previewstream){
4693                 video_preview_set_native_window_id(lc->previewstream,id);
4694         }
4695 #endif
4696 }
4697
4698 /**
4699  * Can be used to disable video showing to free XV port
4700 **/
4701 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4702 #ifdef VIDEO_ENABLED
4703         ms_error("linphone_core_show_video %d", show);
4704         LinphoneCall *call=linphone_core_get_current_call(lc);
4705         if (call!=NULL && call->videostream){
4706                 video_stream_show_video(call->videostream,show);
4707         }
4708 #endif
4709 }
4710
4711 /**
4712  * Tells the core to use a separate window for local camera preview video, instead of
4713  * inserting local view within the remote video window.
4714  *
4715 **/
4716 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4717         lc->use_preview_window=yesno;
4718 }
4719 /**
4720  * @ingroup media_parameters
4721  *returns current device orientation
4722  */
4723 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4724         return lc->device_rotation;
4725 }
4726 /**
4727  * @ingroup media_parameters
4728  * Tells the core the device current orientation. This can be used by capture filters
4729  * on mobile devices to select between portrait/landscape mode and to produce properly
4730  * oriented images. The exact meaning of the value in rotation if left to each device
4731  * specific implementations.
4732  *@param lc  object.
4733  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4734  *
4735 **/
4736 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4737         ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4738         lc->device_rotation = rotation;
4739 #ifdef VIDEO_ENABLED
4740         LinphoneCall *call=linphone_core_get_current_call(lc);
4741         if (call!=NULL && call->videostream){
4742                 video_stream_set_device_rotation(call->videostream,rotation);
4743         }
4744 #endif
4745 }
4746
4747 static MSVideoSizeDef supported_resolutions[]={
4748 #ifdef ENABLE_HD
4749         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4750         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4751 #endif
4752         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4753         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4754         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4755         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4756         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4757         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4758         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4759         {       {0,0}                   ,       NULL    }
4760 };
4761
4762 /**
4763  * Returns the zero terminated table of supported video resolutions.
4764  *
4765  * @ingroup media_parameters
4766 **/
4767 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4768         return supported_resolutions;
4769 }
4770
4771 static MSVideoSize video_size_get_by_name(const char *name){
4772         MSVideoSizeDef *pdef=supported_resolutions;
4773         MSVideoSize null_vsize={0,0};
4774         for(;pdef->name!=NULL;pdef++){
4775                 if (strcasecmp(name,pdef->name)==0){
4776                         return pdef->vsize;
4777                 }
4778         }
4779         ms_warning("Video resolution %s is not supported in linphone.",name);
4780         return null_vsize;
4781 }
4782
4783 static const char *video_size_get_name(MSVideoSize vsize){
4784         MSVideoSizeDef *pdef=supported_resolutions;
4785         for(;pdef->name!=NULL;pdef++){
4786                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4787                         return pdef->name;
4788                 }
4789         }
4790         return NULL;
4791 }
4792
4793 static bool_t video_size_supported(MSVideoSize vsize){
4794         if (video_size_get_name(vsize)) return TRUE;
4795         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4796         return FALSE;
4797 }
4798
4799 /**
4800  * Sets the preferred video size.
4801  *
4802  * @ingroup media_parameters
4803  * This applies only to the stream that is captured and sent to the remote party,
4804  * since we accept all standard video size on the receive path.
4805 **/
4806 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4807         if (video_size_supported(vsize)){
4808                 MSVideoSize oldvsize=lc->video_conf.vsize;
4809                 lc->video_conf.vsize=vsize;
4810                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4811                         toggle_video_preview(lc,FALSE);
4812                         toggle_video_preview(lc,TRUE);
4813                 }
4814                 if ( linphone_core_ready(lc))
4815                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4816         }
4817 }
4818
4819 /**
4820  * Sets the preferred video size by its name.
4821  *
4822  * @ingroup media_parameters
4823  * This is identical to linphone_core_set_preferred_video_size() except
4824  * that it takes the name of the video resolution as input.
4825  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4826 **/
4827 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4828         MSVideoSize vsize=video_size_get_by_name(name);
4829         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4830         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4831         else linphone_core_set_preferred_video_size(lc,default_vsize);
4832 }
4833
4834 /**
4835  * Returns the current preferred video size for sending.
