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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 #include "liblinphone_gitversion.h"
  46
  47 /*#define UNSTANDART_GSM_11K 1*/
  48
  49 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  50
  51 static const char *liblinphone_version=
  52 #ifdef LIBLINPHONE_GIT_VERSION
  53         LIBLINPHONE_GIT_VERSION
  54 #else
  55         LIBLINPHONE_VERSION
  56 #endif
  57 ;
  58 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  59 static void linphone_core_run_hooks(LinphoneCore *lc);
  60 static void linphone_core_free_hooks(LinphoneCore *lc);
  61
  62 #include "enum.h"
  63 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  64 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  65 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  66
  67 /* relative path where is stored local ring*/
  68 #define LOCAL_RING "rings/oldphone.wav"
  69 /* same for remote ring (ringback)*/
  70 #define REMOTE_RING "ringback.wav"
  71 #define HOLD_MUSIC "rings/toy-mono.wav"
  72
  73
  74 extern SalCallbacks linphone_sal_callbacks;
  75
  76 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  77 {
  78   obj->_func=func;
  79   obj->_user_data=ud;
  80 }
  81
  82 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  83         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  84         return 0;
  85 }
  86
  87
  88 /*prevent a gcc bug with %c*/
  89 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  90 #if !defined(_WIN32_WCE)
  91         return strftime(s, max, fmt, tm);
  92 #else
  93         return 0;
  94         /*FIXME*/
  95 #endif /*_WIN32_WCE*/
  96 }
  97
  98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  99         struct tm loctime;
 100 #ifdef WIN32
 101 #if !defined(_WIN32_WCE)
 102         loctime=*localtime(&start_time);
 103         /*FIXME*/
 104 #endif /*_WIN32_WCE*/
 105 #else
 106         localtime_r(&start_time,&loctime);
 107 #endif
 108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 109 }
 110
 111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 113         cl->dir=call->dir;
 114         cl->start_date_time=call->start_time;
 115         set_call_log_date(cl,cl->start_date_time);
 116         cl->from=from;
 117         cl->to=to;
 118     cl->status=LinphoneCallAborted; /*default status*/
 119         return cl;
 120 }
 121
 122 void call_logs_write_to_config_file(LinphoneCore *lc){
 123         MSList *elem;
 124         char logsection[32];
 125         int i;
 126         char *tmp;
 127         LpConfig *cfg=lc->config;
 128
 129         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 130
 131         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 132                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 133                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 134                 lp_config_clean_section(cfg,logsection);
 135                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 136                 lp_config_set_int(cfg,logsection,"status",cl->status);
 137                 tmp=linphone_address_as_string(cl->from);
 138                 lp_config_set_string(cfg,logsection,"from",tmp);
 139                 ms_free(tmp);
 140                 tmp=linphone_address_as_string(cl->to);
 141                 lp_config_set_string(cfg,logsection,"to",tmp);
 142                 ms_free(tmp);
 143                 if (cl->start_date_time)
 144                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 145                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 146                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 147                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 148                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 149                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 150                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 151         }
 152         for(;i<lc->max_call_logs;++i){
 153                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 154                 lp_config_clean_section(cfg,logsection);
 155         }
 156 }
 157
 158 static time_t string_to_time(const char *date){
 159 #ifndef WIN32
 160         struct tm tmtime={0};
 161         strptime(date,"%c",&tmtime);
 162         return mktime(&tmtime);
 163 #else
 164         return 0;
 165 #endif
 166 }
 167
 168 static void call_logs_read_from_config_file(LinphoneCore *lc){
 169         char logsection[32];
 170         int i;
 171         const char *tmp;
 172         uint64_t sec;
 173         LpConfig *cfg=lc->config;
 174         for(i=0;;++i){
 175                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 176                 if (lp_config_has_section(cfg,logsection)){
 177                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 178                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 179                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 180                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 181                         if (tmp) cl->from=linphone_address_new(tmp);
 182                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 183                         if (tmp) cl->to=linphone_address_new(tmp);
 184                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 185                         if (sec) {
 186                                 /*new call log format with date expressed in seconds */
 187                                 cl->start_date_time=(time_t)sec;
 188                                 set_call_log_date(cl,cl->start_date_time);
 189                         }else{
 190                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 191                                 if (tmp) {
 192                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 193                                         cl->start_date_time=string_to_time(cl->start_date);
 194                                 }
 195                         }
 196                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 197                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 198                         if (tmp) cl->refkey=ms_strdup(tmp);
 199                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 200                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 201                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 202                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 203                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 204                 }else break;
 205         }
 206 }
 207
 208
 209
 210 /**
 211  * @addtogroup call_logs
 212  * @{
 213 **/
 214
 215 /**
 216  * Returns a human readable string describing the call.
 217  *
 218  * @note: the returned char* must be freed by the application (use ms_free()).
 219 **/
 220 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 221         char *status;
 222         char *tmp;
 223         char *from=linphone_address_as_string (cl->from);
 224         char *to=linphone_address_as_string (cl->to);
 225         switch(cl->status){
 226                 case LinphoneCallAborted:
 227                         status=_("aborted");
 228                         break;
 229                 case LinphoneCallSuccess:
 230                         status=_("completed");
 231                         break;
 232                 case LinphoneCallMissed:
 233                         status=_("missed");
 234                         break;
 235                 default:
 236                         status="unknown";
 237         }
 238         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 239                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 240                         cl->start_date,
 241                         from,
 242                         to,
 243                         status,
 244                         cl->duration/60,
 245                         cl->duration%60);
 246         ms_free(from);
 247         ms_free(to);
 248         return tmp;
 249 }
 250
 251 /**
 252  * Returns RTP statistics computed locally regarding the call.
 253  *
 254 **/
 255 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 256         return &cl->local_stats;
 257 }
 258
 259 /**
 260  * Returns RTP statistics computed by remote end and sent back via RTCP.
 261  *
 262  * @note Not implemented yet.
 263 **/
 264 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 265         return &cl->remote_stats;
 266 }
 267
 268 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 269         cl->user_pointer=up;
 270 }
 271
 272 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 273         return cl->user_pointer;
 274 }
 275
 276
 277
 278 /**
 279  * Associate a persistent reference key to the call log.
 280  *
 281  * The reference key can be for example an id to an external database.
 282  * It is stored in the config file, thus can survive to process exits/restarts.
 283  *
 284 **/
 285 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 286         if (cl->refkey!=NULL){
 287                 ms_free(cl->refkey);
 288                 cl->refkey=NULL;
 289         }
 290         if (refkey) cl->refkey=ms_strdup(refkey);
 291 }
 292
 293 /**
 294  * Get the persistent reference key associated to the call log.
 295  *
 296  * The reference key can be for example an id to an external database.
 297  * It is stored in the config file, thus can survive to process exits/restarts.
 298  *
 299 **/
 300 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 301         return cl->refkey;
 302 }
 303
 304 /** @} */
 305
 306 void linphone_call_log_destroy(LinphoneCallLog *cl){
 307         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 308         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 309         if (cl->refkey!=NULL) ms_free(cl->refkey);
 310         if (cl->call_id) ms_free((void*)cl->call_id);
 311         ms_free(cl);
 312 }
 313
 314 /**
 315  * Returns TRUE if the LinphoneCall asked to autoanswer
 316  *
 317 **/
 318 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 319         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 320         if(call)
 321                 return sal_call_autoanswer_asked(call->op);
 322         else
 323                 return FALSE;
 324 }
 325
 326 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 327         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 328         if (call)  return linphone_call_get_duration(call);
 329         return -1;
 330 }
 331
 332 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 333         LinphoneCall *call=linphone_core_get_current_call(lc);
 334         if (call==NULL) return NULL;
 335         return linphone_call_get_remote_address(call);
 336 }
 337
 338 /**
 339  * Enable logs in supplied FILE*.
 340  *
 341  * @ingroup misc
 342  *
 343  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 344  *
 345 **/
 346 void linphone_core_enable_logs(FILE *file){
 347         if (file==NULL) file=stdout;
 348         ortp_set_log_file(file);
 349         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 350 }
 351
 352 /**
 353  * Enable logs through the user's supplied log callback.
 354  *
 355  * @ingroup misc
 356  *
 357  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 358  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 359  *
 360 **/
 361 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 362         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 363         ortp_set_log_handler(logfunc);
 364 }
 365
 366 /**
 367  * Entirely disable logging.
 368  *
 369  * @ingroup misc
 370 **/
 371 void linphone_core_disable_logs(){
 372         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 373 }
 374
 375
 376 static void net_config_read (LinphoneCore *lc)
 377 {
 378         int tmp;
 379         const char *tmpstr;
 380         LpConfig *config=lc->config;
 381
 382         lc->net_conf.nat_address_ip = NULL;
 383         tmp=lp_config_get_int(config,"net","download_bw",0);
 384         linphone_core_set_download_bandwidth(lc,tmp);
 385         tmp=lp_config_get_int(config,"net","upload_bw",0);
 386         linphone_core_set_upload_bandwidth(lc,tmp);
 387         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 388         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 389         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 390         linphone_core_set_nat_address(lc,tmpstr);
 391         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 392         linphone_core_set_firewall_policy(lc,tmp);
 393         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 394         lc->net_conf.nat_sdp_only=tmp;
 395         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 396         linphone_core_set_mtu(lc,tmp);
 397         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 398         linphone_core_set_download_ptime(lc,tmp);
 399
 400 }
 401
 402 static void build_sound_devices_table(LinphoneCore *lc){
 403         const char **devices;
 404         const char **old;
 405         int ndev;
 406         int i;
 407         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 408         ndev=ms_list_size(elem);
 409         devices=ms_malloc((ndev+1)*sizeof(const char *));
 410         for (i=0;elem!=NULL;elem=elem->next,i++){
 411                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 412         }
 413         devices[ndev]=NULL;
 414         old=lc->sound_conf.cards;
 415         lc->sound_conf.cards=devices;
 416         if (old!=NULL) ms_free(old);
 417 }
 418
 419 static void sound_config_read(LinphoneCore *lc)
 420 {
 421         int tmp;
 422         const char *tmpbuf;
 423         const char *devid;
 424         float gain=0;
 425 #ifdef __linux
 426         /*alsadev let the user use custom alsa device within linphone*/
 427         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 428         if (devid){
 429                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 430                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 431         }
 432         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 433         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 434 #endif
 435         /* retrieve all sound devices */
 436         build_sound_devices_table(lc);
 437
 438         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 439         linphone_core_set_playback_device(lc,devid);
 440
 441         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 442         linphone_core_set_ringer_device(lc,devid);
 443
 444         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 445         linphone_core_set_capture_device(lc,devid);
 446
 447 /*
 448         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 449         linphone_core_set_play_level(lc,tmp);
 450         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 451         linphone_core_set_ring_level(lc,tmp);
 452         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 453         linphone_core_set_rec_level(lc,tmp);
 454         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 455         linphone_core_set_sound_source(lc,tmpbuf[0]);
 456 */
 457
 458         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 459         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 460         if (ortp_file_exist(tmpbuf)==-1) {
 461                 ms_warning("%s does not exist",tmpbuf);
 462                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         }
 464         if (strstr(tmpbuf,".wav")==NULL){
 465                 /* it currently uses old sound files, so replace them */
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         linphone_core_set_ring(lc,tmpbuf);
 469
 470         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 471         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 472         if (ortp_file_exist(tmpbuf)==-1){
 473                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 474         }
 475         if (strstr(tmpbuf,".wav")==NULL){
 476                 /* it currently uses old sound files, so replace them */
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         linphone_core_set_ringback(lc,tmpbuf);
 480
 481         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 482         check_sound_device(lc);
 483         lc->sound_conf.latency=0;
 484 #ifndef __ios
 485     tmp=TRUE;
 486 #else
 487     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 488 #endif
 489     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 490         linphone_core_enable_echo_cancellation(lc,tmp);
 491         linphone_core_enable_echo_limiter(lc,
 492                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 493         linphone_core_enable_agc(lc,
 494                 lp_config_get_int(lc->config,"sound","agc",0));
 495
 496         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 497         linphone_core_set_playback_gain_db (lc,gain);
 498
 499         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 500
 501         /*just parse requested stream feature once at start to print out eventual errors*/
 502         linphone_core_get_audio_features(lc);
 503 }
 504
 505 static void sip_config_read(LinphoneCore *lc)
 506 {
 507         char *contact;
 508         const char *tmpstr;
 509         LCSipTransports tr;
 510         int i,tmp;
 511         int ipv6;
 512         int random_port;
 513
 514         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 515         linphone_core_set_use_info_for_dtmf(lc,tmp);
 516
 517         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 518                 sal_use_session_timers(lc->sal,200);
 519         }
 520
 521         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 522         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 523         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 524         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 525
 526         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 527         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 528
 529         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 530         if (ipv6==-1){
 531                 ipv6=0;
 532         }
 533         linphone_core_enable_ipv6(lc,ipv6);
 534         memset(&tr,0,sizeof(tr));
 535
 536         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 537         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 538         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 539
 540         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 541                 random_port=(0xDFFF&random())+1024;
 542         else random_port=0;
 543
 544         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 545                 tr.udp_port=5060;
 546         }
 547
 548         if (tr.udp_port>0 && random_port){
 549                 tr.udp_port=random_port;
 550                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 551         }else if (tr.tcp_port>0 && random_port){
 552                 tr.tcp_port=random_port;
 553                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 554         }else if (tr.tls_port>0 && random_port){
 555                 tr.tls_port=random_port;
 556                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 557         }
 558
 559 #ifdef __linux
 560         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 561 #else
 562         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 563 #endif
 564         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 565         /*start listening on ports*/
 566         linphone_core_set_sip_transports(lc,&tr);
 567
 568         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 569         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 570                 const char *hostname=NULL;
 571                 const char *username=NULL;
 572 #ifdef HAVE_GETENV
 573                 hostname=getenv("HOST");
 574                 username=getenv("USER");
 575                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 576 #endif /*HAVE_GETENV*/
 577                 if (hostname==NULL)
 578                         hostname="unknown-host";
 579                 if (username==NULL){
 580                         username="toto";
 581                 }
 582                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 583                 linphone_core_set_primary_contact(lc,contact);
 584                 ms_free(contact);
 585         }
 586
 587         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 588         linphone_core_set_guess_hostname(lc,tmp);
 589
 590
 591         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 592         linphone_core_set_inc_timeout(lc,tmp);
 593
 594         /* get proxies config */
 595         for(i=0;; i++){
 596                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 597                 if (cfg!=NULL){
 598                         linphone_core_add_proxy_config(lc,cfg);
 599                 }else{
 600                         break;
 601                 }
 602         }
 603         /* get the default proxy */
 604         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 605         linphone_core_set_default_proxy_index(lc,tmp);
 606
 607         /* read authentication information */
 608         for(i=0;; i++){
 609                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 610                 if (ai!=NULL){
 611                         linphone_core_add_auth_info(lc,ai);
 612                         linphone_auth_info_destroy(ai);
 613                 }else{
 614                         break;
 615                 }
 616         }
 617         /*this is to filter out unsupported encryption schemes*/
 618         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 619
 620         /*for tuning or test*/
 621         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 622         lc->sip_conf.register_only_when_network_is_up=
 623                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 624         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 625         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 626         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 627         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 628         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 629         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 630         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 631         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 632 }
 633
 634 static void rtp_config_read(LinphoneCore *lc)
 635 {
 636         int min_port, max_port;
 637         int jitt_comp;
 638         int nortp_timeout;
 639         bool_t rtp_no_xmit_on_audio_mute;
 640         bool_t adaptive_jitt_comp_enabled;
 641
 642         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 643                 if (min_port <= 0) min_port = 1;
 644                 if (max_port > 65535) max_port = 65535;
 645                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 646         } else {
 647                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 648                 linphone_core_set_audio_port(lc, min_port);
 649         }
 650
 651         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 652                 if (min_port <= 0) min_port = 1;
 653                 if (max_port > 65535) max_port = 65535;
 654                 linphone_core_set_video_port_range(lc, min_port, max_port);
 655         } else {
 656                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 657                 linphone_core_set_video_port(lc, min_port);
 658         }
 659
 660         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 661         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 662         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 663         if (jitt_comp==0) jitt_comp=60;
 664         linphone_core_set_video_jittcomp(lc,jitt_comp);
 665         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 666         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 667         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 668         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 669         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 670         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 671         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 672         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 673 }
 674
 675 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 676         PayloadType *candidate=NULL;
 677         int i;
 678         PayloadType *it;
 679         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 680                 it=rtp_profile_get_payload(prof,i);
 681                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 682                         && (clock_rate==it->clock_rate || clock_rate<=0)
 683                         && (channels==it->channels || channels<=0) ){
 684                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 685                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 686                                 /*exact match*/
 687                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 688                                 return it;
 689                         }else {
 690                                 if (candidate){
 691                                         if (it->recv_fmtp==NULL) candidate=it;
 692                                 }else candidate=it;
 693                         }
 694                 }
 695         }
 696         if (candidate && recv_fmtp){
 697                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 698         }
 699         return candidate;
 700 }
 701
 702 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 703         char codeckey[50];
 704         const char *mime,*fmtp;
 705         int rate,channels,enabled;
 706         PayloadType *pt;
 707
 708         *ret=NULL;
 709         snprintf(codeckey,50,"%s_%i",type,index);
 710         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 711         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 712
 713         rate=lp_config_get_int(config,codeckey,"rate",8000);
 714         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 715         channels=lp_config_get_int(config,codeckey,"channels",0);
 716         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 717         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 718         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 719         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 720         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 721                         mime,rate,fmtp ? fmtp : "");
 722         *ret=pt;
 723         return TRUE;
 724 }
 725
 726 #define RANK_END 10000
 727
 728 typedef struct codec_desc{
 729         const char *name;
 730         int rate;
 731 }codec_desc_t;
 732
 733 static codec_desc_t codec_pref_order[]={
 734         {"SILK", 16000},
 735         {"speex", 16000},
 736         {"speex", 8000},
 737         {"pcmu",8000},
 738         {"pcma",8000},
 739         {"VP8",90000},
 740         {"H264",90000},
 741         {"MP4V-ES",90000},
 742         {NULL,0}
 743 };
 744
 745 static int find_codec_rank(const char *mime, int clock_rate){
 746         int i;
 747         for(i=0;codec_pref_order[i].name!=NULL;++i){
 748                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 749                         return i;
 750         }
 751         return RANK_END;
 752 }
 753
 754 static int codec_compare(const PayloadType *a, const PayloadType *b){
 755         int ra,rb;
 756         ra=find_codec_rank(a->mime_type,a->clock_rate);
 757         rb=find_codec_rank(b->mime_type,b->clock_rate);
 758         if (ra>rb) return 1;
 759         if (ra<rb) return -1;
 760         return 0;
 761 }
 762
 763 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 764         int i;
 765         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 766                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 767                 if (pt){
 768                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 769                                 pt=NULL;
 770                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 771                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 772                                 pt=NULL;
 773                         }
 774                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 775                                 if (ms_list_find(l,pt)==NULL){
 776                                         /*unranked codecs are disabled by default*/
 777                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 778                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 779                                         }
 780                                         ms_message("Adding new codec %s/%i with fmtp %s",
 781                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 782                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 783                                 }
 784                         }
 785                 }
 786         }
 787         return l;
 788 }
 789
 790 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 791         MSList *elem;
 792         for (elem=l;elem!=NULL;elem=elem->next){
 793                 PayloadType *ept=(PayloadType*)elem->data;
 794                 if (pt==ept)
 795                         return l;
 796         }
 797         l=ms_list_append(l,pt);
 798         return l;
 799 }
 800
 801 static void codecs_config_read(LinphoneCore *lc)
 802 {
 803         int i;
 804         PayloadType *pt;
 805         MSList *audio_codecs=NULL;
 806         MSList *video_codecs=NULL;
 807         for (i=0;get_codec(lc->config,"audio_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 audio_codecs=codec_append_if_new(audio_codecs,pt);
 812                 }
 813         }
 814         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 815         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 816                 if (pt){
 817                         if (!ms_filter_codec_supported(pt->mime_type)){
 818                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 819                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 820                 }
 821         }
 822         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 823         linphone_core_set_audio_codecs(lc,audio_codecs);
 824         linphone_core_set_video_codecs(lc,video_codecs);
 825         linphone_core_update_allocated_audio_bandwidth(lc);
 826 }
 827
 828 static void build_video_devices_table(LinphoneCore *lc){
 829         const MSList *elem;
 830         int i;
 831         int ndev;
 832         const char **devices;
 833         if (lc->video_conf.cams)
 834                 ms_free(lc->video_conf.cams);
 835         /* retrieve all video devices */
 836         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 837         ndev=ms_list_size(elem);
 838         devices=ms_malloc((ndev+1)*sizeof(const char *));
 839         for (i=0;elem!=NULL;elem=elem->next,i++){
 840                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 841         }
 842         devices[ndev]=NULL;
 843         lc->video_conf.cams=devices;
 844 }
 845
 846 static void video_config_read(LinphoneCore *lc){
 847 #ifdef VIDEO_ENABLED
 848         int capture, display, self_view;
 849 #endif
 850         const char *str;
 851 #ifdef VIDEO_ENABLED
 852         LinphoneVideoPolicy vpol;
 853         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 854 #endif
 855         build_video_devices_table(lc);
 856
 857         str=lp_config_get_string(lc->config,"video","device",NULL);
 858         if (str && str[0]==0) str=NULL;
 859         linphone_core_set_video_device(lc,str);
 860
 861         linphone_core_set_preferred_video_size_by_name(lc,
 862                 lp_config_get_string(lc->config,"video","size","cif"));
 863
 864 #ifdef VIDEO_ENABLED
 865         capture=lp_config_get_int(lc->config,"video","capture",1);
 866         display=lp_config_get_int(lc->config,"video","display",1);
 867         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 868         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 869         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 870         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 871         if(lc->video_conf.displaytype)
 872                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 873
 874         linphone_core_enable_video(lc,capture,display);
 875         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 876         linphone_core_enable_self_view(lc,self_view);
 877         linphone_core_set_video_policy(lc,&vpol);
 878 #endif
 879 }
 880
 881 static void ui_config_read(LinphoneCore *lc)
 882 {
 883         LinphoneFriend *lf;
 884         int i;
 885         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 886                 linphone_core_add_friend(lc,lf);
 887         }
 888         call_logs_read_from_config_file(lc);
 889 }
 890
 891 /*
 892 static void autoreplier_config_init(LinphoneCore *lc)
 893 {
 894         autoreplier_config_t *config=&lc->autoreplier_conf;
 895         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 896         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 897         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 898         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 899         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 900         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 901 }
 902 */
 903
 904 bool_t linphone_core_tunnel_available(void){
 905 #ifdef TUNNEL_ENABLED
 906         return TRUE;
 907 #else
 908         return FALSE;
 909 #endif
 910 }
 911
 912 /**
 913  * Enable adaptive rate control (experimental feature, audio-only).
