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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 /*#define UNSTANDART_GSM_11K 1*/
  46
  47 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  48
  49 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  50 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  51 static void linphone_core_run_hooks(LinphoneCore *lc);
  52 static void linphone_core_free_hooks(LinphoneCore *lc);
  53
  54 #include "enum.h"
  55 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  56 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  57 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  58
  59 /* relative path where is stored local ring*/
  60 #define LOCAL_RING "rings/oldphone.wav"
  61 /* same for remote ring (ringback)*/
  62 #define REMOTE_RING "ringback.wav"
  63 #define HOLD_MUSIC "rings/toy-mono.wav"
  64
  65
  66 extern SalCallbacks linphone_sal_callbacks;
  67
  68 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  69 {
  70   obj->_func=func;
  71   obj->_user_data=ud;
  72 }
  73
  74 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  75         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  76         return 0;
  77 }
  78
  79
  80 /*prevent a gcc bug with %c*/
  81 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  82 #if !defined(_WIN32_WCE)
  83         return strftime(s, max, fmt, tm);
  84 #else
  85         return 0;
  86         /*FIXME*/
  87 #endif /*_WIN32_WCE*/
  88 }
  89
  90 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  91         struct tm loctime;
  92 #ifdef WIN32
  93 #if !defined(_WIN32_WCE)
  94         loctime=*localtime(&start_time);
  95         /*FIXME*/
  96 #endif /*_WIN32_WCE*/
  97 #else
  98         localtime_r(&start_time,&loctime);
  99 #endif
 100         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 101 }
 102
 103 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 104         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 105         cl->dir=call->dir;
 106         cl->start_date_time=call->start_time;
 107         set_call_log_date(cl,cl->start_date_time);
 108         cl->from=from;
 109         cl->to=to;
 110     cl->status=LinphoneCallAborted; /*default status*/
 111         return cl;
 112 }
 113
 114 void call_logs_write_to_config_file(LinphoneCore *lc){
 115         MSList *elem;
 116         char logsection[32];
 117         int i;
 118         char *tmp;
 119         LpConfig *cfg=lc->config;
 120
 121         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 122
 123         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 124                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 125                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 126                 lp_config_clean_section(cfg,logsection);
 127                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 128                 lp_config_set_int(cfg,logsection,"status",cl->status);
 129                 tmp=linphone_address_as_string(cl->from);
 130                 lp_config_set_string(cfg,logsection,"from",tmp);
 131                 ms_free(tmp);
 132                 tmp=linphone_address_as_string(cl->to);
 133                 lp_config_set_string(cfg,logsection,"to",tmp);
 134                 ms_free(tmp);
 135                 if (cl->start_date_time)
 136                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 137                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 138                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 139                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 140                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 141                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 142                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 143         }
 144         for(;i<lc->max_call_logs;++i){
 145                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 146                 lp_config_clean_section(cfg,logsection);
 147         }
 148 }
 149
 150 static time_t string_to_time(const char *date){
 151 #ifndef WIN32
 152         struct tm tmtime={0};
 153         strptime(date,"%c",&tmtime);
 154         return mktime(&tmtime);
 155 #else
 156         return 0;
 157 #endif
 158 }
 159
 160 static void call_logs_read_from_config_file(LinphoneCore *lc){
 161         char logsection[32];
 162         int i;
 163         const char *tmp;
 164         uint64_t sec;
 165         LpConfig *cfg=lc->config;
 166         for(i=0;;++i){
 167                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 168                 if (lp_config_has_section(cfg,logsection)){
 169                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 170                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 171                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 172                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 173                         if (tmp) cl->from=linphone_address_new(tmp);
 174                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 175                         if (tmp) cl->to=linphone_address_new(tmp);
 176                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 177                         if (sec) {
 178                                 /*new call log format with date expressed in seconds */
 179                                 cl->start_date_time=(time_t)sec;
 180                                 set_call_log_date(cl,cl->start_date_time);
 181                         }else{
 182                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 183                                 if (tmp) {
 184                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 185                                         cl->start_date_time=string_to_time(cl->start_date);
 186                                 }
 187                         }
 188                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 189                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 190                         if (tmp) cl->refkey=ms_strdup(tmp);
 191                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 192                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 193                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 194                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 195                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 196                 }else break;
 197         }
 198 }
 199
 200
 201
 202 /**
 203  * @addtogroup call_logs
 204  * @{
 205 **/
 206
 207 /**
 208  * Returns a human readable string describing the call.
 209  *
 210  * @note: the returned char* must be freed by the application (use ms_free()).
 211 **/
 212 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 213         char *status;
 214         char *tmp;
 215         char *from=linphone_address_as_string (cl->from);
 216         char *to=linphone_address_as_string (cl->to);
 217         switch(cl->status){
 218                 case LinphoneCallAborted:
 219                         status=_("aborted");
 220                         break;
 221                 case LinphoneCallSuccess:
 222                         status=_("completed");
 223                         break;
 224                 case LinphoneCallMissed:
 225                         status=_("missed");
 226                         break;
 227                 default:
 228                         status="unknown";
 229         }
 230         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 231                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 232                         cl->start_date,
 233                         from,
 234                         to,
 235                         status,
 236                         cl->duration/60,
 237                         cl->duration%60);
 238         ms_free(from);
 239         ms_free(to);
 240         return tmp;
 241 }
 242
 243 /**
 244  * Returns RTP statistics computed locally regarding the call.
 245  *
 246 **/
 247 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 248         return &cl->local_stats;
 249 }
 250
 251 /**
 252  * Returns RTP statistics computed by remote end and sent back via RTCP.
 253  *
 254  * @note Not implemented yet.
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 257         return &cl->remote_stats;
 258 }
 259
 260 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 261         cl->user_pointer=up;
 262 }
 263
 264 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 265         return cl->user_pointer;
 266 }
 267
 268
 269
 270 /**
 271  * Associate a persistent reference key to the call log.
 272  *
 273  * The reference key can be for example an id to an external database.
 274  * It is stored in the config file, thus can survive to process exits/restarts.
 275  *
 276 **/
 277 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 278         if (cl->refkey!=NULL){
 279                 ms_free(cl->refkey);
 280                 cl->refkey=NULL;
 281         }
 282         if (refkey) cl->refkey=ms_strdup(refkey);
 283 }
 284
 285 /**
 286  * Get the persistent reference key associated to the call log.
 287  *
 288  * The reference key can be for example an id to an external database.
 289  * It is stored in the config file, thus can survive to process exits/restarts.
 290  *
 291 **/
 292 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 293         return cl->refkey;
 294 }
 295
 296 /** @} */
 297
 298 void linphone_call_log_destroy(LinphoneCallLog *cl){
 299         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 300         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 301         if (cl->refkey!=NULL) ms_free(cl->refkey);
 302         if (cl->call_id) ms_free((void*)cl->call_id);
 303         ms_free(cl);
 304 }
 305
 306 /**
 307  * Returns TRUE if the LinphoneCall asked to autoanswer
 308  *
 309 **/
 310 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 311         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 312         if(call)
 313                 return sal_call_autoanswer_asked(call->op);
 314         else
 315                 return FALSE;
 316 }
 317
 318 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 319         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 320         if (call)  return linphone_call_get_duration(call);
 321         return -1;
 322 }
 323
 324 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 325         LinphoneCall *call=linphone_core_get_current_call(lc);
 326         if (call==NULL) return NULL;
 327         return linphone_call_get_remote_address(call);
 328 }
 329
 330 /**
 331  * Enable logs in supplied FILE*.
 332  *
 333  * @ingroup misc
 334  *
 335  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 336  *
 337 **/
 338 void linphone_core_enable_logs(FILE *file){
 339         if (file==NULL) file=stdout;
 340         ortp_set_log_file(file);
 341         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 342 }
 343
 344 /**
 345  * Enable logs through the user's supplied log callback.
 346  *
 347  * @ingroup misc
 348  *
 349  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 350  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 351  *
 352 **/
 353 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355         ortp_set_log_handler(logfunc);
 356 }
 357
 358 /**
 359  * Entirely disable logging.
 360  *
 361  * @ingroup misc
 362 **/
 363 void linphone_core_disable_logs(){
 364         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 365 }
 366
 367
 368 static void net_config_read (LinphoneCore *lc)
 369 {
 370         int tmp;
 371         const char *tmpstr;
 372         LpConfig *config=lc->config;
 373
 374         lc->net_conf.nat_address_ip = NULL;
 375         tmp=lp_config_get_int(config,"net","download_bw",0);
 376         linphone_core_set_download_bandwidth(lc,tmp);
 377         tmp=lp_config_get_int(config,"net","upload_bw",0);
 378         linphone_core_set_upload_bandwidth(lc,tmp);
 379         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 380         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 381         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 382         linphone_core_set_nat_address(lc,tmpstr);
 383         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 384         linphone_core_set_firewall_policy(lc,tmp);
 385         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 386         lc->net_conf.nat_sdp_only=tmp;
 387         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 388         linphone_core_set_mtu(lc,tmp);
 389         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 390         linphone_core_set_download_ptime(lc,tmp);
 391
 392 }
 393
 394 static void build_sound_devices_table(LinphoneCore *lc){
 395         const char **devices;
 396         const char **old;
 397         int ndev;
 398         int i;
 399         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 400         ndev=ms_list_size(elem);
 401         devices=ms_malloc((ndev+1)*sizeof(const char *));
 402         for (i=0;elem!=NULL;elem=elem->next,i++){
 403                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 404         }
 405         devices[ndev]=NULL;
 406         old=lc->sound_conf.cards;
 407         lc->sound_conf.cards=devices;
 408         if (old!=NULL) ms_free(old);
 409 }
 410
 411 static void sound_config_read(LinphoneCore *lc)
 412 {
 413         int tmp;
 414         const char *tmpbuf;
 415         const char *devid;
 416         float gain=0;
 417 #ifdef __linux
 418         /*alsadev let the user use custom alsa device within linphone*/
 419         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 420         if (devid){
 421                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 422                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 423         }
 424         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 425         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 426 #endif
 427         /* retrieve all sound devices */
 428         build_sound_devices_table(lc);
 429
 430         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 431         linphone_core_set_playback_device(lc,devid);
 432
 433         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 434         linphone_core_set_ringer_device(lc,devid);
 435
 436         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 437         linphone_core_set_capture_device(lc,devid);
 438
 439 /*
 440         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 441         linphone_core_set_play_level(lc,tmp);
 442         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 443         linphone_core_set_ring_level(lc,tmp);
 444         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 445         linphone_core_set_rec_level(lc,tmp);
 446         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 447         linphone_core_set_sound_source(lc,tmpbuf[0]);
 448 */
 449
 450         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 451         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 452         if (ortp_file_exist(tmpbuf)==-1) {
 453                 ms_warning("%s does not exist",tmpbuf);
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 455         }
 456         if (strstr(tmpbuf,".wav")==NULL){
 457                 /* it currently uses old sound files, so replace them */
 458                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 459         }
 460         linphone_core_set_ring(lc,tmpbuf);
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1){
 465                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 466         }
 467         if (strstr(tmpbuf,".wav")==NULL){
 468                 /* it currently uses old sound files, so replace them */
 469                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 470         }
 471         linphone_core_set_ringback(lc,tmpbuf);
 472
 473         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 474         check_sound_device(lc);
 475         lc->sound_conf.latency=0;
 476 #ifndef __ios
 477     tmp=TRUE;
 478 #else
 479     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 480 #endif
 481     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 482         linphone_core_enable_echo_cancellation(lc,tmp);
 483         linphone_core_enable_echo_limiter(lc,
 484                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 485         linphone_core_enable_agc(lc,
 486                 lp_config_get_int(lc->config,"sound","agc",0));
 487
 488         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 489         linphone_core_set_playback_gain_db (lc,gain);
 490
 491         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 492
 493         /*just parse requested stream feature once at start to print out eventual errors*/
 494         linphone_core_get_audio_features(lc);
 495 }
 496
 497 static void sip_config_read(LinphoneCore *lc)
 498 {
 499         char *contact;
 500         const char *tmpstr;
 501         LCSipTransports tr;
 502         int i,tmp;
 503         int ipv6;
 504         int random_port;
 505
 506         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 507         linphone_core_set_use_info_for_dtmf(lc,tmp);
 508
 509         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 510                 sal_use_session_timers(lc->sal,200);
 511         }
 512
 513         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 514         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 515         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 516         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 519         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 520