4836  *
4837  * @ingroup media_parameters
4838 **/
4839 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4840         return lc->video_conf.vsize;
4841 }
4842
4843 /**
4844  * Ask the core to stream audio from and to files, instead of using the soundcard.
4845 **/
4846 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4847         lc->use_files=yesno;
4848 }
4849
4850 /**
4851  * Sets a wav file to be played when putting somebody on hold,
4852  * or when files are used instead of soundcards (see linphone_core_use_files()).
4853  *
4854  * The file must be a 16 bit linear wav file.
4855 **/
4856 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4857         LinphoneCall *call=linphone_core_get_current_call(lc);
4858         if (lc->play_file!=NULL){
4859                 ms_free(lc->play_file);
4860                 lc->play_file=NULL;
4861         }
4862         if (file!=NULL) {
4863                 lc->play_file=ms_strdup(file);
4864                 if (call && call->audiostream && call->audiostream->ms.ticker)
4865                         audio_stream_play(call->audiostream,file);
4866         }
4867 }
4868
4869
4870 /**
4871  * Sets a wav file where incoming stream is to be recorded,
4872  * when files are used instead of soundcards (see linphone_core_use_files()).
4873  *
4874  * This feature is different from call recording (linphone_call_params_set_record_file())
4875  * The file will be a 16 bit linear wav file.
4876 **/
4877 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4878         LinphoneCall *call=linphone_core_get_current_call(lc);
4879         if (lc->rec_file!=NULL){
4880                 ms_free(lc->rec_file);
4881                 lc->rec_file=NULL;
4882         }
4883         if (file!=NULL) {
4884                 lc->rec_file=ms_strdup(file);
4885                 if (call && call->audiostream)
4886                         audio_stream_record(call->audiostream,file);
4887         }
4888 }
4889
4890
4891 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4892         LinphoneCall *call=linphone_core_get_current_call (lc);
4893         AudioStream *stream=NULL;
4894         if (call){
4895                 stream=call->audiostream;
4896         }else if (linphone_core_is_in_conference(lc)){
4897                 stream=lc->conf_ctx.local_participant;
4898         }
4899         if (stream){
4900                 return stream->dtmfgen;
4901         }
4902         if (lc->ringstream==NULL){
4903                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4904                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4905                 if (ringcard == NULL)
4906                         return NULL;
4907
4908                 lc->ringstream=ring_start(NULL,0,ringcard);
4909                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4910                 lc->dmfs_playing_start_time=time(NULL);
4911         }else{
4912                 if (lc->dmfs_playing_start_time!=0)
4913                         lc->dmfs_playing_start_time=time(NULL);
4914         }
4915         return lc->ringstream->gendtmf;
4916 }
4917
4918 /**
4919  * @ingroup media_parameters
4920  * Plays a dtmf sound to the local user.
4921  * @param lc #LinphoneCore
4922  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4923  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4924 **/
4925 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4926         MSFilter *f=get_dtmf_gen(lc);
4927         if (f==NULL){
4928                 ms_error("No dtmf generator at this time !");
4929                 return;
4930         }
4931
4932         if (duration_ms>0)
4933                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4934         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4935 }
4936
4937 /**
4938  * @ingroup media_parameters
4939  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4940  * @param lc #LinphoneCore
4941 **/
4942 void linphone_core_play_tone(LinphoneCore *lc){
4943         MSFilter *f=get_dtmf_gen(lc);
4944         MSDtmfGenCustomTone def;
4945         if (f==NULL){
4946                 ms_error("No dtmf generator at this time !");
4947                 return;
4948         }
4949         memset(&def,0,sizeof(def));
4950         def.duration=300;
4951         def.frequencies[0]=500;
4952         def.amplitude=1;
4953         def.interval=2000;
4954         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4955 }
4956
4957 void linphone_core_play_named_tone(LinphoneCore *lc, LinphoneToneID toneid){
4958         if (linphone_core_tone_indications_enabled(lc)){
4959                 MSFilter *f=get_dtmf_gen(lc);
4960                 MSDtmfGenCustomTone def;
4961                 if (f==NULL){
4962                         ms_error("No dtmf generator at this time !");
4963                         return;
4964                 }
4965                 memset(&def,0,sizeof(def));
4966                 def.amplitude=1;
4967                 /*these are french tones, excepted the failed one, which is USA congestion tone (does not exist in France)*/
4968                 switch(toneid){
4969                         case LinphoneToneCallOnHold:
4970                         case LinphoneToneCallWaiting:
4971                                 def.duration=300;
4972                                 def.frequencies[0]=440;
4973                                 def.interval=2000;
4974                         break;
4975                         case LinphoneToneBusy:
4976                                 def.duration=500;
4977                                 def.frequencies[0]=440;
4978                                 def.interval=500;
4979                                 def.repeat_count=3;
4980                         break;
4981                         case LinphoneToneCallFailed:
4982                                 def.duration=250;
4983                                 def.frequencies[0]=480;
4984                                 def.frequencies[0]=620;
4985                                 def.interval=250;
4986                                 def.repeat_count=3;
4987
4988                         break;
4989                         default:
4990                                 ms_warning("Unhandled tone id.");
4991                 }
4992                 if (def.duration>0)
4993                         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4994         }
4995 }
4996
4997 /**
4998  * @ingroup media_parameters
4999  *
5000  * Stops playing a dtmf started by linphone_core_play_dtmf().