 914  *
 915  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 916  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 917  * available bandwidth.
 918 **/
 919 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 920         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 921 }
 922
 923 /**
 924  * Returns whether adaptive rate control is enabled.
 925  *
 926  * See linphone_core_enable_adaptive_rate_control().
 927 **/
 928 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 929         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 930 }
 931
 932 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 933         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 934 }
 935
 936 /**
 937  * Sets maximum available download bandwidth
 938  *
 939  * @ingroup media_parameters
 940  *
 941  * This is IP bandwidth, in kbit/s.
 942  * This information is used signaled to other parties during
 943  * calls (within SDP messages) so that the remote end can have
 944  * sufficient knowledge to properly configure its audio & video
 945  * codec output bitrate to not overflow available bandwidth.
 946  *
 947  * @param lc the LinphoneCore object
 948  * @param bw the bandwidth in kbits/s, 0 for infinite
 949  */
 950 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 951         lc->net_conf.download_bw=bw;
 952         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 953 }
 954
 955 /**
 956  * Sets maximum available upload bandwidth
 957  *
 958  * @ingroup media_parameters
 959  *
 960  * This is IP bandwidth, in kbit/s.
 961  * This information is used by liblinphone together with remote
 962  * side available bandwidth signaled in SDP messages to properly
 963  * configure audio & video codec's output bitrate.
 964  *
 965  * @param lc the LinphoneCore object
 966  * @param bw the bandwidth in kbits/s, 0 for infinite
 967  */
 968 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 969         lc->net_conf.upload_bw=bw;
 970         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 971 }
 972
 973 /**
 974  * Retrieve the maximum available download bandwidth.
 975  *
 976  * @ingroup media_parameters
 977  *
 978  * This value was set by linphone_core_set_download_bandwidth().
 979  *
 980 **/
 981 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 982         return lc->net_conf.download_bw;
 983 }
 984
 985 /**
 986  * Retrieve the maximum available upload bandwidth.
 987  *
 988  * @ingroup media_parameters
 989  *
 990  * This value was set by linphone_core_set_upload_bandwidth().
 991  *
 992 **/
 993 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 994         return lc->net_conf.upload_bw;
 995 }
 996 /**
 997  * Set audio packetization time linphone expects to receive from peer
 998  */
 999 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1000         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1001 }
1002
1003 /**
1004  * Get audio packetization time linphone expects to receive from peer
1005  */
1006 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1007         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1008 }
1009
1010 /**
1011  * Set audio packetization time linphone will send (in absence of requirement from peer)
1012  * A value of 0 stands for the current codec default packetization time.
1013  *
1014 **/
1015 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1016         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1017 }
1018
1019 /**
1020  * Set audio packetization time linphone will send (in absence of requirement from peer)
1021  * A value of 0 stands for the current codec default packetization time.
1022  *
1023 **/
1024 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1025         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1026 }
1027
1028
1029
1030 /**
1031  * Returns liblinphone's version as a string.
1032  *
1033  * @ingroup misc
1034  *
1035 **/
1036 const char * linphone_core_get_version(void){
1037         return liblinphone_version;
1038 }
1039
1040 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1041         PayloadType *pt;
1042         pt=payload_type_clone(const_pt);
1043         if (number==-1){
1044                 /*look for a free number */
1045                 MSList *elem;
1046                 int i;
1047                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1048                         bool_t already_assigned=FALSE;
1049                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1050                                 PayloadType *it=(PayloadType*)elem->data;
1051                                 if (payload_type_get_number(it)==i){
1052                                         already_assigned=TRUE;
1053                                         break;
1054                                 }
1055                         }
1056                         if (!already_assigned){
1057                                 number=i;
1058                                 lc->dyn_pt=i+1;
1059                                 break;
1060                         }
1061                 }
1062                 if (number==-1){
1063                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1064                 }
1065         }
1066         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1067         payload_type_set_number(pt,number);
1068         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1069         rtp_profile_set_payload(&av_profile,number,pt);
1070         lc->payload_types=ms_list_append(lc->payload_types,pt);
1071 }
1072
1073 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1074         RtpProfile *prof=&av_profile;
1075         int i;
1076         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1077                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1078                 if (pt){
1079                         if (payload_type_get_number(pt)!=i){
1080                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1081                         }
1082                 }
1083         }
1084 }
1085
1086 static void linphone_core_free_payload_types(LinphoneCore *lc){
1087         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1088         ms_list_free(lc->payload_types);
1089         lc->payload_types=NULL;
1090 }
1091
1092 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1093         lc->state=gstate;
1094         if (lc->vtable.global_state_changed){
1095                 lc->vtable.global_state_changed(lc,gstate,message);
1096         }
1097 }
1098 static void misc_config_read (LinphoneCore *lc) {
1099         LpConfig *config=lc->config;
1100     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1101     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1102 }
1103
1104
1105
1106
1107 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1108     const char *factory_config_path, void * userdata)
1109 {
1110         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1111         memset (lc, 0, sizeof (LinphoneCore));
1112         lc->data=userdata;
1113         lc->ringstream_autorelease=TRUE;
1114
1115         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1116
1117         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1118         ortp_init();
1119         lc->dyn_pt=96;
1120         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1121         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1122         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1123         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1124         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1125         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1126         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1127         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1128
1129 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1130         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1131          - to workaround potential packet losses
1132          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1133          */
1134         _linphone_core_configure_resolver();
1135 #endif
1136
1137 #ifdef ENABLE_NONSTANDARD_GSM
1138         {
1139                 PayloadType *pt;
1140                 pt=payload_type_clone(&payload_type_gsm);
1141                 pt->clock_rate=11025;
1142                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1143                 pt->clock_rate=22050;
1144                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1145                 payload_type_destroy(pt);
1146         }
1147 #endif
1148
1149 #ifdef VIDEO_ENABLED
1150         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1151         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1152         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1153         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1154         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1155         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1156         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1157         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1158         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1159 #endif
1160
1161         /*add all payload type for which we don't care about the number */
1162         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1163         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1164         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1165         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1166         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1167         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1168         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1169         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1170         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1171         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1172         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1173         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1174         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1175         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1176         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1177         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1178         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1179         linphone_core_handle_static_payloads(lc);
1180
1181         ms_init();
1182         /* create a mediastreamer2 event queue and set it as global */
1183         /* This allows to run event's callback in linphone_core_iterate() */
1184         lc->msevq=ms_event_queue_new();
1185         ms_set_global_event_queue(lc->msevq);
1186
1187         lc->config=lp_config_new(config_path);
1188         if (factory_config_path)
1189                 lp_config_read_file(lc->config,factory_config_path);
1190
1191         lc->sal=sal_init();
1192         sal_set_user_pointer(lc->sal,lc);
1193         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1194
1195         lc->network_last_check = 0;
1196         lc->network_last_status = FALSE;
1197
1198         sip_setup_register_all();
1199         sound_config_read(lc);
1200         net_config_read(lc);
1201         rtp_config_read(lc);
1202         codecs_config_read(lc);
1203         sip_config_read(lc); /* this will start eXosip*/
1204         video_config_read(lc);
1205         //autoreplier_config_init(&lc->autoreplier_conf);
1206         lc->presence_mode=LinphoneStatusOnline;
1207         misc_config_read(lc);
1208         ui_config_read(lc);
1209 #ifdef TUNNEL_ENABLED
1210         lc->tunnel=linphone_core_tunnel_new(lc);
1211         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1212 #endif
1213         if (lc->vtable.display_status)
1214                 lc->vtable.display_status(lc,_("Ready"));
1215         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1216         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1217 }
1218
1219 /**
1220  * Instanciates a LinphoneCore object.
1221  * @ingroup initializing
1222  *
1223  * The LinphoneCore object is the primary handle for doing all phone actions.
1224  * It should be unique within your application.
1225  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1226  * @param config_path a path to a config file. If it does not exists it will be created.
1227  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1228  *             become persistent over the life of the LinphoneCore object.
1229  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1230  * @param factory_config_path a path to a read-only config file that can be used to
1231  *        to store hard-coded preference such as proxy settings or internal preferences.
1232  *        The settings in this factory file always override the one in the normal config file.
1233  *        It is OPTIONAL, use NULL if unneeded.
1234  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1235  *        callbacks) using linphone_core_get_user_data().
1236  *
1237 **/
1238 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1239                                                 const char *config_path, const char *factory_config_path, void * userdata)
1240 {
1241         LinphoneCore *core=ms_new(LinphoneCore,1);
1242         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1243         return core;
1244 }
1245
1246 /**
1247  * Returns the list of available audio codecs.
1248  *
1249  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1250  * structure holding the codec information.
1251  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1252  * (such as the order of codecs).
1253 **/
1254 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1255 {
1256         return lc->codecs_conf.audio_codecs;
1257 }
1258
1259 /**
1260  * Returns the list of available video codecs.
1261  *
1262  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1263  * structure holding the codec information.
1264  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1265  * (such as the order of codecs).
1266 **/
1267 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1268 {
1269         return lc->codecs_conf.video_codecs;
1270 }
1271
1272 /**
1273  * Sets the local "from" identity.
1274  *
1275  * @ingroup proxies
1276  * This data is used in absence of any proxy configuration or when no
1277  * default proxy configuration is set. See LinphoneProxyConfig
1278 **/
1279 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1280 {
1281         LinphoneAddress *ctt;
1282
1283         if ((ctt=linphone_address_new(contact))==0) {
1284                 ms_error("Bad contact url: %s",contact);
1285                 return -1;
1286         }
1287         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1288         lc->sip_conf.contact=ms_strdup(contact);
1289         if (lc->sip_conf.guessed_contact!=NULL){
1290                 ms_free(lc->sip_conf.guessed_contact);
1291                 lc->sip_conf.guessed_contact=NULL;
1292         }
1293         linphone_address_destroy(ctt);
1294         return 0;
1295 }
1296
1297
1298 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1299 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1300         const char *ip;
1301         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1302             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1303                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1304                 return;
1305         }
1306         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1307                 return;
1308         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1309         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1310 }
1311
1312 static void update_primary_contact(LinphoneCore *lc){
1313         char *guessed=NULL;
1314         char tmp[LINPHONE_IPADDR_SIZE];
1315
1316         LinphoneAddress *url;
1317         if (lc->sip_conf.guessed_contact!=NULL){
1318                 ms_free(lc->sip_conf.guessed_contact);
1319                 lc->sip_conf.guessed_contact=NULL;
1320         }
1321         url=linphone_address_new(lc->sip_conf.contact);
1322         if (!url){
1323                 ms_error("Could not parse identity contact !");
1324                 url=linphone_address_new("sip:unknown@unkwownhost");
1325         }
1326         linphone_core_get_local_ip(lc, NULL, tmp);
1327         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1328                 ms_warning("Local loopback network only !");
1329                 lc->sip_conf.loopback_only=TRUE;
1330         }else lc->sip_conf.loopback_only=FALSE;
1331         linphone_address_set_domain(url,tmp);
1332         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1333         guessed=linphone_address_as_string(url);
1334         lc->sip_conf.guessed_contact=guessed;
1335         linphone_address_destroy(url);
1336 }
1337
1338 /**
1339  * Returns the default identity when no proxy configuration is used.
1340  *
1341  * @ingroup proxies
1342 **/
1343 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1344         char *identity;
1345
1346         if (lc->sip_conf.guess_hostname){
1347                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1348                         update_primary_contact(lc);
1349                 }
1350                 identity=lc->sip_conf.guessed_contact;
1351         }else{
1352                 identity=lc->sip_conf.contact;
1353         }
1354         return identity;
1355 }
1356
1357 /**
1358  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1359  *
1360  * @ingroup proxies
1361 **/
1362 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1363         lc->sip_conf.guess_hostname=val;
1364 }
1365
1366 /**
1367  * Returns TRUE if hostname part of primary contact is guessed automatically.
1368  *
1369  * @ingroup proxies
1370 **/
1371 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1372         return lc->sip_conf.guess_hostname;
1373 }
1374
1375 /**
1376  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1377  * instead of const char*
1378  *
1379  * @ingroup proxies
1380 **/
1381 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1382         return linphone_address_new(linphone_core_get_primary_contact(lc));
1383 }
1384
1385 /**
1386  * Sets the list of audio codecs.
1387  *
1388  * @ingroup media_parameters
1389  * The list is taken by the LinphoneCore thus the application should not free it.
1390  * This list is made of struct PayloadType describing the codec parameters.
1391 **/
1392 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1393 {
1394         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1395         lc->codecs_conf.audio_codecs=codecs;
1396         _linphone_core_codec_config_write(lc);
1397         return 0;
1398 }
1399
1400 /**
1401  * Sets the list of video codecs.
1402  *
1403  * @ingroup media_parameters
1404  * The list is taken by the LinphoneCore thus the application should not free it.
1405  * This list is made of struct PayloadType describing the codec parameters.