 521         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 522         if (ipv6==-1){
 523                 ipv6=0;
 524         }
 525         linphone_core_enable_ipv6(lc,ipv6);
 526         memset(&tr,0,sizeof(tr));
 527
 528         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 529         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 530         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 531
 532         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 533                 random_port=(0xDFFF&random())+1024;
 534         else random_port=0;
 535
 536         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 537                 tr.udp_port=5060;
 538         }
 539
 540         if (tr.udp_port>0 && random_port){
 541                 tr.udp_port=random_port;
 542                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 543         }else if (tr.tcp_port>0 && random_port){
 544                 tr.tcp_port=random_port;
 545                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 546         }else if (tr.tls_port>0 && random_port){
 547                 tr.tls_port=random_port;
 548                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 549         }
 550
 551 #ifdef __linux
 552         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 553 #else
 554         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 555 #endif
 556         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 557         /*start listening on ports*/
 558         linphone_core_set_sip_transports(lc,&tr);
 559
 560         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 561         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 562                 const char *hostname=NULL;
 563                 const char *username=NULL;
 564 #ifdef HAVE_GETENV
 565                 hostname=getenv("HOST");
 566                 username=getenv("USER");
 567                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 568 #endif /*HAVE_GETENV*/
 569                 if (hostname==NULL)
 570                         hostname="unknown-host";
 571                 if (username==NULL){
 572                         username="toto";
 573                 }
 574                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 575                 linphone_core_set_primary_contact(lc,contact);
 576                 ms_free(contact);
 577         }
 578
 579         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 580         linphone_core_set_guess_hostname(lc,tmp);
 581
 582
 583         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 584         linphone_core_set_inc_timeout(lc,tmp);
 585
 586         /* get proxies config */
 587         for(i=0;; i++){
 588                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 589                 if (cfg!=NULL){
 590                         linphone_core_add_proxy_config(lc,cfg);
 591                 }else{
 592                         break;
 593                 }
 594         }
 595         /* get the default proxy */
 596         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 597         linphone_core_set_default_proxy_index(lc,tmp);
 598
 599         /* read authentication information */
 600         for(i=0;; i++){
 601                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 602                 if (ai!=NULL){
 603                         linphone_core_add_auth_info(lc,ai);
 604                         linphone_auth_info_destroy(ai);
 605                 }else{
 606                         break;
 607                 }
 608         }
 609         /*this is to filter out unsupported encryption schemes*/
 610         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 611
 612         /*for tuning or test*/
 613         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 614         lc->sip_conf.register_only_when_network_is_up=
 615                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 616         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 617         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 618         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 619         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 620         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 621         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 622         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 623         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 624 }
 625
 626 static void rtp_config_read(LinphoneCore *lc)
 627 {
 628         int min_port, max_port;
 629         int jitt_comp;
 630         int nortp_timeout;
 631         bool_t rtp_no_xmit_on_audio_mute;
 632         bool_t adaptive_jitt_comp_enabled;
 633
 634         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 635                 if (min_port <= 0) min_port = 1;
 636                 if (max_port > 65535) max_port = 65535;
 637                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 638         } else {
 639                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 640                 linphone_core_set_audio_port(lc, min_port);
 641         }
 642
 643         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 644                 if (min_port <= 0) min_port = 1;
 645                 if (max_port > 65535) max_port = 65535;
 646                 linphone_core_set_video_port_range(lc, min_port, max_port);
 647         } else {
 648                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 649                 linphone_core_set_video_port(lc, min_port);
 650         }
 651
 652         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 653         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 654         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 655         if (jitt_comp==0) jitt_comp=60;
 656         linphone_core_set_video_jittcomp(lc,jitt_comp);
 657         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 658         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 659         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 660         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 661         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 662         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 663         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 664         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 665 }
 666
 667 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 668         PayloadType *candidate=NULL;
 669         int i;
 670         PayloadType *it;
 671         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 672                 it=rtp_profile_get_payload(prof,i);
 673                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 674                         && (clock_rate==it->clock_rate || clock_rate<=0)
 675                         && (channels==it->channels || channels<=0) ){
 676                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 677                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 678                                 /*exact match*/
 679                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 680                                 return it;
 681                         }else {
 682                                 if (candidate){
 683                                         if (it->recv_fmtp==NULL) candidate=it;
 684                                 }else candidate=it;
 685                         }
 686                 }
 687         }
 688         if (candidate && recv_fmtp){
 689                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 690         }
 691         return candidate;
 692 }
 693
 694 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 695         char codeckey[50];
 696         const char *mime,*fmtp;
 697         int rate,channels,enabled;
 698         PayloadType *pt;
 699
 700         *ret=NULL;
 701         snprintf(codeckey,50,"%s_%i",type,index);
 702         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 703         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 704
 705         rate=lp_config_get_int(config,codeckey,"rate",8000);
 706         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 707         channels=lp_config_get_int(config,codeckey,"channels",0);
 708         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 709         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 710         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 711         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 712         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 713                         mime,rate,fmtp ? fmtp : "");
 714         *ret=pt;
 715         return TRUE;
 716 }
 717
 718 #define RANK_END 10000
 719
 720 typedef struct codec_desc{
 721         const char *name;
 722         int rate;
 723 }codec_desc_t;
 724
 725 static codec_desc_t codec_pref_order[]={
 726         {"SILK", 16000},
 727         {"speex", 16000},
 728         {"speex", 8000},
 729         {"pcmu",8000},
 730         {"pcma",8000},
 731         {"VP8",90000},
 732         {"H264",90000},
 733         {"MP4V-ES",90000},
 734         {NULL,0}
 735 };
 736
 737 static int find_codec_rank(const char *mime, int clock_rate){
 738         int i;
 739         for(i=0;codec_pref_order[i].name!=NULL;++i){
 740                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 741                         return i;
 742         }
 743         return RANK_END;
 744 }
 745
 746 static int codec_compare(const PayloadType *a, const PayloadType *b){
 747         int ra,rb;
 748         ra=find_codec_rank(a->mime_type,a->clock_rate);
 749         rb=find_codec_rank(b->mime_type,b->clock_rate);
 750         if (ra>rb) return 1;
 751         if (ra<rb) return -1;
 752         return 0;
 753 }
 754
 755 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 756         int i;
 757         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 758                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 759                 if (pt){
 760                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 761                                 pt=NULL;
 762                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 763                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 764                                 pt=NULL;
 765                         }
 766                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 767                                 if (ms_list_find(l,pt)==NULL){
 768                                         /*unranked codecs are disabled by default*/
 769                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 770                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 771                                         }
 772                                         ms_message("Adding new codec %s/%i with fmtp %s",
 773                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 774                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 775                                 }
 776                         }
 777                 }
 778         }
 779         return l;
 780 }
 781
 782 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 783         MSList *elem;
 784         for (elem=l;elem!=NULL;elem=elem->next){
 785                 PayloadType *ept=(PayloadType*)elem->data;
 786                 if (pt==ept)
 787                         return l;
 788         }
 789         l=ms_list_append(l,pt);
 790         return l;
 791 }
 792
 793 static void codecs_config_read(LinphoneCore *lc)
 794 {
 795         int i;
 796         PayloadType *pt;
 797         MSList *audio_codecs=NULL;
 798         MSList *video_codecs=NULL;
 799         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 800                 if (pt){
 801                         if (!ms_filter_codec_supported(pt->mime_type)){
 802                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 803                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 804                 }
 805         }
 806         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 807         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 808                 if (pt){
 809                         if (!ms_filter_codec_supported(pt->mime_type)){
 810                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 811                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 812                 }
 813         }
 814         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 815         linphone_core_set_audio_codecs(lc,audio_codecs);
 816         linphone_core_set_video_codecs(lc,video_codecs);
 817         linphone_core_update_allocated_audio_bandwidth(lc);
 818 }
 819
 820 static void build_video_devices_table(LinphoneCore *lc){
 821         const MSList *elem;
 822         int i;
 823         int ndev;
 824         const char **devices;
 825         if (lc->video_conf.cams)
 826                 ms_free(lc->video_conf.cams);
 827         /* retrieve all video devices */
 828         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 829         ndev=ms_list_size(elem);
 830         devices=ms_malloc((ndev+1)*sizeof(const char *));
 831         for (i=0;elem!=NULL;elem=elem->next,i++){
 832                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 833         }
 834         devices[ndev]=NULL;
 835         lc->video_conf.cams=devices;
 836 }
 837
 838 static void video_config_read(LinphoneCore *lc){
 839 #ifdef VIDEO_ENABLED
 840         int capture, display, self_view;
 841 #endif
 842         const char *str;
 843 #ifdef VIDEO_ENABLED
 844         LinphoneVideoPolicy vpol;
 845         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 846 #endif
 847         build_video_devices_table(lc);
 848
 849         str=lp_config_get_string(lc->config,"video","device",NULL);
 850         if (str && str[0]==0) str=NULL;
 851         linphone_core_set_video_device(lc,str);
 852
 853         linphone_core_set_preferred_video_size_by_name(lc,
 854                 lp_config_get_string(lc->config,"video","size","cif"));
 855
 856 #ifdef VIDEO_ENABLED
 857         capture=lp_config_get_int(lc->config,"video","capture",1);
 858         display=lp_config_get_int(lc->config,"video","display",1);
 859         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 860         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 861         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 862         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 863         if(lc->video_conf.displaytype)
 864                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 865
 866         linphone_core_enable_video(lc,capture,display);
 867         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 868         linphone_core_enable_self_view(lc,self_view);
 869         linphone_core_set_video_policy(lc,&vpol);
 870 #endif
 871 }
 872
 873 static void ui_config_read(LinphoneCore *lc)
 874 {
 875         LinphoneFriend *lf;
 876         int i;
 877         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 878                 linphone_core_add_friend(lc,lf);
 879         }
 880         call_logs_read_from_config_file(lc);
 881 }
 882
 883 /*
 884 static void autoreplier_config_init(LinphoneCore *lc)
 885 {
 886         autoreplier_config_t *config=&lc->autoreplier_conf;
 887         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 888         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 889         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 890         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 891         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 892         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 893 }
 894 */
 895
 896 bool_t linphone_core_tunnel_available(void){
 897 #ifdef TUNNEL_ENABLED
 898         return TRUE;
 899 #else
 900         return FALSE;
 901 #endif
 902 }
 903
 904 /**
 905  * Enable adaptive rate control (experimental feature, audio-only).
 906  *
 907  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 908  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 909  * available bandwidth.
 910 **/
 911 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 912         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 913 }
 914
 915 /**
 916  * Returns whether adaptive rate control is enabled.
 917  *
 918  * See linphone_core_enable_adaptive_rate_control().
 919 **/
 920 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 921         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 922 }
 923
 924 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 925         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 926 }
 927
 928 /**
 929  * Sets maximum available download bandwidth
 930  *
 931  * @ingroup media_parameters
 932  *
 933  * This is IP bandwidth, in kbit/s.
 934  * This information is used signaled to other parties during
 935  * calls (within SDP messages) so that the remote end can have
 936  * sufficient knowledge to properly configure its audio & video
 937  * codec output bitrate to not overflow available bandwidth.
 938  *
 939  * @param lc the LinphoneCore object
 940  * @param bw the bandwidth in kbits/s, 0 for infinite
 941  */
 942 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 943         lc->net_conf.download_bw=bw;
 944         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 945 }
 946
 947 /**
 948  * Sets maximum available upload bandwidth
 949  *
 950  * @ingroup media_parameters
 951  *
 952  * This is IP bandwidth, in kbit/s.