5001 **/
5002 void linphone_core_stop_dtmf(LinphoneCore *lc){
5003         MSFilter *f=get_dtmf_gen(lc);
5004         if (f!=NULL)
5005                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
5006 }
5007
5008
5009
5010 /**
5011  * Retrieves the user pointer that was given to linphone_core_new()
5012  *
5013  * @ingroup initializing
5014 **/
5015 void *linphone_core_get_user_data(LinphoneCore *lc){
5016         return lc->data;
5017 }
5018
5019
5020 /**
5021  * Associate a user pointer to the linphone core.
5022  *
5023  * @ingroup initializing
5024 **/
5025 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
5026         lc->data=userdata;
5027 }
5028
5029 int linphone_core_get_mtu(const LinphoneCore *lc){
5030         return lc->net_conf.mtu;
5031 }
5032
5033 /**
5034  * Sets the maximum transmission unit size in bytes.
5035  * This information is useful for sending RTP packets.
5036  * Default value is 1500.
5037  *
5038  * @ingroup media_parameters
5039 **/
5040 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
5041         lc->net_conf.mtu=mtu;
5042         if (mtu>0){
5043                 if (mtu<500){
5044                         ms_error("MTU too small !");
5045                         mtu=500;
5046                 }
5047                 ms_set_mtu(mtu);
5048                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
5049         }else ms_set_mtu(0);//use mediastreamer2 default value
5050 }
5051
5052 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
5053         lc->wait_cb=cb;
5054         lc->wait_ctx=user_context;
5055 }
5056
5057 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
5058         if (lc->wait_cb){
5059                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
5060         }
5061 }
5062
5063 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
5064         if (lc->wait_cb){
5065                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
5066         }else{
5067 #ifdef WIN32
5068                 Sleep(50000);
5069 #else
5070                 usleep(50000);
5071 #endif
5072         }
5073 }
5074
5075 void linphone_core_stop_waiting(LinphoneCore *lc){
5076         if (lc->wait_cb){
5077                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
5078         }
5079 }
5080
5081 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
5082         lc->rtptf=factories;
5083 }
5084
5085 /**
5086  * Retrieve RTP statistics regarding current call.
5087  * @param local RTP statistics computed locally.
5088  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
5089  *
5090  * @note Remote RTP statistics is not implemented yet.
5091  *
5092  * @returns 0 or -1 if no call is running.
