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