 953  * This information is used by liblinphone together with remote
 954  * side available bandwidth signaled in SDP messages to properly
 955  * configure audio & video codec's output bitrate.
 956  *
 957  * @param lc the LinphoneCore object
 958  * @param bw the bandwidth in kbits/s, 0 for infinite
 959  */
 960 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 961         lc->net_conf.upload_bw=bw;
 962         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 963 }
 964
 965 /**
 966  * Retrieve the maximum available download bandwidth.
 967  *
 968  * @ingroup media_parameters
 969  *
 970  * This value was set by linphone_core_set_download_bandwidth().
 971  *
 972 **/
 973 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 974         return lc->net_conf.download_bw;
 975 }
 976
 977 /**
 978  * Retrieve the maximum available upload bandwidth.
 979  *
 980  * @ingroup media_parameters
 981  *
 982  * This value was set by linphone_core_set_upload_bandwidth().
 983  *
 984 **/
 985 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 986         return lc->net_conf.upload_bw;
 987 }
 988 /**
 989  * Set audio packetization time linphone expects to receive from peer
 990  */
 991 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 992         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
 993 }
 994
 995 /**
 996  * Get audio packetization time linphone expects to receive from peer
 997  */
 998 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 999         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1000 }
1001
1002 /**
1003  * Set audio packetization time linphone will send (in absence of requirement from peer)
1004  * A value of 0 stands for the current codec default packetization time.
1005  *
1006 **/
1007 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1008         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1009 }
1010
1011 /**
1012  * Set audio packetization time linphone will send (in absence of requirement from peer)
1013  * A value of 0 stands for the current codec default packetization time.
1014  *
1015 **/
1016 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1017         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1018 }
1019
1020
1021
1022 /**
1023  * Returns liblinphone's version as a string.
1024  *
1025  * @ingroup misc
1026  *
1027 **/
1028 const char * linphone_core_get_version(void){
1029         return liblinphone_version;
1030 }
1031
1032 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1033         PayloadType *pt;
1034         pt=payload_type_clone(const_pt);
1035         if (number==-1){
1036                 /*look for a free number */
1037                 MSList *elem;
1038                 int i;
1039                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1040                         bool_t already_assigned=FALSE;
1041                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1042                                 PayloadType *it=(PayloadType*)elem->data;
1043                                 if (payload_type_get_number(it)==i){
1044                                         already_assigned=TRUE;
1045                                         break;
1046                                 }
1047                         }
1048                         if (!already_assigned){
1049                                 number=i;
1050                                 lc->dyn_pt=i+1;
1051                                 break;
1052                         }
1053                 }
1054                 if (number==-1){
1055                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1056                 }
1057         }
1058         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1059         payload_type_set_number(pt,number);
1060         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1061         rtp_profile_set_payload(&av_profile,number,pt);
1062         lc->payload_types=ms_list_append(lc->payload_types,pt);
1063 }
1064
1065 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1066         RtpProfile *prof=&av_profile;
1067         int i;
1068         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1069                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1070                 if (pt){
1071                         if (payload_type_get_number(pt)!=i){
1072                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1073                         }
1074                 }
1075         }
1076 }
1077
1078 static void linphone_core_free_payload_types(LinphoneCore *lc){
1079         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1080         ms_list_free(lc->payload_types);
1081         lc->payload_types=NULL;
1082 }
1083
1084 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1085         lc->state=gstate;
1086         if (lc->vtable.global_state_changed){
1087                 lc->vtable.global_state_changed(lc,gstate,message);
1088         }
1089 }
1090 static void misc_config_read (LinphoneCore *lc) {
1091         LpConfig *config=lc->config;
1092     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1093     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1094 }
1095
1096
1097
1098
1099 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1100     const char *factory_config_path, void * userdata)
1101 {
1102         memset (lc, 0, sizeof (LinphoneCore));
1103         lc->data=userdata;
1104         lc->ringstream_autorelease=TRUE;
1105
1106         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1107
1108         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1109         ortp_init();
1110         lc->dyn_pt=96;
1111         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1112         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1113         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1114         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1115         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1116         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1117         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1118         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1119
1120 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1121         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1122          - to workaround potential packet losses
1123          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1124          */
1125         _linphone_core_configure_resolver();
1126 #endif
1127
1128 #ifdef ENABLE_NONSTANDARD_GSM
1129         {
1130                 PayloadType *pt;
1131                 pt=payload_type_clone(&payload_type_gsm);
1132                 pt->clock_rate=11025;
1133                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1134                 pt->clock_rate=22050;
1135                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1136                 payload_type_destroy(pt);
1137         }
1138 #endif
1139
1140 #ifdef VIDEO_ENABLED
1141         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1142         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1143         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1144         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1145         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1146         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1147         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1148         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1149         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1150 #endif
1151
1152         /*add all payload type for which we don't care about the number */
1153         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1154         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1155         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1156         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1157         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1158         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1159         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1160         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1161         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1162         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1163         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1164         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1165         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1166         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1167         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1168         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1169         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1170         linphone_core_handle_static_payloads(lc);
1171
1172         ms_init();
1173         /* create a mediastreamer2 event queue and set it as global */
1174         /* This allows to run event's callback in linphone_core_iterate() */
1175         lc->msevq=ms_event_queue_new();
1176         ms_set_global_event_queue(lc->msevq);
1177
1178         lc->config=lp_config_new(config_path);
1179         if (factory_config_path)
1180                 lp_config_read_file(lc->config,factory_config_path);
1181
1182         lc->sal=sal_init();
1183         sal_set_user_pointer(lc->sal,lc);
1184         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1185
1186         sip_setup_register_all();
1187         sound_config_read(lc);
1188         net_config_read(lc);
1189         rtp_config_read(lc);
1190         codecs_config_read(lc);
1191         sip_config_read(lc); /* this will start eXosip*/
1192         video_config_read(lc);
1193         //autoreplier_config_init(&lc->autoreplier_conf);
1194         lc->presence_mode=LinphoneStatusOnline;
1195         misc_config_read(lc);
1196         ui_config_read(lc);
1197 #ifdef TUNNEL_ENABLED
1198         lc->tunnel=linphone_core_tunnel_new(lc);
1199         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1200 #endif
1201         if (lc->vtable.display_status)
1202                 lc->vtable.display_status(lc,_("Ready"));
1203         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1204         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1205 }
1206
1207 /**
1208  * Instanciates a LinphoneCore object.
1209  * @ingroup initializing
1210  *
1211  * The LinphoneCore object is the primary handle for doing all phone actions.
1212  * It should be unique within your application.
1213  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1214  * @param config_path a path to a config file. If it does not exists it will be created.
1215  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1216  *             become persistent over the life of the LinphoneCore object.
1217  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1218  * @param factory_config_path a path to a read-only config file that can be used to
1219  *        to store hard-coded preference such as proxy settings or internal preferences.
1220  *        The settings in this factory file always override the one in the normal config file.
1221  *        It is OPTIONAL, use NULL if unneeded.
1222  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1223  *        callbacks) using linphone_core_get_user_data().
1224  *
1225 **/
1226 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1227                                                 const char *config_path, const char *factory_config_path, void * userdata)
1228 {
1229         LinphoneCore *core=ms_new(LinphoneCore,1);
1230         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1231         return core;
1232 }
1233
1234 /**
1235  * Returns the list of available audio codecs.
1236  *
1237  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1238  * structure holding the codec information.
1239  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1240  * (such as the order of codecs).
1241 **/
1242 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1243 {
1244         return lc->codecs_conf.audio_codecs;
1245 }
1246
1247 /**
1248  * Returns the list of available video codecs.
1249  *
1250  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1251  * structure holding the codec information.
1252  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1253  * (such as the order of codecs).
1254 **/
1255 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1256 {
1257         return lc->codecs_conf.video_codecs;
1258 }
1259
1260 /**
1261  * Sets the local "from" identity.
1262  *
1263  * @ingroup proxies
1264  * This data is used in absence of any proxy configuration or when no
1265  * default proxy configuration is set. See LinphoneProxyConfig
1266 **/
1267 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1268 {
1269         LinphoneAddress *ctt;
1270
1271         if ((ctt=linphone_address_new(contact))==0) {
1272                 ms_error("Bad contact url: %s",contact);
1273                 return -1;
1274         }
1275         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1276         lc->sip_conf.contact=ms_strdup(contact);
1277         if (lc->sip_conf.guessed_contact!=NULL){
1278                 ms_free(lc->sip_conf.guessed_contact);
1279                 lc->sip_conf.guessed_contact=NULL;
1280         }
1281         linphone_address_destroy(ctt);
1282         return 0;
1283 }
1284
1285
1286 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1287 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1288         const char *ip;
1289         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1290             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1291                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1292                 return;
1293         }
1294         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1295                 return;
1296         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1297         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1298 }
1299
1300 static void update_primary_contact(LinphoneCore *lc){
1301         char *guessed=NULL;
1302         char tmp[LINPHONE_IPADDR_SIZE];
1303
1304         LinphoneAddress *url;
1305         if (lc->sip_conf.guessed_contact!=NULL){
1306                 ms_free(lc->sip_conf.guessed_contact);
1307                 lc->sip_conf.guessed_contact=NULL;
1308         }
1309         url=linphone_address_new(lc->sip_conf.contact);
1310         if (!url){
1311                 ms_error("Could not parse identity contact !");
1312                 url=linphone_address_new("sip:unknown@unkwownhost");
1313         }
1314         linphone_core_get_local_ip(lc, NULL, tmp);
1315         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1316                 ms_warning("Local loopback network only !");
1317                 lc->sip_conf.loopback_only=TRUE;
1318         }else lc->sip_conf.loopback_only=FALSE;
1319         linphone_address_set_domain(url,tmp);
1320         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1321         guessed=linphone_address_as_string(url);
1322         lc->sip_conf.guessed_contact=guessed;
1323         linphone_address_destroy(url);
1324 }
1325
1326 /**
1327  * Returns the default identity when no proxy configuration is used.
1328  *
1329  * @ingroup proxies
1330 **/
1331 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1332         char *identity;
1333
1334         if (lc->sip_conf.guess_hostname){
1335                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1336                         update_primary_contact(lc);
1337                 }
1338                 identity=lc->sip_conf.guessed_contact;
1339         }else{
1340                 identity=lc->sip_conf.contact;
1341         }
1342         return identity;
1343 }
1344
1345 /**
1346  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1347  *
1348  * @ingroup proxies
1349 **/
1350 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1351         lc->sip_conf.guess_hostname=val;
1352 }
1353
1354 /**
1355  * Returns TRUE if hostname part of primary contact is guessed automatically.
1356  *
1357  * @ingroup proxies
1358 **/
1359 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1360         return lc->sip_conf.guess_hostname;
1361 }
1362
1363 /**
1364  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1365  * instead of const char*
1366  *
1367  * @ingroup proxies
1368 **/
1369 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1370         return linphone_address_new(linphone_core_get_primary_contact(lc));
1371 }
1372
1373 /**
1374  * Sets the list of audio codecs.
1375  *
1376  * @ingroup media_parameters
1377  * The list is taken by the LinphoneCore thus the application should not free it.
1378  * This list is made of struct PayloadType describing the codec parameters.
1379 **/
1380 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1381 {
1382         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1383         lc->codecs_conf.audio_codecs=codecs;
1384         _linphone_core_codec_config_write(lc);
1385         return 0;
1386 }
1387
1388 /**
1389  * Sets the list of video codecs.
1390  *
1391  * @ingroup media_parameters
1392  * The list is taken by the LinphoneCore thus the application should not free it.
1393  * This list is made of struct PayloadType describing the codec parameters.