5093 **/
5094
5095 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
5096         LinphoneCall *call=linphone_core_get_current_call (lc);
5097         if (call!=NULL){
5098                 if (call->audiostream!=NULL){
5099                         memset(remote,0,sizeof(*remote));
5100                         audio_stream_get_local_rtp_stats (call->audiostream,local);
5101                         return 0;
5102                 }
5103         }
5104         return -1;
5105 }
5106
5107 void net_config_uninit(LinphoneCore *lc)
5108 {
5109         net_config_t *config=&lc->net_conf;
5110
5111         if (config->stun_server!=NULL){
5112                 ms_free(lc->net_conf.stun_server);
5113         }
5114         if (config->nat_address!=NULL){
5115                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
5116                 ms_free(lc->net_conf.nat_address);
5117         }
5118         if (lc->net_conf.nat_address_ip !=NULL){
5119                 ms_free(lc->net_conf.nat_address_ip);
5120         }
5121         lp_config_set_int(lc->config,"net","mtu",config->mtu);
5122 }
5123
5124
5125 void sip_config_uninit(LinphoneCore *lc)
5126 {
5127         MSList *elem;
5128         int i;
5129         sip_config_t *config=&lc->sip_conf;
5130
5131         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
5132         lp_config_set_string(lc->config,"sip","contact",config->contact);
5133         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
5134         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
5135         lp_config_set_int(lc->config,"sip","delayed_timeout",config->delayed_timeout);
5136         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
5137         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
5138         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
5139         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
5140         lp_config_set_int(lc->config,"sip","register_only_when_upnp_is_ok",config->register_only_when_upnp_is_ok);
5141
5142
5143
5144         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
5145                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
5146                 linphone_proxy_config_edit(cfg);        /* to unregister */
5147         }
5148
5149         for (i=0;i<20;i++){
5150                 sal_iterate(lc->sal);
5151 #ifndef WIN32
5152                 usleep(100000);
5153 #else
5154                 Sleep(100);
5155 #endif
5156         }
5157
5158         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
5159         ms_list_free(config->proxies);
5160         config->proxies=NULL;
5161
5162         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
5163
5164         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
5165         ms_list_free(lc->auth_info);
5166         lc->auth_info=NULL;
5167
5168         sal_uninit(lc->sal);
5169         lc->sal=NULL;
5170
5171         if (lc->sip_conf.guessed_contact)
5172                 ms_free(lc->sip_conf.guessed_contact);
5173         if (config->contact)
5174                 ms_free(config->contact);
5175
5176 }
5177
5178 void rtp_config_uninit(LinphoneCore *lc)
5179 {
5180         rtp_config_t *config=&lc->rtp_conf;
5181         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
5182                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
5183         } else {
5184                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
5185         }
5186         if (config->video_rtp_min_port == config->video_rtp_max_port) {
5187                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
5188         } else {
5189                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
5190         }
5191         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
5192         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
5193         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
5194         lp_config_set_int(lc->config,"rtp","audio_adaptive_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
5195         lp_config_set_int(lc->config,"rtp","video_adaptive_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
5196 }
5197
5198 static void sound_config_uninit(LinphoneCore *lc)
5199 {
5200         sound_config_t *config=&lc->sound_conf;
5201         ms_free(config->cards);
5202
5203         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
5204         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
5205         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
5206
5207         if (config->local_ring) ms_free(config->local_ring);
5208         if (config->remote_ring) ms_free(config->remote_ring);
5209         ms_snd_card_manager_destroy();
5210 }
5211
5212 static void video_config_uninit(LinphoneCore *lc)
5213 {
5214         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
5215         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
5216         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
5217         if (lc->video_conf.cams)
5218                 ms_free(lc->video_conf.cams);
5219 }
5220
5221 void _linphone_core_codec_config_write(LinphoneCore *lc){
5222         if (linphone_core_ready(lc)){
5223                 PayloadType *pt;
5224                 codecs_config_t *config=&lc->codecs_conf;
5225                 MSList *node;
5226                 char key[50];
5227                 int index;
5228                 index=0;
5229                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
5230                         pt=(PayloadType*)(node->data);
5231                         sprintf(key,"audio_codec_%i",index);
5232                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5233                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5234                         lp_config_set_int(lc->config,key,"channels",pt->channels);
5235                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5236                         index++;
5237                 }
5238                 sprintf(key,"audio_codec_%i",index);
5239                 lp_config_clean_section (lc->config,key);
5240
5241                 index=0;
5242                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
5243                         pt=(PayloadType*)(node->data);
5244                         sprintf(key,"video_codec_%i",index);
5245                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
5246                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
5247                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
5248                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
5249                         index++;
5250                 }
5251                 sprintf(key,"video_codec_%i",index);
5252                 lp_config_clean_section (lc->config,key);
5253         }
5254 }
5255
5256 static void codecs_config_uninit(LinphoneCore *lc)
5257 {
5258         _linphone_core_codec_config_write(lc);
5259         ms_list_free(lc->codecs_conf.audio_codecs);
5260         ms_list_free(lc->codecs_conf.video_codecs);
5261 }
5262
5263 void ui_config_uninit(LinphoneCore* lc)
5264 {
5265         if (lc->friends){
5266                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
5267                 ms_list_free(lc->friends);
5268                 lc->friends=NULL;
5269         }
5270 }
5271
5272 /**
5273  * Returns the LpConfig object used to manage the storage (config) file.