1406 **/
1407 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1408 {
1409         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1410         lc->codecs_conf.video_codecs=codecs;
1411         _linphone_core_codec_config_write(lc);
1412         return 0;
1413 }
1414
1415 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1416 {
1417         return lc->friends;
1418 }
1419
1420 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1421 {
1422         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1423 }
1424
1425 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1426 {
1427         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1428 }
1429
1430 /**
1431  * Returns the nominal audio jitter buffer size in milliseconds.
1432  *
1433  * @ingroup media_parameters
1434 **/
1435 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1436 {
1437         return lc->rtp_conf.audio_jitt_comp;
1438 }
1439
1440 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1441 {
1442         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1443 }
1444
1445 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1446 {
1447         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1448 }
1449
1450 /**
1451  * Returns the nominal video jitter buffer size in milliseconds.
1452  *
1453  * @ingroup media_parameters
1454 **/
1455 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1456 {
1457         return lc->rtp_conf.video_jitt_comp;
1458 }
1459
1460 /**
1461  * Returns the UDP port used for audio streaming.
1462  *
1463  * @ingroup network_parameters
1464 **/
1465 int linphone_core_get_audio_port(const LinphoneCore *lc)
1466 {
1467         return lc->rtp_conf.audio_rtp_min_port;
1468 }
1469
1470 /**
1471  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1472  *
1473  * @ingroup network_parameters
1474  */
1475 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1476 {
1477         *min_port = lc->rtp_conf.audio_rtp_min_port;
1478         *max_port = lc->rtp_conf.audio_rtp_max_port;
1479 }
1480
1481 /**
1482  * Returns the UDP port used for video streaming.
1483  *
1484  * @ingroup network_parameters
1485 **/
1486 int linphone_core_get_video_port(const LinphoneCore *lc){
1487         return lc->rtp_conf.video_rtp_min_port;
1488 }
1489
1490 /**
1491  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1492  *
1493  * @ingroup network_parameters
1494  */
1495 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1496 {
1497         *min_port = lc->rtp_conf.video_rtp_min_port;
1498         *max_port = lc->rtp_conf.video_rtp_max_port;
1499 }
1500
1501
1502 /**
1503  * Returns the value in seconds of the no-rtp timeout.
1504  *
1505  * @ingroup media_parameters
1506  * When no RTP or RTCP packets have been received for a while
1507  * LinphoneCore will consider the call is broken (remote end crashed or
1508  * disconnected from the network), and thus will terminate the call.
1509  * The no-rtp timeout is the duration above which the call is considered broken.
1510 **/
1511 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1512         return lc->rtp_conf.nortp_timeout;
1513 }
1514
1515 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1516         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1517 }
1518
1519 /**
1520  * Sets the nominal audio jitter buffer size in milliseconds.
1521  *
1522  * @ingroup media_parameters
1523 **/
1524 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1525 {
1526         lc->rtp_conf.audio_jitt_comp=value;
1527 }
1528
1529 /**
1530  * Sets the nominal video jitter buffer size in milliseconds.
1531  *
1532  * @ingroup media_parameters
1533 **/
1534 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1535 {
1536         lc->rtp_conf.video_jitt_comp=value;
1537 }
1538
1539 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1540         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1541 }
1542
1543 /**
1544  * Sets the UDP port used for audio streaming.
1545  *
1546  * @ingroup network_parameters
1547 **/
1548 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1549 {
1550         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1551 }
1552
1553 /**
1554  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1555  */
1556 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1557 {
1558         lc->rtp_conf.audio_rtp_min_port=min_port;
1559         lc->rtp_conf.audio_rtp_max_port=max_port;
1560 }
1561
1562 /**
1563  * Sets the UDP port used for video streaming.
1564  *
1565  * @ingroup network_parameters
1566 **/
1567 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1568         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1569 }
1570
1571 /**
1572  * Sets the UDP port range from which to randomly select the port used for video streaming.
1573  */
1574 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1575 {
1576         lc->rtp_conf.video_rtp_min_port=min_port;
1577         lc->rtp_conf.video_rtp_max_port=max_port;
1578 }
1579
1580 /**
1581  * Sets the no-rtp timeout value in seconds.
1582  *
1583  * @ingroup media_parameters
1584  * See linphone_core_get_nortp_timeout() for details.
1585 **/
1586 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1587         lc->rtp_conf.nortp_timeout=nortp_timeout;
1588 }
1589
1590 /**
1591  * Indicates whether SIP INFO is used for sending digits.
1592  *
1593  * @ingroup media_parameters
1594 **/
1595 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1596 {
1597         return lc->sip_conf.use_info;
1598 }
1599
1600 /**
1601  * Sets whether SIP INFO is to be used for sending digits.
1602  *
1603  * @ingroup media_parameters
1604 **/
1605 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1606 {
1607         lc->sip_conf.use_info=use_info;
1608 }
1609
1610 /**
1611  * Indicates whether RFC2833 is used for sending digits.
1612  *
1613  * @ingroup media_parameters
1614 **/
1615 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1616 {
1617         return lc->sip_conf.use_rfc2833;
1618 }
1619
1620 /**
1621  * Sets whether RFC2833 is to be used for sending digits.
1622  *
1623  * @ingroup media_parameters
1624 **/
1625 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1626 {
1627         lc->sip_conf.use_rfc2833=use_rfc2833;
1628 }
1629
1630 /**
1631  * Returns the UDP port used by SIP.
1632  *
1633  * Deprecated: use linphone_core_get_sip_transports() instead.
1634  * @ingroup network_parameters
1635 **/
1636 int linphone_core_get_sip_port(LinphoneCore *lc)
1637 {
1638         LCSipTransports *tr=&lc->sip_conf.transports;
1639         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1640 }
1641
1642 static char _ua_name[64]="Linphone";
1643 static char _ua_version[64]=LINPHONE_VERSION;
1644
1645 #ifdef HAVE_EXOSIP_GET_VERSION
1646 extern const char *eXosip_get_version();
1647 #endif
1648
1649 static void apply_user_agent(LinphoneCore *lc){
1650         char ua_string[256];
1651         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1652 #ifdef HAVE_EXOSIP_GET_VERSION
1653                  eXosip_get_version()
1654 #else
1655                  "unknown"
1656 #endif
1657         );
1658         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1659 }
1660
1661 /**
1662  * Sets the user agent string used in SIP messages.
1663  *
1664  * @ingroup misc
1665 **/
1666 void linphone_core_set_user_agent(const char *name, const char *ver){
1667         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1668         strncpy(_ua_version,ver,sizeof(_ua_version));
1669 }
1670
1671 const char *linphone_core_get_user_agent_name(void){
1672         return _ua_name;
1673 }
1674
1675 const char *linphone_core_get_user_agent_version(void){
1676         return _ua_version;
1677 }
1678
1679 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1680         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1681         ms_warning("%s",msg);
1682         if (lc->vtable.display_warning)
1683                 lc->vtable.display_warning(lc,msg);
1684         ms_free(msg);
1685 }
1686
1687 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1688         return
1689                 tr2->udp_port==tr1->udp_port &&
1690                 tr2->tcp_port==tr1->tcp_port &&
1691                 tr2->dtls_port==tr1->dtls_port &&
1692                 tr2->tls_port==tr1->tls_port;
1693 }
1694
1695 static int apply_transports(LinphoneCore *lc){
1696         Sal *sal=lc->sal;
1697         const char *anyaddr;
1698         LCSipTransports *tr=&lc->sip_conf.transports;
1699
1700         /*first of all invalidate all current registrations so that we can register again with new transports*/
1701         __linphone_core_invalidate_registers(lc);
1702
1703         if (lc->sip_conf.ipv6_enabled)
1704                 anyaddr="::0";
1705         else
1706                 anyaddr="0.0.0.0";
1707
1708         sal_unlisten_ports(sal);
1709         if (tr->udp_port>0){
1710                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1711                         transport_error(lc,"udp",tr->udp_port);
1712                         return -1;
1713                 }
1714         }
1715         if (tr->tcp_port>0){
1716                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1717                         transport_error(lc,"tcp",tr->tcp_port);
1718                 }
1719         }
1720         if (tr->tls_port>0){
1721                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1722                         transport_error(lc,"tls",tr->tls_port);
1723                 }
1724         }
1725         apply_user_agent(lc);
1726         return 0;
1727 }
1728
1729 /**
1730  * Sets the ports to be used for each of transport (UDP or TCP)
1731  *
1732  * A zero value port for a given transport means the transport
1733  * is not used.
1734  *
1735  * @ingroup network_parameters
1736 **/
1737 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1738
1739         if (transports_unchanged(tr,&lc->sip_conf.transports))
1740                 return 0;
1741         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1742
1743         if (linphone_core_ready(lc)){
1744                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1745                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1746                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1747         }
1748
1749         if (lc->sal==NULL) return 0;
1750         return apply_transports(lc);
1751 }
1752
1753 /**
1754  * Retrieves the ports used for each transport (udp, tcp).
1755  * A zero value port for a given transport means the transport
1756  * is not used.
1757  * @ingroup network_parameters
1758 **/
1759 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1760         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1761         return 0;
1762 }
1763
1764 /**
1765  * Sets the UDP port to be used by SIP.
1766  *
1767  * Deprecated: use linphone_core_set_sip_transports() instead.
1768  * @ingroup network_parameters
1769 **/
1770 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1771 {
1772         LCSipTransports tr;
1773         memset(&tr,0,sizeof(tr));
1774         tr.udp_port=port;
1775         linphone_core_set_sip_transports (lc,&tr);
1776 }
1777
1778 /**
1779  * Returns TRUE if IPv6 is enabled.
1780  *
1781  * @ingroup network_parameters
1782  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1783 **/
1784 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1785         return lc->sip_conf.ipv6_enabled;
1786 }
1787
1788 /**
1789  * Turns IPv6 support on or off.
1790  *
1791  * @ingroup network_parameters
1792  *
1793  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1794  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1795  * By default IPv6 support is off.
1796 **/
1797 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1798         if (lc->sip_conf.ipv6_enabled!=val){
1799                 lc->sip_conf.ipv6_enabled=val;
1800                 if (lc->sal){
1801                         /* we need to restart eXosip */
1802                         apply_transports(lc);
1803                 }
1804         }
1805 }
1806
1807
1808 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1809         char result[LINPHONE_IPADDR_SIZE];
1810         bool_t new_status=lc->network_last_status;
1811
1812         /* only do the network up checking every five seconds */
1813         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1814                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1815                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1816                         new_status=TRUE;
1817                 }else new_status=FALSE;
1818                 lc->network_last_check=curtime;
1819                 if (new_status!=lc->network_last_status) {
1820                         if (new_status){
1821                                 ms_message("New local ip address is %s",result);
1822                         }
1823                         set_network_reachable(lc,new_status, curtime);
1824                         lc->network_last_status=new_status;
1825                 }
1826         }
1827 }
1828
1829 static void proxy_update(LinphoneCore *lc){
1830         MSList *elem,*next;
1831         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1832         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1833                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1834                 next=elem->next;
1835                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1836                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1837                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1838                         linphone_proxy_config_destroy(cfg);
1839                 }
1840         }
1841 }
1842
1843 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1844         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1845         if (lf!=NULL){
1846                 lf->info=info;
1847                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1848                 if (lc->vtable.buddy_info_updated)
1849                         lc->vtable.buddy_info_updated(lc,lf);
1850         }else{
1851                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1852         }
1853 }
1854
1855 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1856         MSList *elem;
1857         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1858         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1859                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1860                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1861                         if (req->results!=NULL){
1862                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1863                                 ms_list_free(req->results);
1864                                 req->results=NULL;
1865                                 assign_buddy_info(lc,i);
1866                         }
1867                         sip_setup_context_buddy_lookup_free(ctx,req);
1868                         elem->data=NULL;
1869                 }
1870         }
1871         /*purge completed requests */
1872         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1873                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1874         }
1875 }
1876
1877 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1878         const MSList *elem;
1879         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1880         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1881                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1882                 if (lf->info==NULL){
1883                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1884                                 if (linphone_address_get_username(lf->uri)!=NULL){
1885                                         BuddyLookupRequest *req;
1886                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1887                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1888                                         buddy_lookup_request_set_key(req,tmp);
1889                                         buddy_lookup_request_set_max_results(req,1);
1890                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1891                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1892                                         ms_free(tmp);
1893                                 }
1894                         }
1895                 }
1896         }
1897 }
1898
1899 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1900         LinphoneProxyConfig *cfg=NULL;
1901         linphone_core_get_default_proxy(lc,&cfg);
1902         if (cfg){
1903                 if (lc->bl_refresh){
1904                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1905                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1906                                 linphone_core_grab_buddy_infos(lc,cfg);
1907                                 lc->bl_refresh=FALSE;
1908                         }
1909                 }
1910                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1911         }
1912 }
1913
1914 /**
1915  * Main loop function. It is crucial that your application call it periodically.
1916  *
1917  * @ingroup initializing
1918  * linphone_core_iterate() performs various backgrounds tasks:
1919  * - receiving of SIP messages
1920  * - handles timers and timeout
1921  * - performs registration to proxies
1922  * - authentication retries
1923  * The application MUST call this function periodically, in its main loop.
1924  * Be careful that this function must be called from the same thread as
1925  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1926  * serialized with a mutex.
1927 **/
1928 void linphone_core_iterate(LinphoneCore *lc){
1929         MSList *calls;
1930         LinphoneCall *call;
1931         time_t curtime=time(NULL);
1932         int elapsed;
1933         bool_t one_second_elapsed=FALSE;
1934
1935         if (curtime-lc->prevtime>=1){
1936                 lc->prevtime=curtime;
1937                 one_second_elapsed=TRUE;
1938         }
1939
1940         if (lc->ecc!=NULL){
1941                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1942                 if (ecs!=LinphoneEcCalibratorInProgress){
1943                         if (lc->ecc->cb)
1944                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1945                         if (ecs==LinphoneEcCalibratorDone){
1946                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1947                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1948                         } else if (ecs == LinphoneEcCalibratorFailed) {
1949                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1950                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1951                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1952                         }
1953                         ec_calibrator_destroy(lc->ecc);
1954                         lc->ecc=NULL;
1955                 }
1956         }
1957
1958         if (lc->preview_finished){
1959                 lc->preview_finished=0;
1960                 ring_stop(lc->ringstream);
1961                 lc->ringstream=NULL;
1962                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1963         }
1964
1965         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1966             && (curtime-lc->dmfs_playing_start_time)>5){
1967                 ring_stop(lc->ringstream);
1968                 lc->ringstream=NULL;
1969                 lc->dmfs_playing_start_time=0;
1970         }
1971
1972         sal_iterate(lc->sal);
1973         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1974         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1975
1976         proxy_update(lc);
1977
1978         //we have to iterate for each call
1979         calls= lc->calls;
1980         while(calls!= NULL){
1981                 call = (LinphoneCall *)calls->data;
1982                  /* get immediately a reference to next one in case the one
1983                  we are going to examine is destroy and removed during
1984                  linphone_core_start_invite() */
1985                 calls=calls->next;
1986                 linphone_call_background_tasks(call,one_second_elapsed);
1987                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1988                         /*start the call even if the OPTIONS reply did not arrive*/
1989                         if (call->ice_session != NULL) {
1990                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
1991                                                 ,linphone_core_get_stun_server(lc));
1992                                 linphone_call_delete_ice_session(call);
1993                                 linphone_call_stop_media_streams_for_ice_gathering(call);
1994                         }
1995                         linphone_core_start_invite(lc,call);
1996                 }
1997                 if (call->state==LinphoneCallIncomingReceived){
1998                         elapsed=curtime-call->start_time;
1999                         ms_message("incoming call ringing for %i seconds",elapsed);
2000                         if (elapsed>lc->sip_conf.inc_timeout){
2001                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2002                                 call->log->status=LinphoneCallMissed;
2003                                 call->reason=LinphoneReasonNotAnswered;
2004                                 linphone_core_terminate_call(lc,call);
2005                         }
2006                 }
2007         }
2008
2009         if (linphone_core_video_preview_enabled(lc)){
2010                 if (lc->previewstream==NULL && lc->calls==NULL)
2011                         toggle_video_preview(lc,TRUE);
2012 #ifdef VIDEO_ENABLED
2013                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2014 #endif
2015         }else{
2016                 if (lc->previewstream!=NULL)
2017                         toggle_video_preview(lc,FALSE);
2018         }
2019
2020         linphone_core_run_hooks(lc);
2021         linphone_core_do_plugin_tasks(lc);
2022
2023         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2024             (curtime-lc->netup_time)>3){
2025                 linphone_core_send_initial_subscribes(lc);
2026                 lc->initial_subscribes_sent=TRUE;
2027         }
2028
2029         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2030                 lp_config_sync(lc->config);
2031         }
2032 }
2033
2034 /**
2035  * Interpret a call destination as supplied by the user, and returns a fully qualified
2036  * LinphoneAddress.
2037  *
2038  * A sip address should look like DisplayName <sip:username@domain:port> .
2039  * Basically this function performs the following tasks
2040  * - if a phone number is entered, prepend country prefix of the default proxy
2041  *   configuration, eventually escape the '+' by 00.
2042  * - if no domain part is supplied, append the domain name of the default proxy
2043  * - if no sip: is present, prepend it
2044  *
2045  * The result is a syntaxically correct SIP address.