1394 **/
1395 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1396 {
1397         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1398         lc->codecs_conf.video_codecs=codecs;
1399         _linphone_core_codec_config_write(lc);
1400         return 0;
1401 }
1402
1403 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1404 {
1405         return lc->friends;
1406 }
1407
1408 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1409 {
1410         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1411 }
1412
1413 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1414 {
1415         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1416 }
1417
1418 /**
1419  * Returns the nominal audio jitter buffer size in milliseconds.
1420  *
1421  * @ingroup media_parameters
1422 **/
1423 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1424 {
1425         return lc->rtp_conf.audio_jitt_comp;
1426 }
1427
1428 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1429 {
1430         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1431 }
1432
1433 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1434 {
1435         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1436 }
1437
1438 /**
1439  * Returns the nominal video jitter buffer size in milliseconds.
1440  *
1441  * @ingroup media_parameters
1442 **/
1443 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1444 {
1445         return lc->rtp_conf.video_jitt_comp;
1446 }
1447
1448 /**
1449  * Returns the UDP port used for audio streaming.
1450  *
1451  * @ingroup network_parameters
1452 **/
1453 int linphone_core_get_audio_port(const LinphoneCore *lc)
1454 {
1455         return lc->rtp_conf.audio_rtp_min_port;
1456 }
1457
1458 /**
1459  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1460  *
1461  * @ingroup network_parameters
1462  */
1463 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1464 {
1465         *min_port = lc->rtp_conf.audio_rtp_min_port;
1466         *max_port = lc->rtp_conf.audio_rtp_max_port;
1467 }
1468
1469 /**
1470  * Returns the UDP port used for video streaming.
1471  *
1472  * @ingroup network_parameters
1473 **/
1474 int linphone_core_get_video_port(const LinphoneCore *lc){
1475         return lc->rtp_conf.video_rtp_min_port;
1476 }
1477
1478 /**
1479  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1480  *
1481  * @ingroup network_parameters
1482  */
1483 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1484 {
1485         *min_port = lc->rtp_conf.video_rtp_min_port;
1486         *max_port = lc->rtp_conf.video_rtp_max_port;
1487 }
1488
1489
1490 /**
1491  * Returns the value in seconds of the no-rtp timeout.
1492  *
1493  * @ingroup media_parameters
1494  * When no RTP or RTCP packets have been received for a while
1495  * LinphoneCore will consider the call is broken (remote end crashed or
1496  * disconnected from the network), and thus will terminate the call.
1497  * The no-rtp timeout is the duration above which the call is considered broken.
1498 **/
1499 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1500         return lc->rtp_conf.nortp_timeout;
1501 }
1502
1503 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1504         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1505 }
1506
1507 /**
1508  * Sets the nominal audio jitter buffer size in milliseconds.
1509  *
1510  * @ingroup media_parameters
1511 **/
1512 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1513 {
1514         lc->rtp_conf.audio_jitt_comp=value;
1515 }
1516
1517 /**
1518  * Sets the nominal video jitter buffer size in milliseconds.
1519  *
1520  * @ingroup media_parameters
1521 **/
1522 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1523 {
1524         lc->rtp_conf.video_jitt_comp=value;
1525 }
1526
1527 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1528         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1529 }
1530
1531 /**
1532  * Sets the UDP port used for audio streaming.
1533  *
1534  * @ingroup network_parameters
1535 **/
1536 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1537 {
1538         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1539 }
1540
1541 /**
1542  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1543  */
1544 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1545 {
1546         lc->rtp_conf.audio_rtp_min_port=min_port;
1547         lc->rtp_conf.audio_rtp_max_port=max_port;
1548 }
1549
1550 /**
1551  * Sets the UDP port used for video streaming.
1552  *
1553  * @ingroup network_parameters
1554 **/
1555 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1556         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1557 }
1558
1559 /**
1560  * Sets the UDP port range from which to randomly select the port used for video streaming.
1561  */
1562 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1563 {
1564         lc->rtp_conf.video_rtp_min_port=min_port;
1565         lc->rtp_conf.video_rtp_max_port=max_port;
1566 }
1567
1568 /**
1569  * Sets the no-rtp timeout value in seconds.
1570  *
1571  * @ingroup media_parameters
1572  * See linphone_core_get_nortp_timeout() for details.
1573 **/
1574 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1575         lc->rtp_conf.nortp_timeout=nortp_timeout;
1576 }
1577
1578 /**
1579  * Indicates whether SIP INFO is used for sending digits.
1580  *
1581  * @ingroup media_parameters
1582 **/
1583 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1584 {
1585         return lc->sip_conf.use_info;
1586 }
1587
1588 /**
1589  * Sets whether SIP INFO is to be used for sending digits.
1590  *
1591  * @ingroup media_parameters
1592 **/
1593 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1594 {
1595         lc->sip_conf.use_info=use_info;
1596 }
1597
1598 /**
1599  * Indicates whether RFC2833 is used for sending digits.
1600  *
1601  * @ingroup media_parameters
1602 **/
1603 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1604 {
1605         return lc->sip_conf.use_rfc2833;
1606 }
1607
1608 /**
1609  * Sets whether RFC2833 is to be used for sending digits.
1610  *
1611  * @ingroup media_parameters
1612 **/
1613 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1614 {
1615         lc->sip_conf.use_rfc2833=use_rfc2833;
1616 }
1617
1618 /**
1619  * Returns the UDP port used by SIP.
1620  *
1621  * Deprecated: use linphone_core_get_sip_transports() instead.
1622  * @ingroup network_parameters
1623 **/
1624 int linphone_core_get_sip_port(LinphoneCore *lc)
1625 {
1626         LCSipTransports *tr=&lc->sip_conf.transports;
1627         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1628 }
1629
1630 static char _ua_name[64]="Linphone";
1631 static char _ua_version[64]=LINPHONE_VERSION;
1632
1633 #ifdef HAVE_EXOSIP_GET_VERSION
1634 extern const char *eXosip_get_version();
1635 #endif
1636
1637 static void apply_user_agent(LinphoneCore *lc){
1638         char ua_string[256];
1639         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1640 #ifdef HAVE_EXOSIP_GET_VERSION
1641                  eXosip_get_version()
1642 #else
1643                  "unknown"
1644 #endif
1645         );
1646         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1647 }
1648
1649 /**
1650  * Sets the user agent string used in SIP messages.
1651  *
1652  * @ingroup misc
1653 **/
1654 void linphone_core_set_user_agent(const char *name, const char *ver){
1655         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1656         strncpy(_ua_version,ver,sizeof(_ua_version));
1657 }
1658
1659 const char *linphone_core_get_user_agent_name(void){
1660         return _ua_name;
1661 }
1662
1663 const char *linphone_core_get_user_agent_version(void){
1664         return _ua_version;
1665 }
1666
1667 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1668         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1669         ms_warning("%s",msg);
1670         if (lc->vtable.display_warning)
1671                 lc->vtable.display_warning(lc,msg);
1672         ms_free(msg);
1673 }
1674
1675 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1676         return
1677                 tr2->udp_port==tr1->udp_port &&
1678                 tr2->tcp_port==tr1->tcp_port &&
1679                 tr2->dtls_port==tr1->dtls_port &&
1680                 tr2->tls_port==tr1->tls_port;
1681 }
1682
1683 static int apply_transports(LinphoneCore *lc){
1684         Sal *sal=lc->sal;
1685         const char *anyaddr;
1686         LCSipTransports *tr=&lc->sip_conf.transports;
1687
1688         /*first of all invalidate all current registrations so that we can register again with new transports*/
1689         __linphone_core_invalidate_registers(lc);
1690
1691         if (lc->sip_conf.ipv6_enabled)
1692                 anyaddr="::0";
1693         else
1694                 anyaddr="0.0.0.0";
1695
1696         sal_unlisten_ports(sal);
1697         if (tr->udp_port>0){
1698                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1699                         transport_error(lc,"udp",tr->udp_port);
1700                         return -1;
1701                 }
1702         }
1703         if (tr->tcp_port>0){
1704                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1705                         transport_error(lc,"tcp",tr->tcp_port);
1706                 }
1707         }
1708         if (tr->tls_port>0){
1709                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1710                         transport_error(lc,"tls",tr->tls_port);
1711                 }
1712         }
1713         apply_user_agent(lc);
1714         return 0;
1715 }
1716
1717 /**
1718  * Sets the ports to be used for each of transport (UDP or TCP)
1719  *
1720  * A zero value port for a given transport means the transport
1721  * is not used.
1722  *
1723  * @ingroup network_parameters
1724 **/
1725 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1726
1727         if (transports_unchanged(tr,&lc->sip_conf.transports))
1728                 return 0;
1729         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1730
1731         if (linphone_core_ready(lc)){
1732                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1733                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1734                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1735         }
1736
1737         if (lc->sal==NULL) return 0;
1738         return apply_transports(lc);
1739 }
1740
1741 /**
1742  * Retrieves the ports used for each transport (udp, tcp).
1743  * A zero value port for a given transport means the transport
1744  * is not used.
1745  * @ingroup network_parameters
1746 **/
1747 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1748         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1749         return 0;
1750 }
1751
1752 /**
1753  * Sets the UDP port to be used by SIP.
1754  *
1755  * Deprecated: use linphone_core_set_sip_transports() instead.
1756  * @ingroup network_parameters
1757 **/
1758 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1759 {
1760         LCSipTransports tr;
1761         memset(&tr,0,sizeof(tr));
1762         tr.udp_port=port;
1763         linphone_core_set_sip_transports (lc,&tr);
1764 }
1765
1766 /**
1767  * Returns TRUE if IPv6 is enabled.
1768  *
1769  * @ingroup network_parameters
1770  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1771 **/
1772 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1773         return lc->sip_conf.ipv6_enabled;
1774 }
1775
1776 /**
1777  * Turns IPv6 support on or off.
1778  *
1779  * @ingroup network_parameters
1780  *
1781  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1782  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1783  * By default IPv6 support is off.
1784 **/
1785 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1786         if (lc->sip_conf.ipv6_enabled!=val){
1787                 lc->sip_conf.ipv6_enabled=val;
1788                 if (lc->sal){
1789                         /* we need to restart eXosip */
1790                         apply_transports(lc);
1791                 }
1792         }
1793 }
1794
1795
1796 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1797         static time_t last_check=0;
1798         static bool_t last_status=FALSE;
1799         char result[LINPHONE_IPADDR_SIZE];
1800         bool_t new_status=last_status;
1801
1802         /* only do the network up checking every five seconds */
1803         if (last_check==0 || (curtime-last_check)>=5){
1804                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1805                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1806                         new_status=TRUE;
1807                 }else new_status=FALSE;
1808                 last_check=curtime;
1809                 if (new_status!=last_status) {
1810                         if (new_status){
1811                                 ms_message("New local ip address is %s",result);
1812                         }
1813                         set_network_reachable(lc,new_status, curtime);
1814                         last_status=new_status;
1815                 }
1816         }
1817 }
1818
1819 static void proxy_update(LinphoneCore *lc){
1820         MSList *elem,*next;
1821         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1822         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1823                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1824                 next=elem->next;
1825                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1826                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1827                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1828                         linphone_proxy_config_destroy(cfg);
1829                 }
1830         }
1831 }
1832
1833 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1834         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1835         if (lf!=NULL){
1836                 lf->info=info;
1837                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1838                 if (lc->vtable.buddy_info_updated)
1839                         lc->vtable.buddy_info_updated(lc,lf);
1840         }else{
1841                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1842         }
1843 }
1844
1845 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1846         MSList *elem;
1847         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1848         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1849                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1850                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1851                         if (req->results!=NULL){
1852                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1853                                 ms_list_free(req->results);
1854                                 req->results=NULL;
1855                                 assign_buddy_info(lc,i);
1856                         }
1857                         sip_setup_context_buddy_lookup_free(ctx,req);
1858                         elem->data=NULL;
1859                 }
1860         }
1861         /*purge completed requests */
1862         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1863                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1864         }
1865 }
1866
1867 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1868         const MSList *elem;
1869         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1870         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1871                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1872                 if (lf->info==NULL){
1873                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1874                                 if (linphone_address_get_username(lf->uri)!=NULL){
1875                                         BuddyLookupRequest *req;
1876                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1877                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1878                                         buddy_lookup_request_set_key(req,tmp);
1879                                         buddy_lookup_request_set_max_results(req,1);
1880                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1881                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1882                                         ms_free(tmp);
1883                                 }
1884                         }
1885                 }
1886         }
1887 }
1888
1889 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1890         LinphoneProxyConfig *cfg=NULL;
1891         linphone_core_get_default_proxy(lc,&cfg);
1892         if (cfg){
1893                 if (lc->bl_refresh){
1894                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1895                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1896                                 linphone_core_grab_buddy_infos(lc,cfg);
1897                                 lc->bl_refresh=FALSE;
1898                         }
1899                 }
1900                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1901         }
1902 }
1903
1904 /**
1905  * Main loop function. It is crucial that your application call it periodically.