5274  *
5275  * @ingroup misc
5276  * The application can use the LpConfig object to insert its own private
5277  * sections and pairs of key=value in the configuration file.
5278  *
5279 **/
5280 LpConfig *linphone_core_get_config(LinphoneCore *lc){
5281         return lc->config;
5282 }
5283
5284 static void linphone_core_uninit(LinphoneCore *lc)
5285 {
5286         linphone_core_free_hooks(lc);
5287         while(lc->calls)
5288         {
5289                 LinphoneCall *the_call = lc->calls->data;
5290                 linphone_core_terminate_call(lc,the_call);
5291                 linphone_core_iterate(lc);
5292 #ifdef WIN32
5293                 Sleep(50000);
5294 #else
5295                 usleep(50000);
5296 #endif
5297         }
5298 #ifdef BUILD_UPNP
5299         if(lc->upnp != NULL) {
5300                 linphone_upnp_context_destroy(lc->upnp);
5301                 lc->upnp = NULL;
5302         }
5303 #endif //BUILD_UPNP
5304
5305         if (lc->friends)
5306                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
5307         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
5308 #ifdef VIDEO_ENABLED
5309         if (lc->previewstream!=NULL){
5310                 video_preview_stop(lc->previewstream);
5311                 lc->previewstream=NULL;
5312         }
5313 #endif
5314         ms_event_queue_destroy(lc->msevq);
5315         lc->msevq=NULL;
5316         /* save all config */
5317         net_config_uninit(lc);
5318         rtp_config_uninit(lc);
5319         if (lc->ringstream) ring_stop(lc->ringstream);
5320         sound_config_uninit(lc);
5321         video_config_uninit(lc);
5322         codecs_config_uninit(lc);
5323         ui_config_uninit(lc);
5324         sip_config_uninit(lc);
5325         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
5326         lp_config_destroy(lc->config);
5327         lc->config = NULL; /* Mark the config as NULL to block further calls */
5328         sip_setup_unregister_all();
5329
5330         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
5331         lc->call_logs=ms_list_free(lc->call_logs);
5332
5333         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
5334         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
5335
5336         // Free struct variable
5337         if(lc->zrtp_secrets_cache != NULL) {
5338                 ms_free(lc->zrtp_secrets_cache);
5339         }
5340         if(lc->play_file!=NULL){
5341                 ms_free(lc->play_file);
5342         }
5343         if(lc->rec_file!=NULL){
5344                 ms_free(lc->rec_file);
5345         }
5346
5347         linphone_core_free_payload_types(lc);
5348
5349         linphone_core_message_storage_close(lc);
5350         ortp_exit();
5351         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
5352 #ifdef TUNNEL_ENABLED
5353         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
5354 #endif
5355 }
5356
5357 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
5358         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
5359         // second get the list of available proxies
5360         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5361         for(;elem!=NULL;elem=elem->next){
5362                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5363                 if (linphone_proxy_config_register_enabled(cfg) ) {
5364                         if (!isReachable) {
5365                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5366                         }else{
5367                                 cfg->commit=TRUE;
5368                         }
5369                 }
5370         }
5371         lc->netup_time=curtime;
5372         lc->network_reachable=isReachable;
5373
5374         if(!isReachable) {
5375                 sal_reset_transports(lc->sal);
5376         }
5377 #ifdef BUILD_UPNP
5378         if(lc->upnp == NULL) {
5379                 if(isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5380                         lc->upnp = linphone_upnp_context_new(lc);
5381                 }
5382         } else {
5383                 if(!isReachable && lc->net_conf.firewall_policy == LinphonePolicyUseUpnp) {
5384                         linphone_upnp_context_destroy(lc->upnp);
5385                         lc->upnp = NULL;
5386                 }
5387         }
5388 #endif
5389 }
5390
5391 void linphone_core_refresh_registers(LinphoneCore* lc) {
5392         const MSList *elem;
5393         if (!lc->network_reachable) {
5394                 ms_warning("Refresh register operation not available (network unreachable)");
5395                 return;
5396         }
5397         elem=linphone_core_get_proxy_config_list(lc);
5398         for(;elem!=NULL;elem=elem->next){
5399                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5400                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5401                         linphone_proxy_config_refresh_register(cfg);
5402                 }
5403         }
5404 }
5405
5406 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5407         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5408         for(;elem!=NULL;elem=elem->next){