2046 **/
2047
2048 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2049         enum_lookup_res_t *enumres=NULL;
2050         char *enum_domain=NULL;
2051         LinphoneProxyConfig *proxy=lc->default_proxy;;
2052         char *tmpurl;
2053         LinphoneAddress *uri;
2054
2055         if (is_enum(url,&enum_domain)){
2056                 if (lc->vtable.display_status!=NULL)
2057                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2058                 if (enum_lookup(enum_domain,&enumres)<0){
2059                         if (lc->vtable.display_status!=NULL)
2060                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2061                         ms_free(enum_domain);
2062                         return NULL;
2063                 }
2064                 ms_free(enum_domain);
2065                 tmpurl=enumres->sip_address[0];
2066                 uri=linphone_address_new(tmpurl);
2067                 enum_lookup_res_free(enumres);
2068                 return uri;
2069         }
2070         /* check if we have a "sip:" */
2071         if (strstr(url,"sip:")==NULL){
2072                 /* this doesn't look like a true sip uri */
2073                 if (strchr(url,'@')!=NULL){
2074                         /* seems like sip: is missing !*/
2075                         tmpurl=ms_strdup_printf("sip:%s",url);
2076                         uri=linphone_address_new(tmpurl);
2077                         ms_free(tmpurl);
2078                         if (uri){
2079                                 return uri;
2080                         }
2081                 }
2082
2083                 if (proxy!=NULL){
2084                         /* append the proxy domain suffix */
2085                         const char *identity=linphone_proxy_config_get_identity(proxy);
2086                         char normalized_username[128];
2087                         uri=linphone_address_new(identity);
2088                         if (uri==NULL){
2089                                 return NULL;
2090                         }
2091                         linphone_address_set_display_name(uri,NULL);
2092                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2093                                                                 sizeof(normalized_username));
2094                         linphone_address_set_username(uri,normalized_username);
2095                         return uri;
2096                 }else return NULL;
2097         }
2098         uri=linphone_address_new(url);
2099         if (uri!=NULL){
2100                 return uri;
2101         }
2102         /* else we could not do anything with url given by user, so display an error */
2103         if (lc->vtable.display_warning!=NULL){
2104                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2105         }
2106         return NULL;
2107 }
2108
2109 /**
2110  * Returns the default identity SIP address.
2111  *
2112  * @ingroup proxies
2113  * This is an helper function:
2114  *
2115  * If no default proxy is set, this will return the primary contact (
2116  * see linphone_core_get_primary_contact() ). If a default proxy is set
2117  * it returns the registered identity on the proxy.
2118 **/
2119 const char * linphone_core_get_identity(LinphoneCore *lc){
2120         LinphoneProxyConfig *proxy=NULL;
2121         const char *from;
2122         linphone_core_get_default_proxy(lc,&proxy);
2123         if (proxy!=NULL) {
2124                 from=linphone_proxy_config_get_identity(proxy);
2125         }else from=linphone_core_get_primary_contact(lc);
2126         return from;
2127 }
2128
2129 const char * linphone_core_get_route(LinphoneCore *lc){
2130         LinphoneProxyConfig *proxy=NULL;
2131         const char *route=NULL;
2132         linphone_core_get_default_proxy(lc,&proxy);
2133         if (proxy!=NULL) {
2134                 route=linphone_proxy_config_get_route(proxy);
2135         }
2136         return route;
2137 }
2138
2139 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2140         if (call->refer_pending){
2141                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2142                 LinphoneCall *newcall;
2143                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2144                 cp->referer=call;
2145                 ms_message("Starting new call to refered address %s",call->refer_to);
2146                 call->refer_pending=FALSE;
2147                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2148                 linphone_call_params_destroy(cp);
2149                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2150         }
2151 }
2152
2153 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2154         if (referer->op!=NULL){
2155                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2156         }
2157 }
2158
2159 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2160         const MSList *elem;
2161         LinphoneProxyConfig *found_cfg=NULL;
2162         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2163
2164         /*always prefer the default proxy if it is matching the destination uri*/
2165         if (default_cfg){
2166                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2167                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2168                         return default_cfg;
2169         }
2170
2171         /*otherwise iterate through the other proxy config and return the first matching*/
2172         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2173                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2174                 const char *domain=linphone_proxy_config_get_domain(cfg);
2175                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2176                         found_cfg=cfg;
2177                         break;
2178                 }
2179         }
2180         return found_cfg;
2181 }
2182
2183 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2184         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2185         if (cfg==NULL)
2186                 linphone_core_get_default_proxy (lc,&cfg);
2187         if (cfg!=NULL){
2188                 if (route) *route=linphone_proxy_config_get_route(cfg);
2189                 return linphone_proxy_config_get_identity (cfg);
2190         }
2191         return linphone_core_get_primary_contact (lc);
2192 }
2193
2194 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2195         LinphoneAddress *ctt;
2196         const char *localip=call->localip;
2197
2198         /* first use user's supplied ip address if asked*/
2199         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2200                 ctt=linphone_core_get_primary_contact_parsed(lc);
2201                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2202                         linphone_core_get_nat_address_resolved(lc));
2203         }
2204
2205         /* if already choosed, don't change it */
2206         if (call->op && sal_op_get_contact(call->op)!=NULL){
2207                 return NULL;
2208         }
2209         /* if the ping OPTIONS request succeeded use the contact guessed from the
2210          received, rport*/
2211         if (call->ping_op){
2212                 const char *guessed=sal_op_get_contact(call->ping_op);
2213                 if (guessed){
2214                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2215                         return ms_strdup(guessed);
2216                 }
2217         }
2218
2219         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2220         if (dest_proxy && dest_proxy->op){
2221                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2222                 if (fixed_contact) {
2223                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2224                         return ms_strdup(fixed_contact);
2225                 }
2226         }
2227
2228         ctt=linphone_core_get_primary_contact_parsed(lc);
2229
2230         if (ctt!=NULL){
2231                 char *ret;
2232                 /*otherwise use supllied localip*/
2233                 linphone_address_set_domain(ctt,localip);
2234                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2235                 ret=linphone_address_as_string_uri_only(ctt);
2236                 linphone_address_destroy(ctt);
2237                 ms_message("Contact has been fixed using local ip to %s",ret);
2238                 return ret;
2239         }
2240         return NULL;
2241 }
2242
2243 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2244         bool_t ice_ready = FALSE;
2245         bool_t ping_ready = FALSE;
2246
2247         if (call->ice_session != NULL) {
2248                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2249         } else {
2250                 ice_ready = TRUE;
2251         }
2252         if (call->ping_op != NULL) {
2253                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2254         } else {
2255                 ping_ready = TRUE;
2256         }
2257
2258         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2259                 return linphone_core_start_invite(lc, call);
2260         }
2261         return 0;
2262 }
2263
2264 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2265         int err;
2266         char *contact;
2267         char *real_url,*barmsg;
2268         char *from;
2269         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2270
2271         /*try to be best-effort in giving real local or routable contact address */
2272         contact=get_fixed_contact(lc,call,dest_proxy);
2273         if (contact){
2274                 sal_op_set_contact(call->op, contact);
2275                 ms_free(contact);
2276         }
2277         linphone_core_stop_dtmf_stream(lc);
2278         linphone_call_init_media_streams(call);
2279         if (lc->ringstream==NULL)
2280                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2281         call->localdesc=create_local_media_description(lc,call);
2282         if (!lc->sip_conf.sdp_200_ack){
2283                 call->media_pending=TRUE;
2284                 sal_call_set_local_media_description(call->op,call->localdesc);
2285         }
2286         real_url=linphone_address_as_string(call->log->to);
2287         from=linphone_address_as_string(call->log->from);
2288         err=sal_call(call->op,from,real_url);
2289         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2290
2291         if (lc->sip_conf.sdp_200_ack){
2292                 call->media_pending=TRUE;
2293                 sal_call_set_local_media_description(call->op,call->localdesc);
2294         }
2295         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2296         if (lc->vtable.display_status!=NULL)
2297                 lc->vtable.display_status(lc,barmsg);
2298         ms_free(barmsg);
2299
2300         if (err<0){
2301                 if (lc->vtable.display_status!=NULL)
2302                         lc->vtable.display_status(lc,_("Could not call"));
2303                 linphone_call_stop_media_streams(call);
2304                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2305         }else {
2306                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2307         }
2308         ms_free(real_url);
2309         ms_free(from);
2310         return err;
2311 }
2312
2313 /**
2314  * Initiates an outgoing call
2315  *
2316  * @ingroup call_control
2317  * @param lc the LinphoneCore object
2318  * @param url the destination of the call (sip address, or phone number).
2319  *
2320  * The application doesn't own a reference to the returned LinphoneCall object.
2321  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2322  *
2323  * @return a LinphoneCall object or NULL in case of failure
2324 **/
2325 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2326         LinphoneCall *call;
2327         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2328         p->has_video &= !!lc->video_policy.automatically_initiate;
2329         call=linphone_core_invite_with_params(lc,url,p);
2330         linphone_call_params_destroy(p);
2331         return call;
2332 }
2333
2334
2335 /**
2336  * Initiates an outgoing call according to supplied call parameters
2337  *
2338  * @ingroup call_control
2339  * @param lc the LinphoneCore object
2340  * @param url the destination of the call (sip address, or phone number).
2341  * @param p call parameters
2342  *
2343  * The application doesn't own a reference to the returned LinphoneCall object.
2344  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2345  *
2346  * @return a LinphoneCall object or NULL in case of failure
2347 **/
2348 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2349         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2350         if (addr){
2351                 LinphoneCall *call;
2352                 call=linphone_core_invite_address_with_params(lc,addr,p);
2353                 linphone_address_destroy(addr);
2354                 return call;
2355         }
2356         return NULL;
2357 }
2358
2359 /**
2360  * Initiates an outgoing call given a destination LinphoneAddress
2361  *
2362  * @ingroup call_control
2363  * @param lc the LinphoneCore object
2364  * @param addr the destination of the call (sip address).
2365  *
2366  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2367  * created by linphone_core_interpret_url().
2368  * The application doesn't own a reference to the returned LinphoneCall object.
2369  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2370  *
2371  * @return a LinphoneCall object or NULL in case of failure
2372 **/
2373 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2374         LinphoneCall *call;
2375         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2376         p->has_video &= !!lc->video_policy.automatically_initiate;
2377         call=linphone_core_invite_address_with_params (lc,addr,p);
2378         linphone_call_params_destroy(p);
2379         return call;
2380 }
2381
2382
2383 /**
2384  * Initiates an outgoing call given a destination LinphoneAddress
2385  *
2386  * @ingroup call_control
2387  * @param lc the LinphoneCore object
2388  * @param addr the destination of the call (sip address).
2389         @param params call parameters
2390  *
2391  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2392  * created by linphone_core_interpret_url().
2393  * The application doesn't own a reference to the returned LinphoneCall object.
2394  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2395  *
2396  * @return a LinphoneCall object or NULL in case of failure
2397 **/
2398 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2399 {
2400         const char *route=NULL;
2401         const char *from=NULL;
2402         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2403         LinphoneAddress *parsed_url2=NULL;
2404         char *real_url=NULL;
2405         LinphoneCall *call;
2406         bool_t use_ice = FALSE;
2407
2408         linphone_core_preempt_sound_resources(lc);
2409
2410         if(!linphone_core_can_we_add_call(lc)){
2411                 if (lc->vtable.display_warning)
2412                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2413                 return NULL;
2414         }
2415         linphone_core_get_default_proxy(lc,&proxy);
2416         route=linphone_core_get_route(lc);
2417
2418         real_url=linphone_address_as_string(addr);
2419         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2420
2421         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2422                 ms_message("Overriding default proxy setting for this call:");
2423                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2424         }
2425
2426         if (dest_proxy!=NULL)
2427                 from=linphone_proxy_config_get_identity(dest_proxy);
2428         else if (proxy!=NULL)
2429                 from=linphone_proxy_config_get_identity(proxy);
2430
2431         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2432         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2433
2434         parsed_url2=linphone_address_new(from);
2435
2436         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2437         call->dest_proxy=dest_proxy;
2438         sal_op_set_route(call->op,route);
2439
2440         if(linphone_core_add_call(lc,call)!= 0)
2441         {
2442                 ms_warning("we had a problem in adding the call into the invite ... weird");
2443                 linphone_call_unref(call);
2444                 return NULL;
2445         }
2446         /* this call becomes now the current one*/
2447         lc->current_call=call;
2448         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2449         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2450                 /* Defer the start of the call after the ICE gathering process. */
2451                 linphone_call_init_media_streams(call);
2452                 linphone_call_start_media_streams_for_ice_gathering(call);
2453                 call->start_time=time(NULL);
2454                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2455                         /* Ice candidates gathering failed, proceed with the call anyway. */
2456                         linphone_call_delete_ice_session(call);
2457                         linphone_call_stop_media_streams_for_ice_gathering(call);
2458                 } else {
2459                         use_ice = TRUE;
2460                 }
2461         }
2462
2463         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2464                 /*defer the start of the call after the OPTIONS ping*/
2465                 call->ping_replied=FALSE;
2466                 call->ping_op=sal_op_new(lc->sal);
2467                 sal_ping(call->ping_op,from,real_url);
2468                 sal_op_set_user_pointer(call->ping_op,call);
2469                 call->start_time=time(NULL);
2470         }else{
2471                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2472         }
2473
2474         if (real_url!=NULL) ms_free(real_url);
2475         return call;
2476 }
2477
2478 /**
2479  * Performs a simple call transfer to the specified destination.
2480  *
2481  * The remote endpoint is expected to issue a new call to the specified destination.
2482  * The current call remains active and thus can be later paused or terminated.
2483 **/
2484 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2485 {
2486         char *real_url=NULL;
2487         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2488
2489         if (!real_parsed_url){
2490                 /* bad url */
2491                 return -1;
2492         }
2493         if (call==NULL){
2494                 ms_warning("No established call to refer.");
2495                 return -1;
2496         }
2497         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2498         real_url=linphone_address_as_string (real_parsed_url);
2499         sal_call_refer(call->op,real_url);
2500         ms_free(real_url);
2501         linphone_address_destroy(real_parsed_url);
2502         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2503         return 0;
2504 }
2505
2506 /**
2507  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2508  * @param lc linphone core object
2509  * @param call a running call you want to transfer
2510  * @param dest a running call whose remote person will receive the transfer
2511  *
2512  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2513  * The destination call is a call previously established to introduce the transfered person.
2514  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2515  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2516  * close the call with us (the 'dest' call).
2517 **/
2518 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2519         int result = sal_call_refer_with_replaces (call->op,dest->op);
2520         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2521         return result;
2522 }
2523
2524 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2525         LinphoneCall *call = linphone_core_get_current_call(lc);
2526         if(call != NULL)
2527         {
2528                 if(call->dir==LinphoneCallIncoming
2529                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2530                         return TRUE;
2531         }
2532         return FALSE;
2533 }
2534
2535 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2536         char *barmesg;
2537         char *tmp;
2538         LinphoneAddress *from_parsed;
2539         SalMediaDescription *md;
2540         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2541         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2542
2543         call->localdesc=create_local_media_description(lc,call);
2544         sal_call_set_local_media_description(call->op,call->localdesc);
2545         md=sal_call_get_final_media_description(call->op);
2546         if (md && sal_media_description_empty(md)){
2547                 sal_call_decline(call->op,SalReasonMedia,NULL);
2548                 linphone_call_unref(call);
2549                 return;
2550         }
2551
2552         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2553         linphone_address_clean(from_parsed);
2554         tmp=linphone_address_as_string(from_parsed);
2555         linphone_address_destroy(from_parsed);
2556         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2557             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2558         if (lc->vtable.show) lc->vtable.show(lc);
2559         if (lc->vtable.display_status)
2560             lc->vtable.display_status(lc,barmesg);
2561
2562         /* play the ring if this is the only call*/
2563         if (ms_list_size(lc->calls)==1){
2564                 lc->current_call=call;
2565                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2566                         ring_stop(lc->ringstream);
2567                         lc->ringstream=NULL;
2568                         lc->dmfs_playing_start_time=0;
2569                 }
2570                 if (lc->sound_conf.ring_sndcard!=NULL){
2571                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2572                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2573                                 ms_message("Starting local ring...");
2574                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2575                         }
2576                         else
2577                         {
2578                                 ms_message("the local ring is already started");
2579                         }
2580                 }
2581         }else{
2582                 /* else play a tone within the context of the current call */
2583                 call->ringing_beep=TRUE;
2584                 linphone_core_play_tone(lc);
2585         }
2586
2587         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2588
2589         if (call->state==LinphoneCallIncomingReceived){
2590                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2591
2592                 if (propose_early_media || ringback_tone!=NULL){
2593                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2594                         md=sal_call_get_final_media_description(call->op);
2595                         linphone_core_update_streams(lc,call,md);
2596                 }
2597                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2598                         linphone_core_accept_call(lc,call);
2599                 }
2600         }
2601         linphone_call_unref(call);
2602
2603         ms_free(barmesg);
2604         ms_free(tmp);
2605 }
2606
2607 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2608         const char *subject;
2609         call->camera_active=call->params.has_video;
2610         if (call->ice_session != NULL)
2611                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2612
2613         if (call->params.in_conference){
2614                 subject="Conference";
2615         }else{
2616                 subject="Media change";
2617         }
2618         if (lc->vtable.display_status)
2619                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2620         sal_call_set_local_media_description (call->op,call->localdesc);
2621         return sal_call_update(call->op,subject);
2622 }
2623
2624 /**
2625  * @ingroup call_control
2626  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2627  *
2628  * In this version this is limited to the following use cases:
2629  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2630  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2631  *
2632  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2633  * @param lc the core
2634  * @param call the call to be updated
2635  * @param params the new call parameters to use. (may be NULL)
2636  * @return 0 if successful, -1 otherwise.