1906  *
1907  * @ingroup initializing
1908  * linphone_core_iterate() performs various backgrounds tasks:
1909  * - receiving of SIP messages
1910  * - handles timers and timeout
1911  * - performs registration to proxies
1912  * - authentication retries
1913  * The application MUST call this function periodically, in its main loop.
1914  * Be careful that this function must be called from the same thread as
1915  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1916  * serialized with a mutex.
1917 **/
1918 void linphone_core_iterate(LinphoneCore *lc){
1919         MSList *calls;
1920         LinphoneCall *call;
1921         time_t curtime=time(NULL);
1922         int elapsed;
1923         bool_t one_second_elapsed=FALSE;
1924
1925         if (curtime-lc->prevtime>=1){
1926                 lc->prevtime=curtime;
1927                 one_second_elapsed=TRUE;
1928         }
1929
1930         if (lc->ecc!=NULL){
1931                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1932                 if (ecs!=LinphoneEcCalibratorInProgress){
1933                         if (lc->ecc->cb)
1934                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1935                         if (ecs==LinphoneEcCalibratorDone){
1936                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1937                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1938                         }
1939                         ec_calibrator_destroy(lc->ecc);
1940                         lc->ecc=NULL;
1941                 }
1942         }
1943
1944         if (lc->preview_finished){
1945                 lc->preview_finished=0;
1946                 ring_stop(lc->ringstream);
1947                 lc->ringstream=NULL;
1948                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1949         }
1950
1951         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1952             && (curtime-lc->dmfs_playing_start_time)>5){
1953                 ring_stop(lc->ringstream);
1954                 lc->ringstream=NULL;
1955                 lc->dmfs_playing_start_time=0;
1956         }
1957
1958         sal_iterate(lc->sal);
1959         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1960         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1961
1962         proxy_update(lc);
1963
1964         //we have to iterate for each call
1965         calls= lc->calls;
1966         while(calls!= NULL){
1967                 call = (LinphoneCall *)calls->data;
1968                  /* get immediately a reference to next one in case the one
1969                  we are going to examine is destroy and removed during
1970                  linphone_core_start_invite() */
1971                 calls=calls->next;
1972                 linphone_call_background_tasks(call,one_second_elapsed);
1973                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1974                         /*start the call even if the OPTIONS reply did not arrive*/
1975                         if (call->ice_session != NULL) {
1976                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
1977                                                 ,linphone_core_get_stun_server(lc));
1978                                 linphone_call_delete_ice_session(call);
1979                                 linphone_call_stop_media_streams_for_ice_gathering(call);
1980                         }
1981                         linphone_core_start_invite(lc,call);
1982                 }
1983                 if (call->state==LinphoneCallIncomingReceived){
1984                         elapsed=curtime-call->start_time;
1985                         ms_message("incoming call ringing for %i seconds",elapsed);
1986                         if (elapsed>lc->sip_conf.inc_timeout){
1987                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1988                                 call->log->status=LinphoneCallMissed;
1989                                 call->reason=LinphoneReasonNotAnswered;
1990                                 linphone_core_terminate_call(lc,call);
1991                         }
1992                 }
1993         }
1994
1995         if (linphone_core_video_preview_enabled(lc)){
1996                 if (lc->previewstream==NULL && lc->calls==NULL)
1997                         toggle_video_preview(lc,TRUE);
1998 #ifdef VIDEO_ENABLED
1999                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2000 #endif
2001         }else{
2002                 if (lc->previewstream!=NULL)
2003                         toggle_video_preview(lc,FALSE);
2004         }
2005
2006         linphone_core_run_hooks(lc);
2007         linphone_core_do_plugin_tasks(lc);
2008
2009         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2010             (curtime-lc->netup_time)>3){
2011                 linphone_core_send_initial_subscribes(lc);
2012                 lc->initial_subscribes_sent=TRUE;
2013         }
2014
2015         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2016                 lp_config_sync(lc->config);
2017         }
2018 }
2019
2020 /**
2021  * Interpret a call destination as supplied by the user, and returns a fully qualified
2022  * LinphoneAddress.
2023  *
2024  * A sip address should look like DisplayName <sip:username@domain:port> .
2025  * Basically this function performs the following tasks
2026  * - if a phone number is entered, prepend country prefix of the default proxy
2027  *   configuration, eventually escape the '+' by 00.
2028  * - if no domain part is supplied, append the domain name of the default proxy
2029  * - if no sip: is present, prepend it
2030  *
2031  * The result is a syntaxically correct SIP address.
2032 **/
2033
2034 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2035         enum_lookup_res_t *enumres=NULL;
2036         char *enum_domain=NULL;
2037         LinphoneProxyConfig *proxy=lc->default_proxy;;
2038         char *tmpurl;
2039         LinphoneAddress *uri;
2040
2041         if (is_enum(url,&enum_domain)){
2042                 if (lc->vtable.display_status!=NULL)
2043                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2044                 if (enum_lookup(enum_domain,&enumres)<0){
2045                         if (lc->vtable.display_status!=NULL)
2046                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2047                         ms_free(enum_domain);
2048                         return NULL;
2049                 }
2050                 ms_free(enum_domain);
2051                 tmpurl=enumres->sip_address[0];
2052                 uri=linphone_address_new(tmpurl);
2053                 enum_lookup_res_free(enumres);
2054                 return uri;
2055         }
2056         /* check if we have a "sip:" */
2057         if (strstr(url,"sip:")==NULL){
2058                 /* this doesn't look like a true sip uri */
2059                 if (strchr(url,'@')!=NULL){
2060                         /* seems like sip: is missing !*/
2061                         tmpurl=ms_strdup_printf("sip:%s",url);
2062                         uri=linphone_address_new(tmpurl);
2063                         ms_free(tmpurl);
2064                         if (uri){
2065                                 return uri;
2066                         }
2067                 }
2068
2069                 if (proxy!=NULL){
2070                         /* append the proxy domain suffix */
2071                         const char *identity=linphone_proxy_config_get_identity(proxy);
2072                         char normalized_username[128];
2073                         uri=linphone_address_new(identity);
2074                         if (uri==NULL){
2075                                 return NULL;
2076                         }
2077                         linphone_address_set_display_name(uri,NULL);
2078                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2079                                                                 sizeof(normalized_username));
2080                         linphone_address_set_username(uri,normalized_username);
2081                         return uri;
2082                 }else return NULL;
2083         }
2084         uri=linphone_address_new(url);
2085         if (uri!=NULL){
2086                 return uri;
2087         }
2088         /* else we could not do anything with url given by user, so display an error */
2089         if (lc->vtable.display_warning!=NULL){
2090                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2091         }
2092         return NULL;
2093 }
2094
2095 /**
2096  * Returns the default identity SIP address.
2097  *
2098  * @ingroup proxies
2099  * This is an helper function:
2100  *
2101  * If no default proxy is set, this will return the primary contact (
2102  * see linphone_core_get_primary_contact() ). If a default proxy is set
2103  * it returns the registered identity on the proxy.
2104 **/
2105 const char * linphone_core_get_identity(LinphoneCore *lc){
2106         LinphoneProxyConfig *proxy=NULL;
2107         const char *from;
2108         linphone_core_get_default_proxy(lc,&proxy);
2109         if (proxy!=NULL) {
2110                 from=linphone_proxy_config_get_identity(proxy);
2111         }else from=linphone_core_get_primary_contact(lc);
2112         return from;
2113 }
2114
2115 const char * linphone_core_get_route(LinphoneCore *lc){
2116         LinphoneProxyConfig *proxy=NULL;
2117         const char *route=NULL;
2118         linphone_core_get_default_proxy(lc,&proxy);
2119         if (proxy!=NULL) {
2120                 route=linphone_proxy_config_get_route(proxy);
2121         }
2122         return route;
2123 }
2124
2125 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2126         if (call->refer_pending){
2127                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2128                 LinphoneCall *newcall;
2129                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2130                 cp->referer=call;
2131                 ms_message("Starting new call to refered address %s",call->refer_to);
2132                 call->refer_pending=FALSE;
2133                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2134                 linphone_call_params_destroy(cp);
2135                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2136         }
2137 }
2138
2139 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2140         if (referer->op!=NULL){
2141                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2142         }
2143 }
2144
2145 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2146         const MSList *elem;
2147         LinphoneProxyConfig *found_cfg=NULL;
2148         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2149
2150         /*always prefer the default proxy if it is matching the destination uri*/
2151         if (default_cfg){
2152                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2153                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2154                         return default_cfg;
2155         }
2156
2157         /*otherwise iterate through the other proxy config and return the first matching*/
2158         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2159                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2160                 const char *domain=linphone_proxy_config_get_domain(cfg);
2161                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2162                         found_cfg=cfg;
2163                         break;
2164                 }
2165         }
2166         return found_cfg;
2167 }
2168
2169 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2170         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2171         if (cfg==NULL)
2172                 linphone_core_get_default_proxy (lc,&cfg);
2173         if (cfg!=NULL){
2174                 if (route) *route=linphone_proxy_config_get_route(cfg);
2175                 return linphone_proxy_config_get_identity (cfg);
2176         }
2177         return linphone_core_get_primary_contact (lc);
2178 }
2179
2180 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2181         LinphoneAddress *ctt;
2182         const char *localip=call->localip;
2183
2184         /* first use user's supplied ip address if asked*/
2185         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2186                 ctt=linphone_core_get_primary_contact_parsed(lc);
2187                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2188                         linphone_core_get_nat_address_resolved(lc));
2189         }
2190
2191         /* if already choosed, don't change it */
2192         if (call->op && sal_op_get_contact(call->op)!=NULL){
2193                 return NULL;
2194         }
2195         /* if the ping OPTIONS request succeeded use the contact guessed from the
2196          received, rport*/
2197         if (call->ping_op){
2198                 const char *guessed=sal_op_get_contact(call->ping_op);
2199                 if (guessed){
2200                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2201                         return ms_strdup(guessed);
2202                 }
2203         }
2204
2205         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2206         if (dest_proxy && dest_proxy->op){
2207                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2208                 if (fixed_contact) {
2209                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2210                         return ms_strdup(fixed_contact);
2211                 }
2212         }
2213
2214         ctt=linphone_core_get_primary_contact_parsed(lc);
2215
2216         if (ctt!=NULL){
2217                 char *ret;
2218                 /*otherwise use supllied localip*/
2219                 linphone_address_set_domain(ctt,localip);
2220                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2221                 ret=linphone_address_as_string_uri_only(ctt);
2222                 linphone_address_destroy(ctt);
2223                 ms_message("Contact has been fixed using local ip to %s",ret);
2224                 return ret;
2225         }
2226         return NULL;
2227 }
2228
2229 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2230         bool_t ice_ready = FALSE;
2231         bool_t ping_ready = FALSE;
2232
2233         if (call->ice_session != NULL) {
2234                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2235         } else {
2236                 ice_ready = TRUE;
2237         }
2238         if (call->ping_op != NULL) {
2239                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2240         } else {
2241                 ping_ready = TRUE;
2242         }
2243
2244         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2245                 return linphone_core_start_invite(lc, call);
2246         }
2247         return 0;
2248 }
2249
2250 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2251         int err;
2252         char *contact;
2253         char *real_url,*barmsg;
2254         char *from;
2255         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2256
2257         /*try to be best-effort in giving real local or routable contact address */
2258         contact=get_fixed_contact(lc,call,dest_proxy);
2259         if (contact){
2260                 sal_op_set_contact(call->op, contact);
2261                 ms_free(contact);
2262         }
2263         linphone_core_stop_dtmf_stream(lc);
2264         linphone_call_init_media_streams(call);
2265         if (lc->ringstream==NULL)
2266                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2267         call->localdesc=create_local_media_description(lc,call);
2268         if (!lc->sip_conf.sdp_200_ack){
2269                 call->media_pending=TRUE;
2270                 sal_call_set_local_media_description(call->op,call->localdesc);
2271         }
2272         real_url=linphone_address_as_string(call->log->to);
2273         from=linphone_address_as_string(call->log->from);
2274         err=sal_call(call->op,from,real_url);
2275         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2276
2277         if (lc->sip_conf.sdp_200_ack){
2278                 call->media_pending=TRUE;
2279                 sal_call_set_local_media_description(call->op,call->localdesc);
2280         }
2281         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2282         if (lc->vtable.display_status!=NULL)
2283                 lc->vtable.display_status(lc,barmsg);
2284         ms_free(barmsg);
2285
2286         if (err<0){
2287                 if (lc->vtable.display_status!=NULL)
2288                         lc->vtable.display_status(lc,_("Could not call"));
2289                 linphone_call_stop_media_streams(call);
2290                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2291         }else {
2292                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2293         }
2294         ms_free(real_url);
2295         ms_free(from);
2296         return err;
2297 }
2298
2299 /**
2300  * Initiates an outgoing call
2301  *
2302  * @ingroup call_control
2303  * @param lc the LinphoneCore object
2304  * @param url the destination of the call (sip address, or phone number).