5409                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5410                 if (linphone_proxy_config_register_enabled(cfg)) {
5411                         linphone_proxy_config_edit(cfg);
5412                         linphone_proxy_config_done(cfg);
5413                 }
5414         }
5415 }
5416
5417 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5418         //first disable automatic mode
5419         if (lc->auto_net_state_mon) {
5420                 ms_message("Disabling automatic network state monitoring");
5421                 lc->auto_net_state_mon=FALSE;
5422         }
5423         set_network_reachable(lc,isReachable, ms_time(NULL));
5424 }
5425
5426 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5427         return lc->network_reachable;
5428 }
5429 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5430         return sal_get_socket(lc->sal);
5431 }
5432 /**
5433  * Destroys a LinphoneCore
5434  *
5435  * @ingroup initializing
5436 **/
5437 void linphone_core_destroy(LinphoneCore *lc){
5438         linphone_core_uninit(lc);
5439         ms_free(lc);
5440 }
5441 /**
5442  * Get the number of Call
5443  *
5444  * @ingroup call_control
5445 **/
5446 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5447         return  ms_list_size(lc->calls);;
5448 }
5449
5450 /**
5451  * Check if we do not have exceed the number of simultaneous call
5452  *
5453  * @ingroup call_control
5454 **/
5455 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5456 {
5457         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5458                 return TRUE;
5459         ms_message("Maximum amount of simultaneous calls reached !");
5460         return FALSE;
5461 }
5462
5463
5464 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5465 {
5466         if(linphone_core_can_we_add_call(lc))
5467         {
5468                 lc->calls = ms_list_append(lc->calls,call);
5469                 return 0;
5470         }
5471         return -1;
5472 }
5473
5474 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5475 {
5476         MSList *it;
5477         MSList *the_calls = lc->calls;
5478
5479         it=ms_list_find(the_calls,call);
5480         if (it)
5481         {
5482                 the_calls = ms_list_remove_link(the_calls,it);
5483         }
5484         else
5485         {
5486                 ms_warning("could not find the call into the list\n");
5487                 return -1;
5488         }
5489         lc->calls = the_calls;
5490         return 0;
5491 }
5492
5493 /**
5494  * Specifiies a ring back tone to be played to far end during incoming calls.
5495 **/
5496 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5497         if (lc->sound_conf.ringback_tone){
5498                 ms_free(lc->sound_conf.ringback_tone);
5499                 lc->sound_conf.ringback_tone=NULL;
5500         }
5501         if (file)
5502                 lc->sound_conf.ringback_tone=ms_strdup(file);
5503 }
5504
5505 /**
5506  * Returns the ring back tone played to far end during incoming calls.
5507 **/
5508 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5509         return lc->sound_conf.ringback_tone;
5510 }
5511
5512 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5513         const MSList *elem;
5514         for(elem=from;elem!=NULL;elem=elem->next){
5515                 PayloadType *pt=(PayloadType*)elem->data;
5516                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5517                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5518                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5519                         return pt;
5520                 }
5521         }
5522         return NULL;
5523 }
5524
5525
5526 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5527         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5528         if (result)  {
5529                 return result;
5530         } else {
5531                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5532                 if (result) {
5533                         return result;
5534                 }
5535         }
5536         /*not found*/
5537         return NULL;
5538 }
5539
5540 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5541         switch(gs){
5542                 case LinphoneGlobalOff:
5543                         return "LinphoneGlobalOff";
5544                 break;
5545                 case LinphoneGlobalOn:
5546                         return "LinphoneGlobalOn";
5547                 break;
5548                 case LinphoneGlobalStartup:
5549                         return "LinphoneGlobalStartup";
5550                 break;
5551                 case LinphoneGlobalShutdown:
5552                         return "LinphoneGlobalShutdown";
5553                 break;
5554         }
5555         return NULL;
5556 }
5557
5558 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5559         return lc->state;
5560 }
5561