2637 **/
2638 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2639         int err=0;
2640         if (params!=NULL){
2641                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2642 #ifdef VIDEO_ENABLED
2643                 bool_t has_video = call->params.has_video;
2644                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2645                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2646                         call->videostream->ice_check_list = NULL;
2647                 }
2648                 call->params = *params;
2649                 update_local_media_description(lc, call);
2650                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2651                         /* Defer call update until the ICE candidates gathering process has finished. */
2652                         ms_message("Defer call update to gather ICE candidates");
2653                         linphone_call_init_video_stream(call);
2654                         video_stream_prepare_video(call->videostream);
2655                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2656                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2657                                 linphone_call_delete_ice_session(call);
2658                         } else return err;
2659                 }
2660 #endif
2661                 err = linphone_core_start_update_call(lc, call);
2662         }else{
2663 #ifdef VIDEO_ENABLED
2664                 if (call->videostream!=NULL){
2665                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2666                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2667                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2668                         }else video_stream_update_video_params(call->videostream);
2669                 }
2670 #endif
2671         }
2672
2673         return err;
2674 }
2675
2676 /**
2677  * @ingroup call_control
2678  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2679  *
2680  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2681  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2682  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2683  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2684  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2685  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2686  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2687  *
2688  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2689 **/
2690 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2691         if (call->state==LinphoneCallUpdatedByRemote){
2692                 call->defer_update=TRUE;
2693                 return 0;
2694         }
2695         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2696         return -1;
2697 }
2698
2699 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2700         SalMediaDescription *md;
2701         if (call->ice_session != NULL) {
2702                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2703                         /* Defer the sending of the answer until there are no losing pairs left. */
2704                         return 0;
2705                 }
2706                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2707         }
2708         sal_call_set_local_media_description(call->op,call->localdesc);
2709         sal_call_accept(call->op);
2710         md=sal_call_get_final_media_description(call->op);
2711         if (md && !sal_media_description_empty(md))
2712                 linphone_core_update_streams (lc,call,md);
2713         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2714         return 0;
2715 }
2716
2717 /**
2718  * @ingroup call_control
2719  * Accept call modifications initiated by other end.
2720  *
2721  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2722  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2723  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2724  * requested by the other party, such as whether a video stream is requested.
2725  *
2726  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2727  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2728  * If params is not NULL, then the update will be accepted according to the parameters passed.
2729  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2730  * (see linphone_call_params_enable_video()).
2731  * @param lc the linphone core object.
2732  * @param call the LinphoneCall object
2733  * @param params a LinphoneCallParams object describing the call parameters to accept.
2734  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2735 **/
2736 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2737 #ifdef VIDEO_ENABLED
2738         bool_t old_has_video = call->params.has_video;
2739 #endif
2740         if (call->state!=LinphoneCallUpdatedByRemote){
2741                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2742                          linphone_call_state_to_string(call->state));
2743                 return -1;
2744         }
2745         if (params==NULL){
2746                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2747         }else
2748                 call->params=*params;
2749
2750         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2751                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2752                 call->params.has_video=FALSE;
2753         }
2754         if (call->current_params.in_conference) {
2755                 ms_warning("Video isn't supported in conference");
2756                 call->params.has_video = FALSE;
2757         }
2758         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2759         call->camera_active=call->params.has_video;
2760         update_local_media_description(lc,call);
2761         if (call->ice_session != NULL) {
2762                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2763 #ifdef VIDEO_ENABLED
2764                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2765                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2766                                 linphone_call_init_video_stream(call);
2767                                 video_stream_prepare_video(call->videostream);
2768                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2769                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2770                                         linphone_call_delete_ice_session(call);
2771                                 } else return 0;
2772                         }
2773                 }
2774 #endif
2775         }
2776         linphone_core_start_accept_call_update(lc, call);
2777         return 0;
2778 }
2779
2780 /**
2781  * Accept an incoming call.
2782  *
2783  * @ingroup call_control
2784  * Basically the application is notified of incoming calls within the
2785  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2786  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2787  * The application can later accept the call using this method.
2788  * @param lc the LinphoneCore object
2789  * @param call the LinphoneCall object representing the call to be answered.
2790  *
2791 **/
2792 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2793         return linphone_core_accept_call_with_params(lc,call,NULL);
2794 }
2795
2796 /**
2797  * Accept an incoming call, with parameters.
2798  *
2799  * @ingroup call_control
2800  * Basically the application is notified of incoming calls within the
2801  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2802  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2803  * The application can later accept the call using
2804  * this method.
2805  * @param lc the LinphoneCore object
2806  * @param call the LinphoneCall object representing the call to be answered.
2807  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2808  *
2809 **/
2810 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2811 {
2812         LinphoneProxyConfig *cfg=NULL;
2813         const char *contact=NULL;
2814         SalOp *replaced;
2815         SalMediaDescription *new_md;
2816         bool_t was_ringing=FALSE;
2817
2818         if (call==NULL){
2819                 //if just one call is present answer the only one ...
2820                 if(linphone_core_get_calls_nb (lc) != 1)
2821                         return -1;
2822                 else
2823                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2824         }
2825
2826         if (call->state==LinphoneCallConnected){
2827                 /*call already accepted*/
2828                 return -1;
2829         }
2830
2831         /* check if this call is supposed to replace an already running one*/
2832         replaced=sal_call_get_replaces(call->op);
2833         if (replaced){
2834                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2835                 if (rc){
2836                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2837                                    call,rc);
2838                         linphone_core_terminate_call(lc,rc);
2839                 }
2840         }
2841
2842         if (lc->current_call!=call){
2843                 linphone_core_preempt_sound_resources(lc);
2844         }
2845
2846         /*stop ringing */
2847         if (lc->ringstream!=NULL) {
2848                 ms_message("stop ringing");
2849                 ring_stop(lc->ringstream);
2850                 ms_message("ring stopped");
2851                 lc->ringstream=NULL;
2852                 was_ringing=TRUE;
2853         }
2854         if (call->ringing_beep){
2855                 linphone_core_stop_dtmf(lc);
2856                 call->ringing_beep=FALSE;
2857         }
2858
2859         linphone_core_get_default_proxy(lc,&cfg);
2860         call->dest_proxy=cfg;
2861         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2862
2863         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2864                 ms_message("Overriding default proxy setting for this call:");
2865                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2866         }
2867         /*try to be best-effort in giving real local or routable contact address*/
2868         contact=get_fixed_contact(lc,call,call->dest_proxy);
2869         if (contact)
2870                 sal_op_set_contact(call->op,contact);
2871
2872         if (params){
2873                 call->params=*params;
2874                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2875                 call->camera_active=call->params.has_video;
2876                 update_local_media_description(lc,call);
2877                 sal_call_set_local_media_description(call->op,call->localdesc);
2878         }
2879
2880         if (call->audiostream==NULL)
2881                 linphone_call_init_media_streams(call);
2882         if (!was_ringing && call->audiostream->ticker==NULL){
2883                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2884         }
2885
2886         sal_call_accept(call->op);
2887         if (lc->vtable.display_status!=NULL)
2888                 lc->vtable.display_status(lc,_("Connected."));
2889         lc->current_call=call;
2890         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2891         new_md=sal_call_get_final_media_description(call->op);
2892         linphone_core_update_streams(lc, call, new_md);
2893         if (new_md){
2894                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2895         }else call->media_pending=TRUE;
2896
2897         ms_message("call answered.");
2898         return 0;
2899 }
2900
2901 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2902         sal_call_terminate(call->op);
2903
2904         /*stop ringing*/
2905         if (lc->ringstream!=NULL) {
2906                 ring_stop(lc->ringstream);
2907                 lc->ringstream=NULL;
2908         }
2909         linphone_call_stop_media_streams(call);
2910         if (lc->vtable.display_status!=NULL)
2911                 lc->vtable.display_status(lc,_("Call aborted") );
2912         linphone_call_set_state(call,LinphoneCallError,error);
2913         return 0;
2914 }
2915
2916 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2917         if (call->state==LinphoneCallIncomingReceived){
2918                 if (call->reason!=LinphoneReasonNotAnswered)
2919                         call->reason=LinphoneReasonDeclined;
2920         }
2921         /*stop ringing*/
2922         if (lc->ringstream!=NULL) {
2923                 ring_stop(lc->ringstream);
2924                 lc->ringstream=NULL;
2925         }
2926
2927         linphone_call_stop_media_streams(call);
2928         if (lc->vtable.display_status!=NULL)
2929                 lc->vtable.display_status(lc,_("Call ended") );
2930         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2931 }
2932
2933 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2934         if (call->state==LinphoneCallIncomingReceived){
2935                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2936                 call->reason=LinphoneReasonDeclined;
2937                 terminate_call(lc,call);
2938         }else{
2939                 ms_error("Bad state for call redirection.");
2940                 return -1;
2941     }
2942         return 0;
2943 }
2944
2945
2946 /**
2947  * Terminates a call.
2948  *
2949  * @ingroup call_control
2950  * @param lc the LinphoneCore
2951  * @param the_call the LinphoneCall object representing the call to be terminated.
2952 **/
2953 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2954 {
2955         LinphoneCall *call;
2956         if (the_call == NULL){
2957                 call = linphone_core_get_current_call(lc);
2958                 if (ms_list_size(lc->calls)==1){
2959                         call=(LinphoneCall*)lc->calls->data;
2960                 }else{
2961                         ms_warning("No unique call to terminate !");
2962                         return -1;
2963                 }
2964         }
2965         else
2966         {
2967                 call = the_call;
2968         }
2969         sal_call_terminate(call->op);
2970         terminate_call(lc,call);
2971         return 0;
2972 }
2973
2974 /**
2975  * Decline a pending incoming call, with a reason.
2976  * @param lc the linphone core
2977  * @param call the LinphoneCall, must be in the IncomingReceived state.
2978  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
2979 **/
2980 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
2981         SalReason sal_reason=SalReasonUnknown;
2982         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
2983                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
2984                 return -1;
2985         }
2986         switch(reason){
2987                 case LinphoneReasonDeclined:
2988                         sal_reason=SalReasonDeclined;
2989                 break;
2990                 case LinphoneReasonBusy:
2991                         sal_reason=SalReasonBusy;
2992                 break;
2993                 default:
2994                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
2995                         return -1;
2996                 break;
2997         }
2998         sal_call_decline(call->op,sal_reason,NULL);
2999         terminate_call(lc,call);
3000         return 0;
3001 }
3002
3003 /**
3004  * Terminates all the calls.
3005  *
3006  * @ingroup call_control
3007  * @param lc The LinphoneCore
3008 **/
3009 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3010         MSList *calls=lc->calls;
3011         while(calls) {
3012                 LinphoneCall *c=(LinphoneCall*)calls->data;
3013                 calls=calls->next;
3014                 linphone_core_terminate_call(lc,c);
3015         }
3016         return 0;
3017 }
3018
3019 /**
3020  * Returns the current list of calls.
3021  *
3022  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3023  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3024  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3025  *
3026  * @ingroup call_control
3027 **/
3028 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3029 {
3030         return lc->calls;
3031 }
3032
3033 /**
3034  * Returns TRUE if there is a call running.
3035  *
3036  * @ingroup call_control
3037 **/
3038 bool_t linphone_core_in_call(const LinphoneCore *lc){
3039         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3040 }
3041
3042 /**
3043  * Returns The _LinphoneCall struct of the current call if one is in call
3044  *
3045  * @ingroup call_control
3046 **/
3047 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3048 {
3049         return lc->current_call;
3050 }
3051
3052 /**
3053  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3054  * this file will be played to the remote user.
3055  *
3056  * @ingroup call_control
3057 **/
3058 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3059 {
3060         const char *subject=NULL;
3061
3062         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3063                 ms_warning("Cannot pause this call, it is not active.");
3064                 return -1;
3065         }
3066         update_local_media_description(lc,call);
3067         if (call->ice_session != NULL)
3068                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3069         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3070                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3071                 subject="Call on hold";
3072         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3073                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3074                 subject="Call on hold for me too";
3075         }else{
3076                 ms_error("No reason to pause this call, it is already paused or inactive.");
3077                 return -1;
3078         }
3079         sal_call_set_local_media_description(call->op,call->localdesc);
3080         if (sal_call_update(call->op,subject) != 0){
3081                 if (lc->vtable.display_warning)
3082                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3083         }
3084         lc->current_call=NULL;
3085         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3086         if (lc->vtable.display_status)
3087                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3088         if (call->audiostream || call->videostream)
3089                 linphone_call_stop_media_streams (call);
3090         return 0;
3091 }
3092
3093 /**
3094  * Pause all currently running calls.
3095 **/
3096 int linphone_core_pause_all_calls(LinphoneCore *lc){
3097         const MSList *elem;
3098         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3099                 LinphoneCall *call=(LinphoneCall *)elem->data;
3100                 LinphoneCallState cs=linphone_call_get_state(call);
3101                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3102                         linphone_core_pause_call(lc,call);
3103                 }
3104         }
3105         return 0;
3106 }
3107
3108 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3109         LinphoneCall *current_call;
3110         if (linphone_core_is_in_conference(lc)){
3111                 linphone_core_leave_conference(lc);
3112                 return;
3113         }
3114         current_call=linphone_core_get_current_call(lc);
3115         if(current_call != NULL){
3116                 ms_message("Pausing automatically the current call.");
3117                 linphone_core_pause_call(lc,current_call);
3118         }
3119 }
3120
3121 /**
3122  * Resumes the call.
3123  *
3124  * @ingroup call_control
3125 **/
3126 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3127 {
3128         char temp[255]={0};
3129         LinphoneCall *call = the_call;
3130         const char *subject="Call resuming";
3131
3132         if(call->state!=LinphoneCallPaused ){
3133                 ms_warning("we cannot resume a call that has not been established and paused before");
3134                 return -1;
3135         }
3136         if (call->params.in_conference==FALSE){
3137                 linphone_core_preempt_sound_resources(lc);
3138                 ms_message("Resuming call %p",call);
3139         }
3140
3141         /* Stop playing music immediately. If remote side is a conference it
3142          prevents the participants to hear it while the 200OK comes back.*/
3143         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3144
3145         update_local_media_description(lc,the_call);
3146         if (call->ice_session != NULL)
3147                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3148         sal_call_set_local_media_description(call->op,call->localdesc);
3149         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3150         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3151         if(sal_call_update(call->op,subject) != 0){
3152                 return -1;
3153         }
3154         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3155         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3156         if (lc->vtable.display_status)
3157                 lc->vtable.display_status(lc,temp);
3158         return 0;
3159 }
3160
3161 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3162         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3163         return !linphone_address_weak_equal (addr,raddr);
3164 }
3165
3166 /**
3167  * Get the call with the remote_address specified
3168  * @param lc
3169  * @param remote_address
3170  * @return the LinphoneCall of the call if found
3171  */
3172 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3173         LinphoneAddress *raddr=linphone_address_new(remote_address);
3174         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3175         if (elem) return (LinphoneCall*) elem->data;
3176         return NULL;
3177 }
3178
3179 int linphone_core_send_publish(LinphoneCore *lc,
3180                                LinphoneOnlineStatus presence_mode)
3181 {
3182         const MSList *elem;
3183         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3184                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3185                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3186         }
3187         return 0;
3188 }
3189
3190 /**
3191  * Set the incoming call timeout in seconds.
3192  *
3193  * @ingroup call_control
3194  * If an incoming call isn't answered for this timeout period, it is
3195  * automatically declined.
3196 **/
3197 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3198         lc->sip_conf.inc_timeout=seconds;
3199 }
3200
3201 /**
3202  * Returns the incoming call timeout
3203  *
3204  * @ingroup call_control
3205  * See linphone_core_set_inc_timeout() for details.
3206 **/
3207 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3208         return lc->sip_conf.inc_timeout;
3209 }
3210
3211 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3212                                                                                                         const char *contact,
3213                                                                                                         LinphoneOnlineStatus presence_mode)
3214 {
3215         if (minutes_away>0) lc->minutes_away=minutes_away;
3216
3217         if (lc->alt_contact!=NULL) {
3218                 ms_free(lc->alt_contact);
3219                 lc->alt_contact=NULL;
3220         }
3221         if (contact) lc->alt_contact=ms_strdup(contact);
3222         if (lc->presence_mode!=presence_mode){
3223                 linphone_core_notify_all_friends(lc,presence_mode);
3224                 /*
3225                    Improve the use of all LINPHONE_STATUS available.
3226                    !TODO Do not mix "presence status" with "answer status code"..
3227                    Use correct parameter to follow sip_if_match/sip_etag.
3228                  */
3229                 linphone_core_send_publish(lc,presence_mode);
3230         }
3231         lc->presence_mode=presence_mode;
3232 }
3233
3234 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3235         return lc->presence_mode;
3236 }
3237
3238 /**
3239  * Get playback sound level in 0-100 scale.
3240  *
3241  * @ingroup media_parameters
3242 **/
3243 int linphone_core_get_play_level(LinphoneCore *lc)
3244 {
3245         return lc->sound_conf.play_lev;
3246 }
3247
3248 /**
3249  * Get ring sound level in 0-100 scale
3250  *
3251  * @ingroup media_parameters
3252 **/
3253 int linphone_core_get_ring_level(LinphoneCore *lc)
3254 {
3255         return lc->sound_conf.ring_lev;
3256 }
3257
3258 /**
3259  * Get sound capture level in 0-100 scale
3260  *
3261  * @ingroup media_parameters
3262 **/
3263 int linphone_core_get_rec_level(LinphoneCore *lc){
3264         return lc->sound_conf.rec_lev;
3265 }
3266
3267 /**
3268  * Set sound ring level in 0-100 scale
3269  *
3270  * @ingroup media_parameters
3271 **/
3272 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3273         MSSndCard *sndcard;
3274         lc->sound_conf.ring_lev=level;
3275         sndcard=lc->sound_conf.ring_sndcard;
3276         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3277 }
3278
3279 /**
3280  * Allow to control play level before entering sound card:  gain in db
3281  *
3282  * @ingroup media_parameters
3283 **/
3284 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3285         float gain=gaindb;
3286         LinphoneCall *call=linphone_core_get_current_call (lc);
3287         AudioStream *st;
3288
3289         lc->sound_conf.soft_play_lev=gaindb;
3290
3291         if (call==NULL || (st=call->audiostream)==NULL){
3292                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3293                 return;
3294         }
3295         if (st->volrecv){
3296                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3297         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3298 }
3299
3300 /**
3301  * Get playback gain in db before entering  sound card.
