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