5562 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5563         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5564         linphone_core_init_default_params(lc, p);
5565         return p;
5566 }
5567
5568 const char *linphone_reason_to_string(LinphoneReason err){
5569         switch(err){
5570                 case LinphoneReasonNone:
5571                         return "No error";
5572                 case LinphoneReasonNoResponse:
5573                         return "No response";
5574                 case LinphoneReasonBadCredentials:
5575                         return "Bad credentials";
5576                 case LinphoneReasonDeclined:
5577                         return "Call declined";
5578                 case LinphoneReasonNotFound:
5579                         return "User not found";
5580                 case LinphoneReasonNotAnswered:
5581                         return "Not answered";
5582                 case LinphoneReasonBusy:
5583                         return "Busy";
5584         }
5585         return "unknown error";
5586 }
5587
5588 const char *linphone_error_to_string(LinphoneReason err){
5589         return linphone_reason_to_string(err);
5590 }
5591 /**
5592  * Enables signaling keep alive
5593  */
5594 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5595 #ifdef BUILD_UPNP
5596         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp) {
5597                 enable = FALSE;
5598         }
5599 #endif //BUILD_UPNP
5600         if (enable > 0) {
5601                 sal_use_tcp_tls_keepalive(lc->sal,lc->sip_conf.tcp_tls_keepalive);
5602                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5603         } else {
5604                 sal_set_keepalive_period(lc->sal,0);
5605         }
5606 }
5607 /**
5608  * Is signaling keep alive enabled
5609  */
5610 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5611         return sal_get_keepalive_period(lc->sal) > 0;
5612 }
5613
5614 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5615         get_dtmf_gen(lc); /*make sure ring stream is started*/
5616         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5617 }
5618
5619 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5620         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5621                 ring_stop(lc->ringstream);
5622                 lc->ringstream=NULL;
5623         }
5624 }
5625
5626 int linphone_core_get_max_calls(LinphoneCore *lc) {
5627         return lc->max_calls;
5628 }
5629 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5630         lc->max_calls=max;
5631 }
5632
5633 typedef struct Hook{
5634         LinphoneCoreIterateHook fun;
5635         void *data;
5636 }Hook;
5637
5638 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5639         Hook *h=ms_new(Hook,1);
5640         h->fun=hook;
5641         h->data=hook_data;
5642         return h;
5643 }
5644
5645 static void hook_invoke(Hook *h){
5646         h->fun(h->data);
5647 }
5648
5649 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5650         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5651 }
5652
5653 static void linphone_core_run_hooks(LinphoneCore *lc){
5654         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5655 }
5656
5657 static void linphone_core_free_hooks(LinphoneCore *lc){
5658         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5659         ms_list_free(lc->hooks);
5660         lc->hooks=NULL;
5661 }
5662
5663 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5664         MSList *elem;
5665         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5666                 Hook *h=(Hook*)elem->data;
5667                 if (h->fun==hook && h->data==hook_data){
5668                         lc->hooks = ms_list_remove_link(lc->hooks,elem);
5669                         ms_free(h);
5670                         return;
5671                 }
5672         }
5673         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5674 }
5675
5676 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5677         if (lc->zrtp_secrets_cache != NULL) {
5678                 ms_free(lc->zrtp_secrets_cache);
5679         }
5680         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5681 }
5682
5683 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5684         return lc->zrtp_secrets_cache;
5685 }
5686
5687 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5688         if (uri == NULL) return NULL;
5689         MSList *calls=lc->calls;
5690         while(calls) {
5691                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5692                 calls=calls->next;
5693                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5694                 char *current_uri=linphone_address_as_string_uri_only(address);
5695                 if (strcmp(uri,current_uri)==0) {
5696                         ms_free(current_uri);
5697                         return c;
5698                 } else {
5699                         ms_free(current_uri);
5700                 }
5701         }
5702         return NULL;
5703 }
5704
5705
5706 /**
5707  * Check if a call will need the sound resources.