3302  *
3303  * @ingroup media_parameters
3304 **/
3305 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3306         return lc->sound_conf.soft_play_lev;
3307 }
3308
3309 /**
3310  * Set sound playback level in 0-100 scale
3311  *
3312  * @ingroup media_parameters
3313 **/
3314 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3315         MSSndCard *sndcard;
3316         lc->sound_conf.play_lev=level;
3317         sndcard=lc->sound_conf.play_sndcard;
3318         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3319 }
3320
3321 /**
3322  * Set sound capture level in 0-100 scale
3323  *
3324  * @ingroup media_parameters
3325 **/
3326 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3327 {
3328         MSSndCard *sndcard;
3329         lc->sound_conf.rec_lev=level;
3330         sndcard=lc->sound_conf.capt_sndcard;
3331         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3332 }
3333
3334 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3335         MSSndCard *sndcard=NULL;
3336         if (devid!=NULL){
3337                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3338                 if (sndcard!=NULL &&
3339                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3340                         ms_warning("%s card does not have the %s capability, ignoring.",
3341                                 devid,
3342                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3343                         sndcard=NULL;
3344                 }
3345         }
3346         if (sndcard==NULL) {
3347                 /* get a card that has read+write capabilities */
3348                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3349                 /* otherwise refine to the first card having the right capability*/
3350                 if (sndcard==NULL){
3351                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3352                         for(;elem!=NULL;elem=elem->next){
3353                                 sndcard=(MSSndCard*)elem->data;
3354                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3355                         }
3356                 }
3357                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3358                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3359                         if (elem) sndcard=(MSSndCard*)elem->data;
3360         }
3361         }
3362         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3363         return sndcard;
3364 }
3365
3366 /**
3367  * Returns true if the specified sound device can capture sound.
3368  *
3369  * @ingroup media_parameters
3370  * @param lc The LinphoneCore object
3371  * @param devid the device name as returned by linphone_core_get_sound_devices()
3372 **/
3373 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3374         MSSndCard *sndcard;
3375         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3376         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3377         return FALSE;
3378 }
3379
3380 /**
3381  * Returns true if the specified sound device can play sound.
3382  *
3383  * @ingroup media_parameters
3384  * @param lc The LinphoneCore object
3385  * @param devid the device name as returned by linphone_core_get_sound_devices()
3386 **/
3387 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3388         MSSndCard *sndcard;
3389         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3390         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3391         return FALSE;
3392 }
3393
3394 /**
3395  * Sets the sound device used for ringing.
3396  *
3397  * @ingroup media_parameters
3398  * @param lc The LinphoneCore object
3399  * @param devid the device name as returned by linphone_core_get_sound_devices()
3400 **/
3401 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3402         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3403         lc->sound_conf.ring_sndcard=card;
3404         if (card && linphone_core_ready(lc))
3405                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3406         return 0;
3407 }
3408
3409 /**
3410  * Sets the sound device used for playback.
3411  *
3412  * @ingroup media_parameters
3413  * @param lc The LinphoneCore object
3414  * @param devid the device name as returned by linphone_core_get_sound_devices()
3415 **/
3416 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3417         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3418         lc->sound_conf.play_sndcard=card;
3419         if (card &&  linphone_core_ready(lc))
3420                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3421         return 0;
3422 }
3423
3424 /**
3425  * Sets the sound device used for capture.
3426  *
3427  * @ingroup media_parameters
3428  * @param lc The LinphoneCore object
3429  * @param devid the device name as returned by linphone_core_get_sound_devices()
3430 **/
3431 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3432         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3433         lc->sound_conf.capt_sndcard=card;
3434         if (card &&  linphone_core_ready(lc))
3435                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3436         return 0;
3437 }
3438
3439 /**
3440  * Returns the name of the currently assigned sound device for ringing.
3441  *
3442  * @ingroup media_parameters
3443  * @param lc The LinphoneCore object
3444 **/
3445 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3446 {
3447         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3448         return NULL;
3449 }
3450
3451 /**
3452  * Returns the name of the currently assigned sound device for playback.
3453  *
3454  * @ingroup media_parameters
3455  * @param lc The LinphoneCore object
3456 **/
3457 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3458 {
3459         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3460 }
3461
3462 /**
3463  * Returns the name of the currently assigned sound device for capture.
3464  *
3465  * @ingroup media_parameters
3466  * @param lc The LinphoneCore object
3467 **/
3468 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3469 {
3470         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3471 }
3472
3473 /**
3474  * Returns an unmodifiable array of available sound devices.
3475  *
3476  * The array is NULL terminated.
3477  *
3478  * @ingroup media_parameters
3479  * @param lc The LinphoneCore object
3480 **/
3481 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3482         return lc->sound_conf.cards;
3483 }
3484
3485 /**
3486  * Returns an unmodifiable array of available video capture devices.
3487  *
3488  * @ingroup media_parameters
3489  * The array is NULL terminated.
3490 **/
3491 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3492         return lc->video_conf.cams;
3493 }
3494
3495 /**
3496  * Update detection of sound devices.
3497  *
3498  * Use this function when the application is notified of USB plug events, so that
3499  * list of available hardwares for sound playback and capture is updated.
3500  **/
3501 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3502         const char *ringer,*playback,*capture;
3503         ringer=linphone_core_get_ringer_device(lc);
3504         playback=linphone_core_get_playback_device(lc);
3505         capture=linphone_core_get_capture_device(lc);
3506         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3507         build_sound_devices_table(lc);
3508         linphone_core_set_ringer_device(lc,ringer);
3509         linphone_core_set_playback_device(lc,playback);
3510         linphone_core_set_capture_device(lc,capture);
3511 }
3512
3513 /**
3514  * Update detection of camera devices.
3515  *
3516  * Use this function when the application is notified of USB plug events, so that
3517  * list of available hardwares for video capture is updated.
3518  **/
3519 void linphone_core_reload_video_devices(LinphoneCore *lc){
3520         const char *devid;
3521         devid=linphone_core_get_video_device(lc);
3522         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3523         build_video_devices_table(lc);
3524         linphone_core_set_video_device(lc,devid);
3525 }
3526
3527 char linphone_core_get_sound_source(LinphoneCore *lc)
3528 {
3529         return lc->sound_conf.source;
3530 }
3531
3532 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3533 {
3534         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3535         lc->sound_conf.source=source;
3536         if (!sndcard) return;
3537         switch(source){
3538                 case 'm':
3539                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3540                         break;
3541                 case 'l':
3542                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3543                         break;
3544         }
3545
3546 }
3547
3548
3549 /**
3550  * Sets the path to a wav file used for ringing.
3551  *
3552  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3553  * @param lc The LinphoneCore object
3554  *
3555  * @ingroup media_parameters
3556 **/
3557 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3558         if (lc->sound_conf.local_ring!=0){
3559                 ms_free(lc->sound_conf.local_ring);
3560                 lc->sound_conf.local_ring=NULL;
3561         }
3562         if (path)
3563                 lc->sound_conf.local_ring=ms_strdup(path);
3564         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3565                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3566 }
3567
3568 /**
3569  * Returns the path to the wav file used for ringing.
3570  *
3571  * @param lc The LinphoneCore object
3572  * @ingroup media_parameters
3573 **/
3574 const char *linphone_core_get_ring(const LinphoneCore *lc){
3575         return lc->sound_conf.local_ring;
3576 }
3577
3578 /**
3579  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3580  *
3581  * @param path
3582  * @param lc The LinphoneCore object
3583  *
3584  * @ingroup media_parameters
3585 **/
3586 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3587         sal_set_root_ca(lc->sal, path);
3588 }
3589
3590 /**
3591  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3592 **/
3593 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3594         sal_verify_server_certificates(lc->sal,yesno);
3595 }
3596
3597 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3598         LinphoneCore *lc=(LinphoneCore*)ud;
3599         lc->preview_finished=1;
3600 }
3601
3602 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3603 {
3604         if (lc->ringstream!=0){
3605                 ms_warning("Cannot start ring now,there's already a ring being played");
3606                 return -1;
3607         }
3608         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3609         lc->preview_finished=0;
3610         if (lc->sound_conf.ring_sndcard!=NULL){
3611                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3612                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3613         }
3614         return 0;
3615 }
3616
3617 /**
3618  * Sets the path to a wav file used for ringing back.
3619  *
3620  * Ringback means the ring that is heard when it's ringing at the remote party.
3621  * The file must be a wav 16bit linear.
3622  *
3623  * @ingroup media_parameters
3624 **/
3625 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3626         if (lc->sound_conf.remote_ring!=0){
3627                 ms_free(lc->sound_conf.remote_ring);
3628         }
3629         lc->sound_conf.remote_ring=ms_strdup(path);
3630 }
3631
3632 /**
3633  * Returns the path to the wav file used for ringing back.
3634  *
3635  * @ingroup media_parameters
3636 **/
3637 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3638         return lc->sound_conf.remote_ring;
3639 }
3640
3641 /**
3642  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3643  *
3644  * @ingroup media_parameters
3645 **/
3646 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3647         lc->sound_conf.ec=val;
3648         if ( linphone_core_ready(lc))
3649                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3650 }
3651
3652
3653 /**
3654  * Returns TRUE if echo cancellation is enabled.
3655  *
3656  * @ingroup media_parameters
3657 **/
3658 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3659         return lc->sound_conf.ec;
3660 }
3661
3662 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3663         lc->sound_conf.ea=val;
3664 }
3665
3666 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3667         return lc->sound_conf.ea;
3668 }
3669
3670 /**
3671  * Mutes or unmutes the local microphone.
3672  *
3673  * @ingroup media_parameters
3674 **/
3675 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3676         LinphoneCall *call=linphone_core_get_current_call(lc);
3677         AudioStream *st=NULL;
3678         if (linphone_core_is_in_conference(lc)){
3679                 lc->conf_ctx.local_muted=val;
3680                 st=lc->conf_ctx.local_participant;
3681         }else if (call==NULL){
3682                 ms_warning("linphone_core_mute_mic(): No current call !");
3683                 return;
3684         }else{
3685                 st=call->audiostream;
3686                 call->audio_muted=val;
3687         }
3688         if (st!=NULL){
3689                 audio_stream_set_mic_gain(st,
3690                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3691                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3692                         audio_stream_mute_rtp(st,val);
3693                 }
3694
3695         }
3696 }
3697 /**
3698  * Returns whether microphone is muted.
3699 **/
3700 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3701         LinphoneCall *call=linphone_core_get_current_call(lc);
3702         if (linphone_core_is_in_conference(lc)){
3703                 return lc->conf_ctx.local_muted;
3704         }else if (call==NULL){
3705                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3706                 return FALSE;
3707         }
3708         return call->audio_muted;
3709 }
3710
3711 // returns rtp transmission status for an active stream
3712 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3713 // was set on then rtp transmission is also muted
3714 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3715         LinphoneCall *call=linphone_core_get_current_call(lc);
3716         if (call==NULL){
3717                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3718                 return FALSE;
3719         }
3720         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3721                 return call->audio_muted;
3722         }
3723         return FALSE;
3724 }
3725
3726 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3727         lc->sound_conf.agc=val;
3728 }
3729
3730 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3731         return lc->sound_conf.agc;
3732 }
3733
3734 /**
3735  * Send the specified dtmf.
3736  *
3737  * @ingroup media_parameters
3738  * This function only works during calls. The dtmf is automatically played to the user.
3739  * @param lc The LinphoneCore object
3740  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3741  *
3742 **/
3743 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3744 {
3745         LinphoneCall *call=linphone_core_get_current_call(lc);
3746         if (call==NULL){
3747                 ms_warning("linphone_core_send_dtmf(): no active call");
3748                 return;
3749         }
3750         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3751         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3752         {
3753                 /* In Band DTMF */
3754                 if (call->audiostream!=NULL){
3755                         audio_stream_send_dtmf(call->audiostream,dtmf);
3756                 }
3757                 else
3758                 {
3759                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3760                 }
3761         }
3762         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3763                 /* Out of Band DTMF (use INFO method) */
3764                 sal_call_send_dtmf(call->op,dtmf);
3765         }
3766 }
3767
3768 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3769         if (lc->net_conf.stun_server!=NULL)
3770                 ms_free(lc->net_conf.stun_server);
3771         if (server)
3772                 lc->net_conf.stun_server=ms_strdup(server);
3773         else lc->net_conf.stun_server=NULL;
3774         if (linphone_core_ready(lc))
3775                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3776 }
3777
3778 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3779         return lc->net_conf.stun_server;
3780 }
3781
3782 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3783         return lc->net_conf.relay;
3784 }
3785
3786 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3787         if (lc->net_conf.relay!=NULL){
3788                 ms_free(lc->net_conf.relay);
3789                 lc->net_conf.relay=NULL;
3790         }
3791         if (addr){
3792                 lc->net_conf.relay=ms_strdup(addr);
3793         }
3794         return 0;
3795 }
3796
3797 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3798 {
3799         if (lc->net_conf.nat_address!=NULL){
3800                 ms_free(lc->net_conf.nat_address);
3801         }
3802         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3803         else lc->net_conf.nat_address=NULL;
3804         if (lc->sip_conf.contact) update_primary_contact(lc);
3805 }
3806
3807 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3808         return lc->net_conf.nat_address;
3809 }
3810
3811 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3812 {
3813         struct sockaddr_storage ss;
3814         socklen_t ss_len;
3815         int error;
3816         char ipstring [INET6_ADDRSTRLEN];
3817
3818         if (lc->net_conf.nat_address==NULL) return NULL;
3819
3820         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3821                 return lc->net_conf.nat_address;
3822         }
3823
3824         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3825                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3826         if (error) {
3827                 return lc->net_conf.nat_address;
3828         }
3829
3830         if (lc->net_conf.nat_address_ip!=NULL){
3831                 ms_free(lc->net_conf.nat_address_ip);
3832         }
3833         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3834         return lc->net_conf.nat_address_ip;
3835 }
3836
3837 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3838         lc->net_conf.firewall_policy=pol;
3839         if (lc->sip_conf.contact) update_primary_contact(lc);
3840         if (linphone_core_ready(lc))
3841                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3842 }
3843
3844 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3845         return lc->net_conf.firewall_policy;
3846 }
3847
3848 /**
3849  * Get the list of call logs (past calls).
3850  *
3851  * @ingroup call_logs
3852 **/
3853 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3854         return lc->call_logs;
3855 }
3856
3857 /**
3858  * Erase the call log.
3859  *
3860  * @ingroup call_logs
3861 **/
3862 void linphone_core_clear_call_logs(LinphoneCore *lc){
3863         lc->missed_calls=0;
3864         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3865         lc->call_logs=ms_list_free(lc->call_logs);
3866         call_logs_write_to_config_file(lc);
3867 }
3868
3869 /**
3870  * Returns number of missed calls.
3871  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3872 **/
3873 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3874         return lc->missed_calls;
3875 }
3876
3877 /**
3878  * Resets the counter of missed calls.
3879 **/
3880 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3881         lc->missed_calls=0;
3882 }
3883
3884 /**
3885  * Remove a specific call log from call history list.
3886  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3887  * @param lc the linphone core object
3888  * @param a LinphoneCallLog object.
3889 **/
3890 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3891         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3892         call_logs_write_to_config_file(lc);
3893         linphone_call_log_destroy(cl);
3894 }
3895
3896 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3897 #ifdef VIDEO_ENABLED
3898         if (val){
3899                 if (lc->previewstream==NULL){
3900                         lc->previewstream=video_preview_new();
3901                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3902                         if (lc->video_conf.displaytype)
3903                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3904                         if (lc->preview_window_id!=0)
3905                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3906                         video_preview_start(lc->previewstream,lc->video_conf.device);
3907                 }
3908         }else{
3909                 if (lc->previewstream!=NULL){
3910                         video_preview_stop(lc->previewstream);
3911                         lc->previewstream=NULL;
3912                 }
3913         }
3914 #endif
3915 }
3916
3917 /**
3918  * Enables video globally.
3919  *
3920  * @ingroup media_parameters
3921  * This function does not have any effect during calls. It just indicates LinphoneCore to
3922  * initiate future calls with video or not. The two boolean parameters indicate in which
3923  * direction video is enabled. Setting both to false disables video entirely.
3924  *
3925  * @param lc The LinphoneCore object
3926  * @param vcap_enabled indicates whether video capture is enabled
3927  * @param display_enabled indicates whether video display should be shown
3928  *
3929 **/
3930 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3931 #ifndef VIDEO_ENABLED
3932         if (vcap_enabled || display_enabled)
3933                 ms_warning("This version of linphone was built without video support.");
3934 #endif
3935         lc->video_conf.capture=vcap_enabled;
3936         lc->video_conf.display=display_enabled;
3937         if (linphone_core_ready(lc)){
3938                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3939                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3940         }
3941         /* need to re-apply network bandwidth settings*/
3942         linphone_core_set_download_bandwidth(lc,
3943                 linphone_core_get_download_bandwidth(lc));
3944         linphone_core_set_upload_bandwidth(lc,
3945                 linphone_core_get_upload_bandwidth(lc));
3946 }
3947
3948 bool_t linphone_core_video_supported(LinphoneCore *lc){
3949 #ifdef VIDEO_ENABLED
3950         return TRUE;
3951 #else
3952         return FALSE;
3953 #endif
3954 }
3955
3956 /**
3957  * Returns TRUE if video is enabled, FALSE otherwise.
3958  * @ingroup media_parameters
3959 **/
3960 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3961         return (lc->video_conf.display || lc->video_conf.capture);
3962 }
3963
3964 /**
3965  * Sets the default policy for video.
3966  * This policy defines whether:
3967  * - video shall be initiated by default for outgoing calls
3968  * - video shall be accepter by default for incoming calls
3969  * @ingroup media_parameters
3970 **/
3971 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3972         lc->video_policy=*policy;
3973         if (linphone_core_ready(lc)){
3974                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3975                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3976         }
3977 }
3978
3979 /**
3980  * Get the default policy for video.
3981  * See linphone_core_set_video_policy() for more details.
3982  * @ingroup media_parameters
3983 **/
3984 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3985         return &lc->video_policy;
3986 }
3987
3988 /**
3989  * Controls video preview enablement.
3990  *
3991  * @ingroup media_parameters
3992  * Video preview refers to the action of displaying the local webcam image
3993  * to the user while not in call.