2305  *
2306  * The application doesn't own a reference to the returned LinphoneCall object.
2307  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2308  *
2309  * @return a LinphoneCall object or NULL in case of failure
2310 **/
2311 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2312         LinphoneCall *call;
2313         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2314         p->has_video &= !!lc->video_policy.automatically_initiate;
2315         call=linphone_core_invite_with_params(lc,url,p);
2316         linphone_call_params_destroy(p);
2317         return call;
2318 }
2319
2320
2321 /**
2322  * Initiates an outgoing call according to supplied call parameters
2323  *
2324  * @ingroup call_control
2325  * @param lc the LinphoneCore object
2326  * @param url the destination of the call (sip address, or phone number).
2327  * @param p call parameters
2328  *
2329  * The application doesn't own a reference to the returned LinphoneCall object.
2330  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2331  *
2332  * @return a LinphoneCall object or NULL in case of failure
2333 **/
2334 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2335         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2336         if (addr){
2337                 LinphoneCall *call;
2338                 call=linphone_core_invite_address_with_params(lc,addr,p);
2339                 linphone_address_destroy(addr);
2340                 return call;
2341         }
2342         return NULL;
2343 }
2344
2345 /**
2346  * Initiates an outgoing call given a destination LinphoneAddress
2347  *
2348  * @ingroup call_control
2349  * @param lc the LinphoneCore object
2350  * @param addr the destination of the call (sip address).
2351  *
2352  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2353  * created by linphone_core_interpret_url().
2354  * The application doesn't own a reference to the returned LinphoneCall object.
2355  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2356  *
2357  * @return a LinphoneCall object or NULL in case of failure
2358 **/
2359 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2360         LinphoneCall *call;
2361         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2362         p->has_video &= !!lc->video_policy.automatically_initiate;
2363         call=linphone_core_invite_address_with_params (lc,addr,p);
2364         linphone_call_params_destroy(p);
2365         return call;
2366 }
2367
2368
2369 /**
2370  * Initiates an outgoing call given a destination LinphoneAddress
2371  *
2372  * @ingroup call_control
2373  * @param lc the LinphoneCore object
2374  * @param addr the destination of the call (sip address).
2375         @param params call parameters
2376  *
2377  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2378  * created by linphone_core_interpret_url().
2379  * The application doesn't own a reference to the returned LinphoneCall object.
2380  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2381  *
2382  * @return a LinphoneCall object or NULL in case of failure
2383 **/
2384 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2385 {
2386         const char *route=NULL;
2387         const char *from=NULL;
2388         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2389         LinphoneAddress *parsed_url2=NULL;
2390         char *real_url=NULL;
2391         LinphoneCall *call;
2392         bool_t use_ice = FALSE;
2393
2394         linphone_core_preempt_sound_resources(lc);
2395
2396         if(!linphone_core_can_we_add_call(lc)){
2397                 if (lc->vtable.display_warning)
2398                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2399                 return NULL;
2400         }
2401         linphone_core_get_default_proxy(lc,&proxy);
2402         route=linphone_core_get_route(lc);
2403
2404         real_url=linphone_address_as_string(addr);
2405         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2406
2407         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2408                 ms_message("Overriding default proxy setting for this call:");
2409                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2410         }
2411
2412         if (dest_proxy!=NULL)
2413                 from=linphone_proxy_config_get_identity(dest_proxy);
2414         else if (proxy!=NULL)
2415                 from=linphone_proxy_config_get_identity(proxy);
2416
2417         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2418         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2419
2420         parsed_url2=linphone_address_new(from);
2421
2422         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2423         call->dest_proxy=dest_proxy;
2424         sal_op_set_route(call->op,route);
2425
2426         if(linphone_core_add_call(lc,call)!= 0)
2427         {
2428                 ms_warning("we had a problem in adding the call into the invite ... weird");
2429                 linphone_call_unref(call);
2430                 return NULL;
2431         }
2432         /* this call becomes now the current one*/
2433         lc->current_call=call;
2434         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2435         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2436                 /* Defer the start of the call after the ICE gathering process. */
2437                 linphone_call_init_media_streams(call);
2438                 linphone_call_start_media_streams_for_ice_gathering(call);
2439                 call->start_time=time(NULL);
2440                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2441                         /* Ice candidates gathering failed, proceed with the call anyway. */
2442                         linphone_call_delete_ice_session(call);
2443                         linphone_call_stop_media_streams_for_ice_gathering(call);
2444                 } else {
2445                         use_ice = TRUE;
2446                 }
2447         }
2448
2449         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2450                 /*defer the start of the call after the OPTIONS ping*/
2451                 call->ping_replied=FALSE;
2452                 call->ping_op=sal_op_new(lc->sal);
2453                 sal_ping(call->ping_op,from,real_url);
2454                 sal_op_set_user_pointer(call->ping_op,call);
2455                 call->start_time=time(NULL);
2456         }else{
2457                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2458         }
2459
2460         if (real_url!=NULL) ms_free(real_url);
2461         return call;
2462 }
2463
2464 /**
2465  * Performs a simple call transfer to the specified destination.
2466  *
2467  * The remote endpoint is expected to issue a new call to the specified destination.
2468  * The current call remains active and thus can be later paused or terminated.
2469 **/
2470 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2471 {
2472         char *real_url=NULL;
2473         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2474
2475         if (!real_parsed_url){
2476                 /* bad url */
2477                 return -1;
2478         }
2479         if (call==NULL){
2480                 ms_warning("No established call to refer.");
2481                 return -1;
2482         }
2483         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2484         real_url=linphone_address_as_string (real_parsed_url);
2485         sal_call_refer(call->op,real_url);
2486         ms_free(real_url);
2487         linphone_address_destroy(real_parsed_url);
2488         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2489         return 0;
2490 }
2491
2492 /**
2493  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2494  * @param lc linphone core object
2495  * @param call a running call you want to transfer
2496  * @param dest a running call whose remote person will receive the transfer
2497  *
2498  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2499  * The destination call is a call previously established to introduce the transfered person.
2500  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2501  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2502  * close the call with us (the 'dest' call).
2503 **/
2504 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2505         int result = sal_call_refer_with_replaces (call->op,dest->op);
2506         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2507         return result;
2508 }
2509
2510 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2511         LinphoneCall *call = linphone_core_get_current_call(lc);
2512         if(call != NULL)
2513         {
2514                 if(call->dir==LinphoneCallIncoming
2515                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2516                         return TRUE;
2517         }
2518         return FALSE;
2519 }
2520
2521 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2522         char *barmesg;
2523         char *tmp;
2524         LinphoneAddress *from_parsed;
2525         SalMediaDescription *md;
2526         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2527         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2528
2529         call->localdesc=create_local_media_description(lc,call);
2530         sal_call_set_local_media_description(call->op,call->localdesc);
2531         md=sal_call_get_final_media_description(call->op);
2532         if (md && sal_media_description_empty(md)){
2533                 sal_call_decline(call->op,SalReasonMedia,NULL);
2534                 linphone_call_unref(call);
2535                 return;
2536         }
2537
2538         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2539         linphone_address_clean(from_parsed);
2540         tmp=linphone_address_as_string(from_parsed);
2541         linphone_address_destroy(from_parsed);
2542         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2543             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2544         if (lc->vtable.show) lc->vtable.show(lc);
2545         if (lc->vtable.display_status)
2546             lc->vtable.display_status(lc,barmesg);
2547
2548         /* play the ring if this is the only call*/
2549         if (ms_list_size(lc->calls)==1){
2550                 lc->current_call=call;
2551                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2552                         ring_stop(lc->ringstream);
2553                         lc->ringstream=NULL;
2554                         lc->dmfs_playing_start_time=0;
2555                 }
2556                 if (lc->sound_conf.ring_sndcard!=NULL){
2557                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2558                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2559                                 ms_message("Starting local ring...");
2560                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2561                         }
2562                         else
2563                         {
2564                                 ms_message("the local ring is already started");
2565                         }
2566                 }
2567         }else{
2568                 /* else play a tone within the context of the current call */
2569                 call->ringing_beep=TRUE;
2570                 linphone_core_play_tone(lc);
2571         }
2572
2573         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2574
2575         if (call->state==LinphoneCallIncomingReceived){
2576                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2577
2578                 if (propose_early_media || ringback_tone!=NULL){
2579                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2580                         md=sal_call_get_final_media_description(call->op);
2581                         linphone_core_update_streams(lc,call,md);
2582                 }
2583                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2584                         linphone_core_accept_call(lc,call);
2585                 }
2586         }
2587         linphone_call_unref(call);
2588
2589         ms_free(barmesg);
2590         ms_free(tmp);
2591 }
2592
2593 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2594         const char *subject;
2595         call->camera_active=call->params.has_video;
2596         if (call->ice_session != NULL)
2597                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2598
2599         if (call->params.in_conference){
2600                 subject="Conference";
2601         }else{
2602                 subject="Media change";
2603         }
2604         if (lc->vtable.display_status)
2605                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2606         sal_call_set_local_media_description (call->op,call->localdesc);
2607         return sal_call_update(call->op,subject);
2608 }
2609
2610 /**
2611  * @ingroup call_control
2612  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2613  *
2614  * In this version this is limited to the following use cases:
2615  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2616  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2617  *
2618  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2619  * @param lc the core
2620  * @param call the call to be updated
2621  * @param params the new call parameters to use. (may be NULL)
2622  * @return 0 if successful, -1 otherwise.