5708  *
5709  * @ingroup call_control
5710  * @param lc The LinphoneCore
5711 **/
5712 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5713         MSList *calls=lc->calls;
5714         while(calls) {
5715                 LinphoneCall *c=(LinphoneCall*)calls->data;
5716                 calls=calls->next;
5717                 switch (c->state) {
5718                         case LinphoneCallOutgoingInit:
5719                         case LinphoneCallOutgoingProgress:
5720                         case LinphoneCallOutgoingRinging:
5721                         case LinphoneCallOutgoingEarlyMedia:
5722                         case LinphoneCallConnected:
5723                         case LinphoneCallRefered:
5724                         case LinphoneCallIncomingEarlyMedia:
5725                         case LinphoneCallUpdating:
5726                                 return TRUE;
5727                         default:
5728                                 break;
5729                 }
5730         }
5731         return FALSE;
5732 }
5733
5734 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5735         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5736 }
5737
5738 /**
5739  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5740 **/
5741 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5742         switch(menc){
5743                 case LinphoneMediaEncryptionSRTP:
5744                         return ortp_srtp_supported();
5745                 case LinphoneMediaEncryptionZRTP:
5746                         return ortp_zrtp_available();
5747                 case LinphoneMediaEncryptionNone:
5748                         return TRUE;
5749         }
5750         return FALSE;
5751 }
5752
5753 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5754         const char *type="none";
5755         int ret=0;
5756         if (menc == LinphoneMediaEncryptionSRTP){
5757                 if (!ortp_srtp_supported()){
5758                         ms_warning("SRTP not supported by library.");
5759                         type="none";
5760                         ret=-1;
5761                 }else type="srtp";
5762         }else if (menc == LinphoneMediaEncryptionZRTP){
5763                 if (!ortp_zrtp_available()){
5764                         ms_warning("ZRTP not supported by library.");
5765                         type="none";
5766                         ret=-1;
5767                 }else type="zrtp";
5768         }
5769         lp_config_set_string(lc->config,"sip","media_encryption",type);
5770         return ret;
5771 }
5772
5773 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5774         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5775
5776         if (menc == NULL)
5777                 return LinphoneMediaEncryptionNone;
5778         else if (strcmp(menc, "srtp")==0)
5779                 return LinphoneMediaEncryptionSRTP;
5780         else if (strcmp(menc, "zrtp")==0)
5781                 return LinphoneMediaEncryptionZRTP;
5782         else
5783                 return LinphoneMediaEncryptionNone;
5784 }
5785
5786 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5787         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5788 }
5789
5790 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5791         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5792 }
5793
5794 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5795         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5796         params->media_encryption=linphone_core_get_media_encryption(lc);
5797         params->in_conference=FALSE;
5798 }
5799
5800 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5801         if (lc->device_id) ms_free(lc->device_id);
5802         lc->device_id=ms_strdup(device_id);
5803 }
5804 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5805         return lc->device_id;
5806 }
5807
5808 /**
5809  * Set the DSCP field for SIP signaling channel.
5810  *
5811  * @ingroup network_parameters
5812  * * The DSCP defines the quality of service in IP packets.
5813  *
5814 **/
5815 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5816         sal_set_dscp(lc->sal,dscp);
5817         if (linphone_core_ready(lc)){
5818                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5819                 apply_transports(lc);
5820         }
5821 }
5822
5823 /**
5824  * Get the DSCP field for SIP signaling channel.
5825  *
5826  * @ingroup network_parameters
5827  * * The DSCP defines the quality of service in IP packets.
5828  *
5829 **/
5830 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5831         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5832 }
5833
5834 /**
5835  * Set the DSCP field for outgoing audio streams.
5836  *
5837  * @ingroup network_parameters
5838  * The DSCP defines the quality of service in IP packets.
5839  *
5840 **/
5841 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5842         if (linphone_core_ready(lc))
5843                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5844 }
5845
5846 /**
5847  * Get the DSCP field for outgoing audio streams.
5848  *
5849  * @ingroup network_parameters
5850  * The DSCP defines the quality of service in IP packets.
5851  *
5852 **/
5853 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5854         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5855 }
5856
5857 /**
5858  * Set the DSCP field for outgoing video streams.
5859  *
5860  * @ingroup network_parameters
5861  * The DSCP defines the quality of service in IP packets.
5862  *
5863 **/
5864 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5865         if (linphone_core_ready(lc))
5866                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5867
5868 }
5869
5870 /**
5871  * Get the DSCP field for outgoing video streams.
5872  *
5873  * @ingroup network_parameters
5874  * The DSCP defines the quality of service in IP packets.
5875  *
5876 **/
5877 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5878         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5879 }
5880
5881
5882 /**
5883  * Sets the database filename where chat messages will be stored.
5884  * If the file does not exist, it will be created.
5885  * @ingroup initializing
5886  * @param lc the linphone core
5887  * @param path filesystem path
5888 **/
5889 void linphone_core_set_chat_database_path(LinphoneCore *lc, const char *path){
5890         if (lc->chat_db_file){
5891                 ms_free(lc->chat_db_file);
5892                 lc->chat_db_file=NULL;
5893         }
5894         if (path) {
5895                 lc->chat_db_file=ms_strdup(path);
5896                 linphone_core_message_storage_init(lc);
5897         }
5898 }
5899
5900