3994 **/
3995 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3996         lc->video_conf.show_local=val;
3997         if (linphone_core_ready(lc))
3998                 lp_config_set_int(lc->config,"video","show_local",val);
3999 }
4000
4001 /**
4002  * Returns TRUE if video previewing is enabled.
4003  * @ingroup media_parameters
4004 **/
4005 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4006         return lc->video_conf.show_local;
4007 }
4008
4009 /**
4010  * Enables or disable self view during calls.
4011  *
4012  * @ingroup media_parameters
4013  * Self-view refers to having local webcam image inserted in corner
4014  * of the video window during calls.
4015  * This function works at any time, including during calls.
4016 **/
4017 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4018 #ifdef VIDEO_ENABLED
4019         LinphoneCall *call=linphone_core_get_current_call (lc);
4020         lc->video_conf.selfview=val;
4021         if (call && call->videostream){
4022                 video_stream_enable_self_view(call->videostream,val);
4023         }
4024         if (linphone_core_ready(lc)){
4025                 lp_config_set_int(lc->config,"video","self_view",val);
4026         }
4027 #endif
4028 }
4029
4030 /**
4031  * Returns TRUE if self-view is enabled, FALSE otherwise.
4032  *
4033  * @ingroup media_parameters
4034  *
4035  * Refer to linphone_core_enable_self_view() for details.
4036 **/
4037 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4038         return lc->video_conf.selfview;
4039 }
4040
4041 /**
4042  * Sets the active video device.
4043  *
4044  * @ingroup media_parameters
4045  * @param lc The LinphoneCore object
4046  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4047 **/
4048 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4049         MSWebCam *olddev=lc->video_conf.device;
4050         const char *vd;
4051         if (id!=NULL){
4052                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4053                 if (lc->video_conf.device==NULL){
4054                         ms_warning("Could not find video device %s",id);
4055                 }
4056         }
4057         if (lc->video_conf.device==NULL)
4058                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4059         if (olddev!=NULL && olddev!=lc->video_conf.device){
4060                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4061         }
4062         if ( linphone_core_ready(lc) && lc->video_conf.device){
4063                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4064                 if (vd && strstr(vd,"Static picture")!=NULL){
4065                         vd=NULL;
4066                 }
4067                 lp_config_set_string(lc->config,"video","device",vd);
4068         }
4069         return 0;
4070 }
4071
4072 /**
4073  * Returns the name of the currently active video device.
4074  *
4075  * @param lc The LinphoneCore object
4076  * @ingroup media_parameters
4077 **/
4078 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4079         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4080         return NULL;
4081 }
4082
4083 #ifdef VIDEO_ENABLED
4084 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4085         VideoStream *vs = NULL;
4086         LinphoneCall *call=linphone_core_get_current_call (lc);
4087         /* Select the video stream from the call in the first place */
4088         if (call && call->videostream) {
4089                 vs = call->videostream;
4090         }
4091         /* If not in call, select the video stream from the preview */
4092         if (vs == NULL && lc->previewstream) {
4093                 vs = lc->previewstream;
4094         }
4095         return vs;
4096 }
4097 #endif
4098
4099 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4100 #ifdef VIDEO_ENABLED
4101         VideoStream *vs=get_active_video_stream(lc);
4102         /* If we have a video stream (either preview, either from call), we
4103                  have a source and it is using the static picture filter, then
4104                  force the filter to use that picture. */
4105         if (vs && vs->source) {
4106                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4107                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4108                                                                                                                 (void *)path);
4109                 }
4110         }
4111         /* Tell the static image filter to use that image from now on so
4112                  that the image will be used next time it has to be read */
4113         ms_static_image_set_default_image(path);
4114 #else
4115         ms_warning("Video support not compiled.");
4116 #endif
4117         return 0;
4118 }
4119
4120 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4121 #ifdef VIDEO_ENABLED
4122         VideoStream *vs = NULL;
4123
4124         vs=get_active_video_stream(lc);
4125
4126         /* If we have a video stream (either preview, either from call), we
4127                  have a source and it is using the static picture filter, then
4128                  force the filter to use that picture. */
4129         if (vs && vs->source) {
4130                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4131                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4132                 }
4133         }
4134 #else
4135         ms_warning("Video support not compiled.");
4136 #endif
4137         return 0;
4138 }
4139
4140 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4141 #ifdef VIDEO_ENABLED
4142         VideoStream *vs = NULL;
4143         vs=get_active_video_stream(lc);
4144         /* If we have a video stream (either preview, either from call), we
4145                  have a source and it is using the static picture filter, then
4146                  force the filter to use that picture. */
4147         if (vs && vs->source) {
4148                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4149
4150                         float fps;
4151
4152                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4153                         return fps;
4154                 }
4155         }
4156 #else
4157         ms_warning("Video support not compiled.");
4158 #endif
4159         return 0;
4160 }
4161
4162 /**
4163  * Returns the native window handle of the video window, casted as an unsigned long.
4164  *
4165  * @ingroup media_parameters
4166 **/
4167 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4168 #ifdef VIDEO_ENABLED
4169         LinphoneCall *call=linphone_core_get_current_call (lc);
4170         if (call && call->videostream)
4171                 return video_stream_get_native_window_id(call->videostream);
4172         if (lc->previewstream)
4173                 return video_stream_get_native_window_id(lc->previewstream);
4174 #endif
4175         return lc->video_window_id;
4176 }
4177
4178 /**@ingroup media_parameters
4179  * Set the native video window id where the video is to be displayed.
4180  * If not set the core will create its own window.
4181 **/
4182 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4183 #ifdef VIDEO_ENABLED
4184         LinphoneCall *call=linphone_core_get_current_call(lc);
4185         lc->video_window_id=id;
4186         if (call!=NULL && call->videostream){
4187                 video_stream_set_native_window_id(call->videostream,id);
4188         }
4189 #endif
4190 }
4191
4192 /**
4193  * Returns the native window handle of the video preview window, casted as an unsigned long.
4194  *
4195  * @ingroup media_parameters
4196 **/
4197 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4198 #ifdef VIDEO_ENABLED
4199         LinphoneCall *call=linphone_core_get_current_call (lc);
4200         if (call && call->videostream)
4201                 return video_stream_get_native_preview_window_id(call->videostream);
4202         if (lc->previewstream)
4203                 return video_preview_get_native_window_id(lc->previewstream);
4204 #endif
4205         return lc->preview_window_id;
4206 }
4207
4208 /**
4209  * @ingroup media_parameters
4210  * Set the native window id where the preview video (local camera) is to be displayed.
4211  * This has to be used in conjonction with linphone_core_use_preview_window().
4212  * If not set the core will create its own window.
4213 **/
4214 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4215         lc->preview_window_id=id;
4216 #ifdef VIDEO_ENABLED
4217         LinphoneCall *call=linphone_core_get_current_call(lc);
4218         if (call!=NULL && call->videostream){
4219                 video_stream_set_native_preview_window_id(call->videostream,id);
4220         }else if (lc->previewstream){
4221                 video_preview_set_native_window_id(lc->previewstream,id);
4222         }
4223 #endif
4224 }
4225
4226 /**
4227  * Can be used to disable video showing to free XV port
4228 **/
4229 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4230 #ifdef VIDEO_ENABLED
4231         ms_error("linphone_core_show_video %d", show);
4232         LinphoneCall *call=linphone_core_get_current_call(lc);
4233         if (call!=NULL && call->videostream){
4234                 video_stream_show_video(call->videostream,show);
4235         }
4236 #endif
4237 }
4238
4239 /**
4240  * Tells the core to use a separate window for local camera preview video, instead of
4241  * inserting local view within the remote video window.
4242  *
4243 **/
4244 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4245         lc->use_preview_window=yesno;
4246 }
4247 /**
4248  * @ingroup media_parameters
4249  *returns current device orientation
4250  */
4251 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4252         return lc->device_rotation;
4253 }
4254 /**
4255  * @ingroup media_parameters
4256  * Tells the core the device current orientation. This can be used by capture filters
4257  * on mobile devices to select between portrait/landscape mode and to produce properly
4258  * oriented images. The exact meaning of the value in rotation if left to each device
4259  * specific implementations.
4260  *@param lc  object.
4261  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4262  *
4263 **/
4264 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4265 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4266         lc->device_rotation = rotation;
4267 #ifdef VIDEO_ENABLED
4268         LinphoneCall *call=linphone_core_get_current_call(lc);
4269         if (call!=NULL && call->videostream){
4270                 video_stream_set_device_rotation(call->videostream,rotation);
4271         }
4272 #endif
4273 }
4274
4275 static MSVideoSizeDef supported_resolutions[]={
4276 #ifdef ENABLE_HD
4277         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4278         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4279 #endif
4280         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4281         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4282         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4283         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4284         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4285         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4286         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4287         {       {0,0}                   ,       NULL    }
4288 };
4289
4290 /**
4291  * Returns the zero terminated table of supported video resolutions.
4292  *
4293  * @ingroup media_parameters
4294 **/
4295 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4296         return supported_resolutions;
4297 }
4298
4299 static MSVideoSize video_size_get_by_name(const char *name){
4300         MSVideoSizeDef *pdef=supported_resolutions;
4301         MSVideoSize null_vsize={0,0};
4302         for(;pdef->name!=NULL;pdef++){
4303                 if (strcasecmp(name,pdef->name)==0){
4304                         return pdef->vsize;
4305                 }
4306         }
4307         ms_warning("Video resolution %s is not supported in linphone.",name);
4308         return null_vsize;
4309 }
4310
4311 static const char *video_size_get_name(MSVideoSize vsize){
4312         MSVideoSizeDef *pdef=supported_resolutions;
4313         for(;pdef->name!=NULL;pdef++){
4314                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4315                         return pdef->name;
4316                 }
4317         }
4318         return NULL;
4319 }
4320
4321 static bool_t video_size_supported(MSVideoSize vsize){
4322         if (video_size_get_name(vsize)) return TRUE;
4323         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4324         return FALSE;
4325 }
4326
4327 /**
4328  * Sets the preferred video size.
4329  *
4330  * @ingroup media_parameters
4331  * This applies only to the stream that is captured and sent to the remote party,
4332  * since we accept all standard video size on the receive path.
4333 **/
4334 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4335         if (video_size_supported(vsize)){
4336                 MSVideoSize oldvsize=lc->video_conf.vsize;
4337                 lc->video_conf.vsize=vsize;
4338                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4339                         toggle_video_preview(lc,FALSE);
4340                         toggle_video_preview(lc,TRUE);
4341                 }
4342                 if ( linphone_core_ready(lc))
4343                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4344         }
4345 }
4346
4347 /**
4348  * Sets the preferred video size by its name.
4349  *
4350  * @ingroup media_parameters
4351  * This is identical to linphone_core_set_preferred_video_size() except
4352  * that it takes the name of the video resolution as input.
4353  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4354 **/
4355 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4356         MSVideoSize vsize=video_size_get_by_name(name);
4357         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4358         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4359         else linphone_core_set_preferred_video_size(lc,default_vsize);
4360 }
4361
4362 /**
4363  * Returns the current preferred video size for sending.
4364  *
4365  * @ingroup media_parameters
4366 **/
4367 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4368         return lc->video_conf.vsize;
4369 }
4370
4371 /**
4372  * Ask the core to stream audio from and to files, instead of using the soundcard.
4373 **/
4374 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4375         lc->use_files=yesno;
4376 }
4377
4378 /**
4379  * Sets a wav file to be played when putting somebody on hold,
4380  * or when files are used instead of soundcards (see linphone_core_use_files()).
4381  *
4382  * The file must be a 16 bit linear wav file.
4383 **/
4384 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4385         LinphoneCall *call=linphone_core_get_current_call(lc);
4386         if (lc->play_file!=NULL){
4387                 ms_free(lc->play_file);
4388                 lc->play_file=NULL;
4389         }
4390         if (file!=NULL) {
4391                 lc->play_file=ms_strdup(file);
4392                 if (call && call->audiostream && call->audiostream->ticker)
4393                         audio_stream_play(call->audiostream,file);
4394         }
4395 }
4396
4397
4398 /**
4399  * Sets a wav file where incoming stream is to be recorded,
4400  * when files are used instead of soundcards (see linphone_core_use_files()).
4401  *
4402  * The file must be a 16 bit linear wav file.
4403 **/
4404 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4405         LinphoneCall *call=linphone_core_get_current_call(lc);
4406         if (lc->rec_file!=NULL){
4407                 ms_free(lc->rec_file);
4408                 lc->rec_file=NULL;
4409         }
4410         if (file!=NULL) {
4411                 lc->rec_file=ms_strdup(file);
4412                 if (call && call->audiostream)
4413                         audio_stream_record(call->audiostream,file);
4414         }
4415 }
4416
4417
4418 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4419         LinphoneCall *call=linphone_core_get_current_call (lc);
4420         AudioStream *stream=NULL;
4421         if (call){
4422                 stream=call->audiostream;
4423         }else if (linphone_core_is_in_conference(lc)){
4424                 stream=lc->conf_ctx.local_participant;
4425         }
4426         if (stream){
4427                 return stream->dtmfgen;
4428         }
4429         if (lc->ringstream==NULL){
4430                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4431                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4432                 if (ringcard == NULL)
4433                         return NULL;
4434
4435                 lc->ringstream=ring_start(NULL,0,ringcard);
4436                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4437                 lc->dmfs_playing_start_time=time(NULL);
4438         }else{
4439                 if (lc->dmfs_playing_start_time!=0)
4440                         lc->dmfs_playing_start_time=time(NULL);
4441         }
4442         return lc->ringstream->gendtmf;
4443 }
4444
4445 /**
4446  * @ingroup media_parameters
4447  * Plays a dtmf sound to the local user.
4448  * @param lc #LinphoneCore
4449  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4450  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4451 **/
4452 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4453         MSFilter *f=get_dtmf_gen(lc);
4454         if (f==NULL){
4455                 ms_error("No dtmf generator at this time !");
4456                 return;
4457         }
4458
4459         if (duration_ms>0)
4460                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4461         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4462 }
4463
4464 /**
4465  * @ingroup media_parameters
4466  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4467  * @param lc #LinphoneCore
4468 **/
4469 void linphone_core_play_tone(LinphoneCore *lc){
4470         MSFilter *f=get_dtmf_gen(lc);
4471         MSDtmfGenCustomTone def;
4472         if (f==NULL){
4473                 ms_error("No dtmf generator at this time !");
4474                 return;
4475         }
4476         def.duration=300;
4477         def.frequency=500;
4478         def.amplitude=1;
4479         def.interval=2000;
4480         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4481 }
4482
4483 /**
4484  * @ingroup media_parameters
4485  *
4486  * Stops playing a dtmf started by linphone_core_play_dtmf().
4487 **/
4488 void linphone_core_stop_dtmf(LinphoneCore *lc){
4489         MSFilter *f=get_dtmf_gen(lc);
4490         if (f!=NULL)
4491                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4492 }
4493
4494
4495
4496 /**
4497  * Retrieves the user pointer that was given to linphone_core_new()
4498  *
4499  * @ingroup initializing
4500 **/
4501 void *linphone_core_get_user_data(LinphoneCore *lc){
4502         return lc->data;
4503 }
4504
4505 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4506         lc->data=userdata;
4507 }
4508
4509 int linphone_core_get_mtu(const LinphoneCore *lc){
4510         return lc->net_conf.mtu;
4511 }
4512
4513 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4514         lc->net_conf.mtu=mtu;
4515         if (mtu>0){
4516                 if (mtu<500){
4517                         ms_error("MTU too small !");
4518                         mtu=500;
4519                 }
4520                 ms_set_mtu(mtu);
4521                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4522         }else ms_set_mtu(0);//use mediastreamer2 default value
4523 }
4524
4525 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4526         lc->wait_cb=cb;
4527         lc->wait_ctx=user_context;
4528 }
4529
4530 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4531         if (lc->wait_cb){
4532                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4533         }
4534 }
4535
4536 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4537         if (lc->wait_cb){
4538                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4539         }else{
4540 #ifdef WIN32
4541                 Sleep(50000);
4542 #else
4543                 usleep(50000);
4544 #endif
4545         }
4546 }
4547
4548 void linphone_core_stop_waiting(LinphoneCore *lc){
4549         if (lc->wait_cb){
4550                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4551         }
4552 }
4553
4554 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4555         lc->rtptf=factories;
4556 }
4557
4558 /**
4559  * Retrieve RTP statistics regarding current call.
4560  * @param local RTP statistics computed locally.
4561  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4562  *
4563  * @note Remote RTP statistics is not implemented yet.
4564  *
4565  * @returns 0 or -1 if no call is running.
