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

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