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