4566 **/
4567
4568 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4569         LinphoneCall *call=linphone_core_get_current_call (lc);
4570         if (call!=NULL){
4571                 if (call->audiostream!=NULL){
4572                         memset(remote,0,sizeof(*remote));
4573                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4574                         return 0;
4575                 }
4576         }
4577         return -1;
4578 }
4579
4580 void net_config_uninit(LinphoneCore *lc)
4581 {
4582         net_config_t *config=&lc->net_conf;
4583
4584         if (config->stun_server!=NULL){
4585                 ms_free(lc->net_conf.stun_server);
4586         }
4587         if (config->nat_address!=NULL){
4588                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4589                 ms_free(lc->net_conf.nat_address);
4590         }
4591         if (lc->net_conf.nat_address_ip !=NULL){
4592                 ms_free(lc->net_conf.nat_address_ip);
4593         }
4594         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4595 }
4596
4597
4598 void sip_config_uninit(LinphoneCore *lc)
4599 {
4600         MSList *elem;
4601         int i;
4602         sip_config_t *config=&lc->sip_conf;
4603
4604         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4605         lp_config_set_string(lc->config,"sip","contact",config->contact);
4606         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4607         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4608         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4609         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4610         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4611
4612
4613
4614
4615         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4616                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4617                 linphone_proxy_config_edit(cfg);        /* to unregister */
4618         }
4619
4620         for (i=0;i<20;i++){
4621                 sal_iterate(lc->sal);
4622 #ifndef WIN32
4623                 usleep(100000);
4624 #else
4625                 Sleep(100);
4626 #endif
4627         }
4628
4629         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4630         ms_list_free(config->proxies);
4631         config->proxies=NULL;
4632
4633         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4634
4635         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4636         ms_list_free(lc->auth_info);
4637         lc->auth_info=NULL;
4638
4639         sal_uninit(lc->sal);
4640         lc->sal=NULL;
4641
4642         if (lc->sip_conf.guessed_contact)
4643                 ms_free(lc->sip_conf.guessed_contact);
4644         if (config->contact)
4645                 ms_free(config->contact);
4646
4647 }
4648
4649 void rtp_config_uninit(LinphoneCore *lc)
4650 {
4651         rtp_config_t *config=&lc->rtp_conf;
4652         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4653                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4654         } else {
4655                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4656         }
4657         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4658                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4659         } else {
4660                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4661         }
4662         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4663         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4664         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4665         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4666         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4667 }
4668
4669 static void sound_config_uninit(LinphoneCore *lc)
4670 {
4671         sound_config_t *config=&lc->sound_conf;
4672         ms_free(config->cards);
4673
4674         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4675
4676         if (config->local_ring) ms_free(config->local_ring);
4677         if (config->remote_ring) ms_free(config->remote_ring);
4678         ms_snd_card_manager_destroy();
4679 }
4680
4681 static void video_config_uninit(LinphoneCore *lc)
4682 {
4683         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4684         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4685         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4686         if (lc->video_conf.cams)
4687                 ms_free(lc->video_conf.cams);
4688 }
4689
4690 void _linphone_core_codec_config_write(LinphoneCore *lc){
4691         if (linphone_core_ready(lc)){
4692                 PayloadType *pt;
4693                 codecs_config_t *config=&lc->codecs_conf;
4694                 MSList *node;
4695                 char key[50];
4696                 int index;
4697                 index=0;
4698                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4699                         pt=(PayloadType*)(node->data);
4700                         sprintf(key,"audio_codec_%i",index);
4701                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4702                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4703                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4704                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4705                         index++;
4706                 }
4707                 sprintf(key,"audio_codec_%i",index);
4708                 lp_config_clean_section (lc->config,key);
4709
4710                 index=0;
4711                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4712                         pt=(PayloadType*)(node->data);
4713                         sprintf(key,"video_codec_%i",index);
4714                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4715                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4716                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4717                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4718                         index++;
4719                 }
4720                 sprintf(key,"video_codec_%i",index);
4721                 lp_config_clean_section (lc->config,key);
4722         }
4723 }
4724
4725 static void codecs_config_uninit(LinphoneCore *lc)
4726 {
4727         _linphone_core_codec_config_write(lc);
4728         ms_list_free(lc->codecs_conf.audio_codecs);
4729         ms_list_free(lc->codecs_conf.video_codecs);
4730 }
4731
4732 void ui_config_uninit(LinphoneCore* lc)
4733 {
4734         if (lc->friends){
4735                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4736                 ms_list_free(lc->friends);
4737                 lc->friends=NULL;
4738         }
4739 }
4740
4741 /**
4742  * Returns the LpConfig object used to manage the storage (config) file.
4743  *
4744  * @ingroup misc
4745  * The application can use the LpConfig object to insert its own private
4746  * sections and pairs of key=value in the configuration file.
4747  *
4748 **/
4749 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4750         return lc->config;
4751 }
4752
4753 static void linphone_core_uninit(LinphoneCore *lc)
4754 {
4755         linphone_core_free_hooks(lc);
4756         while(lc->calls)
4757         {
4758                 LinphoneCall *the_call = lc->calls->data;
4759                 linphone_core_terminate_call(lc,the_call);
4760                 linphone_core_iterate(lc);
4761 #ifdef WIN32
4762                 Sleep(50000);
4763 #else
4764                 usleep(50000);
4765 #endif
4766         }
4767         if (lc->friends)
4768                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4769         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4770 #ifdef VIDEO_ENABLED
4771         if (lc->previewstream!=NULL){
4772                 video_preview_stop(lc->previewstream);
4773                 lc->previewstream=NULL;
4774         }
4775 #endif
4776         ms_event_queue_destroy(lc->msevq);
4777         lc->msevq=NULL;
4778         /* save all config */
4779         net_config_uninit(lc);
4780         rtp_config_uninit(lc);
4781         if (lc->ringstream) ring_stop(lc->ringstream);
4782         sound_config_uninit(lc);
4783         video_config_uninit(lc);
4784         codecs_config_uninit(lc);
4785         ui_config_uninit(lc);
4786         sip_config_uninit(lc);
4787         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4788         lp_config_destroy(lc->config);
4789         lc->config = NULL; /* Mark the config as NULL to block further calls */
4790         sip_setup_unregister_all();
4791
4792         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4793         lc->call_logs=ms_list_free(lc->call_logs);
4794
4795         linphone_core_free_payload_types(lc);
4796         ortp_exit();
4797         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4798 #ifdef TUNNEL_ENABLED
4799         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4800 #endif
4801 }
4802
4803 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4804         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4805         // second get the list of available proxies
4806         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4807         for(;elem!=NULL;elem=elem->next){
4808                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4809                 if (linphone_proxy_config_register_enabled(cfg) ) {
4810                         if (!isReachable) {
4811                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4812                         }else{
4813                                 cfg->commit=TRUE;
4814                         }
4815                 }
4816         }
4817         lc->netup_time=curtime;
4818         lc->network_reachable=isReachable;
4819         if(!isReachable) {
4820                 sal_reset_transports(lc->sal);
4821         }
4822 }
4823
4824 void linphone_core_refresh_registers(LinphoneCore* lc) {
4825         const MSList *elem;
4826         if (!lc->network_reachable) {
4827                 ms_warning("Refresh register operation not available (network unreachable)");
4828                 return;
4829         }
4830         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) && linphone_proxy_config_get_expires(cfg)>0) {
4834                         linphone_proxy_config_refresh_register(cfg);
4835                 }
4836         }
4837 }
4838
4839 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4840         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4841         for(;elem!=NULL;elem=elem->next){
4842                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4843                 if (linphone_proxy_config_register_enabled(cfg)) {
4844                         linphone_proxy_config_edit(cfg);
4845                         linphone_proxy_config_done(cfg);
4846                 }
4847         }
4848 }
4849
4850 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4851         //first disable automatic mode
4852         if (lc->auto_net_state_mon) {
4853                 ms_message("Disabling automatic network state monitoring");
4854                 lc->auto_net_state_mon=FALSE;
4855         }
4856         set_network_reachable(lc,isReachable, ms_time(NULL));
4857 }
4858
4859 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4860         return lc->network_reachable;
4861 }
4862 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4863         return sal_get_socket(lc->sal);
4864 }
4865 /**
4866  * Destroys a LinphoneCore
4867  *
4868  * @ingroup initializing
4869 **/
4870 void linphone_core_destroy(LinphoneCore *lc){
4871         linphone_core_uninit(lc);
4872         ms_free(lc);
4873 }
4874 /**
4875  * Get the number of Call
4876  *
4877  * @ingroup call_control
4878 **/
4879 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4880         return  ms_list_size(lc->calls);;
4881 }
4882
4883 /**
4884  * Check if we do not have exceed the number of simultaneous call
4885  *
4886  * @ingroup call_control
4887 **/
4888 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4889 {
4890         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4891                 return TRUE;
4892         ms_message("Maximum amount of simultaneous calls reached !");
4893         return FALSE;
4894 }
4895
4896
4897 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4898 {
4899         if(linphone_core_can_we_add_call(lc))
4900         {
4901                 lc->calls = ms_list_append(lc->calls,call);
4902                 return 0;
4903         }
4904         return -1;
4905 }
4906
4907 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4908 {
4909         MSList *it;
4910         MSList *the_calls = lc->calls;
4911
4912         it=ms_list_find(the_calls,call);
4913         if (it)
4914         {
4915                 the_calls = ms_list_remove_link(the_calls,it);
4916         }
4917         else
4918         {
4919                 ms_warning("could not find the call into the list\n");
4920                 return -1;
4921         }
4922         lc->calls = the_calls;
4923         return 0;
4924 }
4925
4926 /**
4927  * Specifiies a ring back tone to be played to far end during incoming calls.
4928 **/
4929 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4930         if (lc->sound_conf.ringback_tone){
4931                 ms_free(lc->sound_conf.ringback_tone);
4932                 lc->sound_conf.ringback_tone=NULL;
4933         }
4934         if (file)
4935                 lc->sound_conf.ringback_tone=ms_strdup(file);
4936 }
4937
4938 /**
4939  * Returns the ring back tone played to far end during incoming calls.
4940 **/
4941 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4942         return lc->sound_conf.ringback_tone;
4943 }
4944
4945 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
4946         const MSList *elem;
4947         for(elem=from;elem!=NULL;elem=elem->next){
4948                 PayloadType *pt=(PayloadType*)elem->data;
4949                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
4950                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
4951                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
4952                         return pt;
4953                 }
4954         }
4955         return NULL;
4956 }
4957
4958
4959 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
4960         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
4961         if (result)  {
4962                 return result;
4963         } else {
4964                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
4965                 if (result) {
4966                         return result;
4967                 }
4968         }
4969         /*not found*/
4970         return NULL;
4971 }
4972
4973 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4974         switch(gs){
4975                 case LinphoneGlobalOff:
4976                         return "LinphoneGlobalOff";
4977                 break;
4978                 case LinphoneGlobalOn:
4979                         return "LinphoneGlobalOn";
4980                 break;
4981                 case LinphoneGlobalStartup:
4982                         return "LinphoneGlobalStartup";
4983                 break;
4984                 case LinphoneGlobalShutdown:
4985                         return "LinphoneGlobalShutdown";
4986                 break;
4987         }
4988         return NULL;
4989 }
4990
4991 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4992         return lc->state;
4993 }
4994
4995 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4996         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4997         linphone_core_init_default_params(lc, p);
4998         return p;
4999 }
5000
5001 const char *linphone_reason_to_string(LinphoneReason err){
5002         switch(err){
5003                 case LinphoneReasonNone:
5004                         return "No error";
5005                 case LinphoneReasonNoResponse:
5006                         return "No response";
5007                 case LinphoneReasonBadCredentials:
5008                         return "Bad credentials";
5009                 case LinphoneReasonDeclined:
5010                         return "Call declined";
5011                 case LinphoneReasonNotFound:
5012                         return "User not found";
5013                 case LinphoneReasonNotAnswered:
5014                         return "Not answered";
5015                 case LinphoneReasonBusy:
5016                         return "Busy";
5017         }
5018         return "unknown error";
5019 }
5020
5021 const char *linphone_error_to_string(LinphoneReason err){
5022         return linphone_reason_to_string(err);
5023 }
5024 /**
5025  * Enables signaling keep alive
5026  */
5027 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5028         if (enable > 0) {
5029                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5030         } else {
5031                 sal_set_keepalive_period(lc->sal,0);
5032         }
5033 }
5034 /**
5035  * Is signaling keep alive enabled
5036  */
5037 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5038         return sal_get_keepalive_period(lc->sal) > 0;
5039 }
5040
5041 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5042         get_dtmf_gen(lc); /*make sure ring stream is started*/
5043         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5044 }
5045
5046 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5047         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5048                 ring_stop(lc->ringstream);
5049                 lc->ringstream=NULL;
5050         }
5051 }
5052
5053 int linphone_core_get_max_calls(LinphoneCore *lc) {
5054         return lc->max_calls;
5055 }
5056 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5057         lc->max_calls=max;
5058 }
5059
5060 typedef struct Hook{
5061         LinphoneCoreIterateHook fun;
5062         void *data;
5063 }Hook;
5064
5065 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5066         Hook *h=ms_new(Hook,1);
5067         h->fun=hook;
5068         h->data=hook_data;
5069         return h;
5070 }
5071
5072 static void hook_invoke(Hook *h){
5073         h->fun(h->data);
5074 }
5075
5076 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5077         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5078 }
5079
5080 static void linphone_core_run_hooks(LinphoneCore *lc){
5081         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5082 }
5083
5084 static void linphone_core_free_hooks(LinphoneCore *lc){
5085         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5086         ms_list_free(lc->hooks);
5087         lc->hooks=NULL;
5088 }
5089
5090 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5091         MSList *elem;
5092         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5093                 Hook *h=(Hook*)elem->data;
5094                 if (h->fun==hook && h->data==hook_data){
5095                         ms_list_remove_link(lc->hooks,elem);
5096                         ms_free(h);
5097                         return;
5098                 }
5099         }
5100         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5101 }
5102
5103 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5104         if (lc->zrtp_secrets_cache != NULL) {
5105                 ms_free(lc->zrtp_secrets_cache);
5106         }
5107         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5108 }
5109
5110 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5111         if (uri == NULL) return NULL;
5112         MSList *calls=lc->calls;
5113         while(calls) {
5114                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5115                 calls=calls->next;
5116                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5117                 char *current_uri=linphone_address_as_string_uri_only(address);
5118                 if (strcmp(uri,current_uri)==0) {
5119                         ms_free(current_uri);
5120                         return c;
5121                 } else {
5122                         ms_free(current_uri);
5123                 }
5124         }
5125         return NULL;
5126 }
5127
5128
5129 /**
5130  * Check if a call will need the sound resources.
5131  *
5132  * @ingroup call_control
5133  * @param lc The LinphoneCore
5134 **/
5135 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5136         MSList *calls=lc->calls;
5137         while(calls) {
5138                 LinphoneCall *c=(LinphoneCall*)calls->data;
5139                 calls=calls->next;
5140                 switch (c->state) {
5141                         case LinphoneCallOutgoingInit:
5142                         case LinphoneCallOutgoingProgress:
5143                         case LinphoneCallOutgoingRinging:
5144                         case LinphoneCallOutgoingEarlyMedia:
5145                         case LinphoneCallConnected:
5146                         case LinphoneCallRefered:
5147                         case LinphoneCallIncomingEarlyMedia:
5148                         case LinphoneCallUpdating:
5149                                 return TRUE;
5150                         default:
5151                                 break;
5152                 }
5153         }
5154         return FALSE;
5155 }
5156
5157 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5158         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5159 }
5160
5161 /**
5162  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5163 **/
5164 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5165         switch(menc){
5166                 case LinphoneMediaEncryptionSRTP:
5167                         return ortp_srtp_supported();
5168                 case LinphoneMediaEncryptionZRTP:
5169                         return ortp_zrtp_available();
5170                 case LinphoneMediaEncryptionNone:
5171                         return TRUE;
5172         }
5173         return FALSE;
5174 }
5175
5176 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5177         const char *type="none";
5178         int ret=0;
5179         if (menc == LinphoneMediaEncryptionSRTP){
5180                 if (!ortp_srtp_supported()){
5181                         ms_warning("SRTP not supported by library.");
5182                         type="none";
5183                         ret=-1;
5184                 }else type="srtp";
5185         }else if (menc == LinphoneMediaEncryptionZRTP){
5186                 if (!ortp_zrtp_available()){
5187                         ms_warning("ZRTP not supported by library.");
5188                         type="none";
5189                         ret=-1;
5190                 }else type="zrtp";
5191         }
5192         lp_config_set_string(lc->config,"sip","media_encryption",type);
5193         return ret;
5194 }
5195
5196 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5197         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5198
5199         if (menc == NULL)
5200                 return LinphoneMediaEncryptionNone;
5201         else if (strcmp(menc, "srtp")==0)
5202                 return LinphoneMediaEncryptionSRTP;
5203         else if (strcmp(menc, "zrtp")==0)
5204                 return LinphoneMediaEncryptionZRTP;
5205         else
5206                 return LinphoneMediaEncryptionNone;
5207 }
5208
5209 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5210         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5211 }
5212
5213 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5214         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5215 }
5216
5217 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5218         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5219         params->media_encryption=linphone_core_get_media_encryption(lc);
5220         params->in_conference=FALSE;
5221 }
5222
5223
5224
5225 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5226         if (lc->device_id) ms_free(lc->device_id);
5227         lc->device_id=ms_strdup(device_id);
5228 }
5229 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5230         return lc->device_id;
5231 }
5232
5233 /**
5234  * Set the DSCP field for SIP signaling channel.
5235  *
5236  * @ingroup network_parameters
5237  * * The DSCP defines the quality of service in IP packets.
5238  *
5239 **/
5240 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5241         sal_set_dscp(lc->sal,dscp);
5242         if (linphone_core_ready(lc))
5243                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5244 }
5245
5246 /**
5247  * Get the DSCP field for SIP signaling channel.
5248  *
5249  * @ingroup network_parameters
5250  * * The DSCP defines the quality of service in IP packets.
5251  *
5252 **/
5253 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5254         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5255 }
5256
5257 /**
5258  * Set the DSCP field for outgoing audio streams.
5259  *
5260  * @ingroup network_parameters
5261  * The DSCP defines the quality of service in IP packets.
5262  *
5263 **/
5264 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5265         if (linphone_core_ready(lc))
5266                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5267 }
5268
5269 /**
5270  * Get the DSCP field for outgoing audio streams.
5271  *
5272  * @ingroup network_parameters
5273  * The DSCP defines the quality of service in IP packets.
5274  *
5275 **/
5276 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5277         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5278 }
5279
5280 /**
5281  * Set the DSCP field for outgoing video streams.
5282  *
5283  * @ingroup network_parameters
5284  * The DSCP defines the quality of service in IP packets.
5285  *
5286 **/
5287 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5288         if (linphone_core_ready(lc))
5289                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5290
5291 }
5292
5293 /**
5294  * Get the DSCP field for outgoing video streams.
5295  *
5296  * @ingroup network_parameters
5297  * The DSCP defines the quality of service in IP packets.
5298  *
5299 **/
5300 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5301         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5302 }