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