2623 **/
2624 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2625         int err=0;
2626         if (params!=NULL){
2627                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2628 #ifdef VIDEO_ENABLED
2629                 bool_t has_video = call->params.has_video;
2630                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2631                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2632                         call->videostream->ice_check_list = NULL;
2633                 }
2634                 call->params = *params;
2635                 update_local_media_description(lc, call);
2636                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2637                         /* Defer call update until the ICE candidates gathering process has finished. */
2638                         ms_message("Defer call update to gather ICE candidates");
2639                         linphone_call_init_video_stream(call);
2640                         video_stream_prepare_video(call->videostream);
2641                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2642                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2643                                 linphone_call_delete_ice_session(call);
2644                         } else return err;
2645                 }
2646 #endif
2647                 err = linphone_core_start_update_call(lc, call);
2648         }else{
2649 #ifdef VIDEO_ENABLED
2650                 if (call->videostream!=NULL){
2651                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2652                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2653                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2654                         }else video_stream_update_video_params(call->videostream);
2655                 }
2656 #endif
2657         }
2658
2659         return err;
2660 }
2661
2662 /**
2663  * @ingroup call_control
2664  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2665  *
2666  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2667  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2668  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2669  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2670  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2671  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2672  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2673  *
2674  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2675 **/
2676 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2677         if (call->state==LinphoneCallUpdatedByRemote){
2678                 call->defer_update=TRUE;
2679                 return 0;
2680         }
2681         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2682         return -1;
2683 }
2684
2685 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2686         SalMediaDescription *md;
2687         if (call->ice_session != NULL) {
2688                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2689                         /* Defer the sending of the answer until there are no losing pairs left. */
2690                         return 0;
2691                 }
2692                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2693         }
2694         sal_call_set_local_media_description(call->op,call->localdesc);
2695         sal_call_accept(call->op);
2696         md=sal_call_get_final_media_description(call->op);
2697         if (md && !sal_media_description_empty(md))
2698                 linphone_core_update_streams (lc,call,md);
2699         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2700         return 0;
2701 }
2702
2703 /**
2704  * @ingroup call_control
2705  * Accept call modifications initiated by other end.
2706  *
2707  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2708  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2709  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2710  * requested by the other party, such as whether a video stream is requested.
2711  *
2712  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2713  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2714  * If params is not NULL, then the update will be accepted according to the parameters passed.
2715  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2716  * (see linphone_call_params_enable_video()).
2717  * @param lc the linphone core object.
2718  * @param call the LinphoneCall object
2719  * @param params a LinphoneCallParams object describing the call parameters to accept.
2720  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2721 **/
2722 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2723 #ifdef VIDEO_ENABLED
2724         bool_t old_has_video = call->params.has_video;
2725 #endif
2726         if (call->state!=LinphoneCallUpdatedByRemote){
2727                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2728                          linphone_call_state_to_string(call->state));
2729                 return -1;
2730         }
2731         if (params==NULL){
2732                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2733         }else
2734                 call->params=*params;
2735
2736         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2737                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2738                 call->params.has_video=FALSE;
2739         }
2740         if (call->current_params.in_conference) {
2741                 ms_warning("Video isn't supported in conference");
2742                 call->params.has_video = FALSE;
2743         }
2744         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2745         call->camera_active=call->params.has_video;
2746         update_local_media_description(lc,call);
2747         if (call->ice_session != NULL) {
2748                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2749 #ifdef VIDEO_ENABLED
2750                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2751                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2752                                 linphone_call_init_video_stream(call);
2753                                 video_stream_prepare_video(call->videostream);
2754                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2755                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2756                                         linphone_call_delete_ice_session(call);
2757                                 } else return 0;
2758                         }
2759                 }
2760 #endif
2761         }
2762         linphone_core_start_accept_call_update(lc, call);
2763         return 0;
2764 }
2765
2766 /**
2767  * Accept an incoming call.
2768  *
2769  * @ingroup call_control
2770  * Basically the application is notified of incoming calls within the
2771  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2772  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2773  * The application can later accept the call using this method.
2774  * @param lc the LinphoneCore object
2775  * @param call the LinphoneCall object representing the call to be answered.
2776  *
2777 **/
2778 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2779         return linphone_core_accept_call_with_params(lc,call,NULL);
2780 }
2781
2782 /**
2783  * Accept an incoming call, with parameters.
2784  *
2785  * @ingroup call_control
2786  * Basically the application is notified of incoming calls within the
2787  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2788  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2789  * The application can later accept the call using
2790  * this method.
2791  * @param lc the LinphoneCore object
2792  * @param call the LinphoneCall object representing the call to be answered.
2793  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2794  *
2795 **/
2796 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2797 {
2798         LinphoneProxyConfig *cfg=NULL;
2799         const char *contact=NULL;
2800         SalOp *replaced;
2801         SalMediaDescription *new_md;
2802         bool_t was_ringing=FALSE;
2803
2804         if (call==NULL){
2805                 //if just one call is present answer the only one ...
2806                 if(linphone_core_get_calls_nb (lc) != 1)
2807                         return -1;
2808                 else
2809                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2810         }
2811
2812         if (call->state==LinphoneCallConnected){
2813                 /*call already accepted*/
2814                 return -1;
2815         }
2816
2817         /* check if this call is supposed to replace an already running one*/
2818         replaced=sal_call_get_replaces(call->op);
2819         if (replaced){
2820                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2821                 if (rc){
2822                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2823                                    call,rc);
2824                         linphone_core_terminate_call(lc,rc);
2825                 }
2826         }
2827
2828         if (lc->current_call!=call){
2829                 linphone_core_preempt_sound_resources(lc);
2830         }
2831
2832         /*stop ringing */
2833         if (lc->ringstream!=NULL) {
2834                 ms_message("stop ringing");
2835                 ring_stop(lc->ringstream);
2836                 ms_message("ring stopped");
2837                 lc->ringstream=NULL;
2838                 was_ringing=TRUE;
2839         }
2840         if (call->ringing_beep){
2841                 linphone_core_stop_dtmf(lc);
2842                 call->ringing_beep=FALSE;
2843         }
2844
2845         linphone_core_get_default_proxy(lc,&cfg);
2846         call->dest_proxy=cfg;
2847         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2848
2849         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2850                 ms_message("Overriding default proxy setting for this call:");
2851                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2852         }
2853         /*try to be best-effort in giving real local or routable contact address*/
2854         contact=get_fixed_contact(lc,call,call->dest_proxy);
2855         if (contact)
2856                 sal_op_set_contact(call->op,contact);
2857
2858         if (params){
2859                 call->params=*params;
2860                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2861                 call->camera_active=call->params.has_video;
2862                 update_local_media_description(lc,call);
2863                 sal_call_set_local_media_description(call->op,call->localdesc);
2864         }
2865
2866         if (call->audiostream==NULL)
2867                 linphone_call_init_media_streams(call);
2868         if (!was_ringing && call->audiostream->ticker==NULL){
2869                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2870         }
2871
2872         sal_call_accept(call->op);
2873         if (lc->vtable.display_status!=NULL)
2874                 lc->vtable.display_status(lc,_("Connected."));
2875         lc->current_call=call;
2876         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2877         new_md=sal_call_get_final_media_description(call->op);
2878         linphone_core_update_streams(lc, call, new_md);
2879         if (new_md){
2880                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2881         }else call->media_pending=TRUE;
2882
2883         ms_message("call answered.");
2884         return 0;
2885 }
2886
2887 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2888         sal_call_terminate(call->op);
2889
2890         /*stop ringing*/
2891         if (lc->ringstream!=NULL) {
2892                 ring_stop(lc->ringstream);
2893                 lc->ringstream=NULL;
2894         }
2895         linphone_call_stop_media_streams(call);
2896         if (lc->vtable.display_status!=NULL)
2897                 lc->vtable.display_status(lc,_("Call aborted") );
2898         linphone_call_set_state(call,LinphoneCallError,error);
2899         return 0;
2900 }
2901
2902 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2903         if (call->state==LinphoneCallIncomingReceived){
2904                 if (call->reason!=LinphoneReasonNotAnswered)
2905                         call->reason=LinphoneReasonDeclined;
2906         }
2907         /*stop ringing*/
2908         if (lc->ringstream!=NULL) {
2909                 ring_stop(lc->ringstream);
2910                 lc->ringstream=NULL;
2911         }
2912
2913         linphone_call_stop_media_streams(call);
2914         if (lc->vtable.display_status!=NULL)
2915                 lc->vtable.display_status(lc,_("Call ended") );
2916 }
2917
2918 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2919         if (call->state==LinphoneCallIncomingReceived){
2920                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2921                 call->reason=LinphoneReasonDeclined;
2922                 terminate_call(lc,call);
2923                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2924         }else{
2925                 ms_error("Bad state for call redirection.");
2926                 return -1;
2927     }
2928         return 0;
2929 }
2930
2931
2932 /**
2933  * Terminates a call.
2934  *
2935  * @ingroup call_control
2936  * @param lc the LinphoneCore
2937  * @param the_call the LinphoneCall object representing the call to be terminated.
2938 **/
2939 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2940 {
2941         LinphoneCall *call;
2942         if (the_call == NULL){
2943                 call = linphone_core_get_current_call(lc);
2944                 if (ms_list_size(lc->calls)==1){
2945                         call=(LinphoneCall*)lc->calls->data;
2946                 }else{
2947                         ms_warning("No unique call to terminate !");
2948                         return -1;
2949                 }
2950         }
2951         else
2952         {
2953                 call = the_call;
2954         }
2955         sal_call_terminate(call->op);
2956         terminate_call(lc,call);
2957
2958         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2959         return 0;
2960 }
2961
2962 /**
2963  * Terminates all the calls.
2964  *
2965  * @ingroup call_control
2966  * @param lc The LinphoneCore
2967 **/
2968 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2969         MSList *calls=lc->calls;
2970         while(calls) {
2971                 LinphoneCall *c=(LinphoneCall*)calls->data;
2972                 calls=calls->next;
2973                 linphone_core_terminate_call(lc,c);
2974         }
2975         return 0;
2976 }
2977
2978 /**
2979  * Returns the current list of calls.
2980  *
2981  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2982  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2983  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2984  *
2985  * @ingroup call_control
2986 **/
2987 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2988 {
2989         return lc->calls;
2990 }
2991
2992 /**
2993  * Returns TRUE if there is a call running.
2994  *
2995  * @ingroup call_control
2996 **/
2997 bool_t linphone_core_in_call(const LinphoneCore *lc){
2998         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2999 }
3000
3001 /**
3002  * Returns The _LinphoneCall struct of the current call if one is in call
3003  *
3004  * @ingroup call_control
3005 **/
3006 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3007 {
3008         return lc->current_call;
3009 }
3010
3011 /**
3012  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3013  * this file will be played to the remote user.
3014  *
3015  * @ingroup call_control
3016 **/
3017 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3018 {
3019         const char *subject=NULL;
3020
3021         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3022                 ms_warning("Cannot pause this call, it is not active.");
3023                 return -1;
3024         }
3025         update_local_media_description(lc,call);
3026         if (call->ice_session != NULL)
3027                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3028         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3029                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3030                 subject="Call on hold";
3031         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3032                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3033                 subject="Call on hold for me too";
3034         }else{
3035                 ms_error("No reason to pause this call, it is already paused or inactive.");
3036                 return -1;
3037         }
3038         sal_call_set_local_media_description(call->op,call->localdesc);
3039         if (sal_call_update(call->op,subject) != 0){
3040                 if (lc->vtable.display_warning)
3041                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3042         }
3043         lc->current_call=NULL;
3044         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3045         if (lc->vtable.display_status)
3046                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3047         if (call->audiostream || call->videostream)
3048                 linphone_call_stop_media_streams (call);
3049         return 0;
3050 }
3051
3052 /**
3053  * Pause all currently running calls.
3054 **/
3055 int linphone_core_pause_all_calls(LinphoneCore *lc){
3056         const MSList *elem;
3057         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3058                 LinphoneCall *call=(LinphoneCall *)elem->data;
3059                 LinphoneCallState cs=linphone_call_get_state(call);
3060                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3061                         linphone_core_pause_call(lc,call);
3062                 }
3063         }
3064         return 0;
3065 }
3066
3067 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3068         LinphoneCall *current_call;
3069         if (linphone_core_is_in_conference(lc)){
3070                 linphone_core_leave_conference(lc);
3071                 return;
3072         }
3073         current_call=linphone_core_get_current_call(lc);
3074         if(current_call != NULL){
3075                 ms_message("Pausing automatically the current call.");
3076                 linphone_core_pause_call(lc,current_call);
3077         }
3078 }
3079
3080 /**
3081  * Resumes the call.
3082  *
3083  * @ingroup call_control
3084 **/
3085 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3086 {
3087         char temp[255]={0};
3088         LinphoneCall *call = the_call;
3089         const char *subject="Call resuming";
3090
3091         if(call->state!=LinphoneCallPaused ){
3092                 ms_warning("we cannot resume a call that has not been established and paused before");
3093                 return -1;
3094         }
3095         if (call->params.in_conference==FALSE){
3096                 linphone_core_preempt_sound_resources(lc);
3097                 ms_message("Resuming call %p",call);
3098         }
3099
3100         /* Stop playing music immediately. If remote side is a conference it
3101          prevents the participants to hear it while the 200OK comes back.*/
3102         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3103
3104         update_local_media_description(lc,the_call);
3105         if (call->ice_session != NULL)
3106                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3107         sal_call_set_local_media_description(call->op,call->localdesc);
3108         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3109         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3110         if(sal_call_update(call->op,subject) != 0){
3111                 return -1;
3112         }
3113         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3114         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3115         if (lc->vtable.display_status)
3116                 lc->vtable.display_status(lc,temp);
3117         return 0;
3118 }
3119
3120 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3121         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3122         return !linphone_address_weak_equal (addr,raddr);
3123 }
3124
3125 /**
3126  * Get the call with the remote_address specified
3127  * @param lc
3128  * @param remote_address
3129  * @return the LinphoneCall of the call if found
3130  */
3131 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3132         LinphoneAddress *raddr=linphone_address_new(remote_address);
3133         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3134         if (elem) return (LinphoneCall*) elem->data;
3135         return NULL;
3136 }
3137
3138 int linphone_core_send_publish(LinphoneCore *lc,
3139                                LinphoneOnlineStatus presence_mode)
3140 {
3141         const MSList *elem;
3142         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3143                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3144                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3145         }
3146         return 0;
3147 }
3148
3149 /**
3150  * Set the incoming call timeout in seconds.
3151  *
3152  * @ingroup call_control
3153  * If an incoming call isn't answered for this timeout period, it is
3154  * automatically declined.
3155 **/
3156 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3157         lc->sip_conf.inc_timeout=seconds;
3158 }
3159
3160 /**
3161  * Returns the incoming call timeout
3162  *
3163  * @ingroup call_control
3164  * See linphone_core_set_inc_timeout() for details.
3165 **/
3166 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3167         return lc->sip_conf.inc_timeout;
3168 }
3169
3170 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3171                                                                                                         const char *contact,
3172                                                                                                         LinphoneOnlineStatus presence_mode)
3173 {
3174         if (minutes_away>0) lc->minutes_away=minutes_away;
3175
3176         if (lc->alt_contact!=NULL) {
3177                 ms_free(lc->alt_contact);
3178                 lc->alt_contact=NULL;
3179         }
3180         if (contact) lc->alt_contact=ms_strdup(contact);
3181         if (lc->presence_mode!=presence_mode){
3182                 linphone_core_notify_all_friends(lc,presence_mode);
3183                 /*
3184                    Improve the use of all LINPHONE_STATUS available.
3185                    !TODO Do not mix "presence status" with "answer status code"..
3186                    Use correct parameter to follow sip_if_match/sip_etag.
3187                  */
3188                 linphone_core_send_publish(lc,presence_mode);
3189         }
3190         lc->presence_mode=presence_mode;
3191 }
3192
3193 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3194         return lc->presence_mode;
3195 }
3196
3197 /**
3198  * Get playback sound level in 0-100 scale.
3199  *
3200  * @ingroup media_parameters
3201 **/
3202 int linphone_core_get_play_level(LinphoneCore *lc)
3203 {
3204         return lc->sound_conf.play_lev;
3205 }
3206
3207 /**
3208  * Get ring sound level in 0-100 scale
3209  *
3210  * @ingroup media_parameters
3211 **/
3212 int linphone_core_get_ring_level(LinphoneCore *lc)
3213 {
3214         return lc->sound_conf.ring_lev;
3215 }
3216
3217 /**
3218  * Get sound capture level in 0-100 scale
3219  *
3220  * @ingroup media_parameters
3221 **/
3222 int linphone_core_get_rec_level(LinphoneCore *lc){
3223         return lc->sound_conf.rec_lev;
3224 }
3225
3226 /**
3227  * Set sound ring level in 0-100 scale
3228  *
3229  * @ingroup media_parameters
3230 **/
3231 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3232         MSSndCard *sndcard;
3233         lc->sound_conf.ring_lev=level;
3234         sndcard=lc->sound_conf.ring_sndcard;
3235         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3236 }
3237
3238 /**
3239  * Allow to control play level before entering sound card:  gain in db
3240  *
3241  * @ingroup media_parameters
3242 **/
3243 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3244         float gain=gaindb;
3245         LinphoneCall *call=linphone_core_get_current_call (lc);
3246         AudioStream *st;
3247
3248         lc->sound_conf.soft_play_lev=gaindb;
3249
3250         if (call==NULL || (st=call->audiostream)==NULL){
3251                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3252                 return;
3253         }
3254         if (st->volrecv){
3255                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3256         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3257 }
3258
3259 /**
3260  * Get playback gain in db before entering  sound card.
3261  *
3262  * @ingroup media_parameters
3263 **/
3264 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3265         return lc->sound_conf.soft_play_lev;
3266 }
3267
3268 /**
3269  * Set sound playback level in 0-100 scale
3270  *
3271  * @ingroup media_parameters
3272 **/
3273 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3274         MSSndCard *sndcard;
3275         lc->sound_conf.play_lev=level;
3276         sndcard=lc->sound_conf.play_sndcard;
3277         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3278 }
3279
3280 /**
3281  * Set sound capture level in 0-100 scale
3282  *
3283  * @ingroup media_parameters
3284 **/
3285 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3286 {
3287         MSSndCard *sndcard;
3288         lc->sound_conf.rec_lev=level;
3289         sndcard=lc->sound_conf.capt_sndcard;
3290         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3291 }
3292
3293 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3294         MSSndCard *sndcard=NULL;
3295         if (devid!=NULL){
3296                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3297                 if (sndcard!=NULL &&
3298                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3299                         ms_warning("%s card does not have the %s capability, ignoring.",
3300                                 devid,
3301                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3302                         sndcard=NULL;
3303                 }
3304         }
3305         if (sndcard==NULL) {
3306                 /* get a card that has read+write capabilities */
3307                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3308                 /* otherwise refine to the first card having the right capability*/
3309                 if (sndcard==NULL){
3310                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3311                         for(;elem!=NULL;elem=elem->next){
3312                                 sndcard=(MSSndCard*)elem->data;
3313                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3314                         }
3315                 }
3316                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3317                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3318                         if (elem) sndcard=(MSSndCard*)elem->data;
3319         }
3320         }
3321         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3322         return sndcard;
3323 }
3324
3325 /**
3326  * Returns true if the specified sound device can capture sound.
3327  *
3328  * @ingroup media_parameters
3329  * @param lc The LinphoneCore object
3330  * @param devid the device name as returned by linphone_core_get_sound_devices()
3331 **/
3332 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3333         MSSndCard *sndcard;
3334         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3335         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3336         return FALSE;
3337 }
3338
3339 /**
3340  * Returns true if the specified sound device can play sound.
3341  *
3342  * @ingroup media_parameters
3343  * @param lc The LinphoneCore object
3344  * @param devid the device name as returned by linphone_core_get_sound_devices()
3345 **/
3346 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3347         MSSndCard *sndcard;
3348         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3349         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3350         return FALSE;
3351 }
3352
3353 /**
3354  * Sets the sound device used for ringing.
3355  *
3356  * @ingroup media_parameters
3357  * @param lc The LinphoneCore object
3358  * @param devid the device name as returned by linphone_core_get_sound_devices()
3359 **/
3360 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3361         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3362         lc->sound_conf.ring_sndcard=card;
3363         if (card && linphone_core_ready(lc))
3364                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3365         return 0;
3366 }
3367
3368 /**
3369  * Sets the sound device used for playback.
3370  *
3371  * @ingroup media_parameters
3372  * @param lc The LinphoneCore object
3373  * @param devid the device name as returned by linphone_core_get_sound_devices()
3374 **/
3375 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3376         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3377         lc->sound_conf.play_sndcard=card;
3378         if (card &&  linphone_core_ready(lc))
3379                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3380         return 0;
3381 }
3382
3383 /**
3384  * Sets the sound device used for capture.
3385  *
3386  * @ingroup media_parameters
3387  * @param lc The LinphoneCore object
3388  * @param devid the device name as returned by linphone_core_get_sound_devices()
3389 **/
3390 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3391         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3392         lc->sound_conf.capt_sndcard=card;
3393         if (card &&  linphone_core_ready(lc))
3394                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3395         return 0;
3396 }
3397
3398 /**
3399  * Returns the name of the currently assigned sound device for ringing.
3400  *
3401  * @ingroup media_parameters
3402  * @param lc The LinphoneCore object
3403 **/
3404 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3405 {
3406         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3407         return NULL;
3408 }
3409
3410 /**
3411  * Returns the name of the currently assigned sound device for playback.
3412  *
3413  * @ingroup media_parameters
3414  * @param lc The LinphoneCore object
3415 **/
3416 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3417 {
3418         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3419 }
3420
3421 /**
3422  * Returns the name of the currently assigned sound device for capture.
3423  *
3424  * @ingroup media_parameters
3425  * @param lc The LinphoneCore object
3426 **/
3427 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3428 {
3429         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3430 }
3431
3432 /**
3433  * Returns an unmodifiable array of available sound devices.
3434  *
3435  * The array is NULL terminated.
3436  *
3437  * @ingroup media_parameters
3438  * @param lc The LinphoneCore object
3439 **/
3440 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3441         return lc->sound_conf.cards;
3442 }
3443
3444 /**
3445  * Returns an unmodifiable array of available video capture devices.
3446  *
3447  * @ingroup media_parameters
3448  * The array is NULL terminated.
3449 **/
3450 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3451         return lc->video_conf.cams;
3452 }
3453
3454 /**
3455  * Update detection of sound devices.
3456  *
3457  * Use this function when the application is notified of USB plug events, so that
3458  * list of available hardwares for sound playback and capture is updated.
3459  **/
3460 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3461         const char *ringer,*playback,*capture;
3462         ringer=linphone_core_get_ringer_device(lc);
3463         playback=linphone_core_get_playback_device(lc);
3464         capture=linphone_core_get_capture_device(lc);
3465         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3466         build_sound_devices_table(lc);
3467         linphone_core_set_ringer_device(lc,ringer);
3468         linphone_core_set_playback_device(lc,playback);
3469         linphone_core_set_capture_device(lc,capture);
3470 }
3471
3472 /**
3473  * Update detection of camera devices.
3474  *
3475  * Use this function when the application is notified of USB plug events, so that
3476  * list of available hardwares for video capture is updated.
3477  **/
3478 void linphone_core_reload_video_devices(LinphoneCore *lc){
3479         const char *devid;
3480         devid=linphone_core_get_video_device(lc);
3481         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3482         build_video_devices_table(lc);
3483         linphone_core_set_video_device(lc,devid);
3484 }
3485
3486 char linphone_core_get_sound_source(LinphoneCore *lc)
3487 {
3488         return lc->sound_conf.source;
3489 }
3490
3491 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3492 {
3493         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3494         lc->sound_conf.source=source;
3495         if (!sndcard) return;
3496         switch(source){
3497                 case 'm':
3498                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3499                         break;
3500                 case 'l':
3501                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3502                         break;
3503         }
3504
3505 }
3506
3507
3508 /**
3509  * Sets the path to a wav file used for ringing.
3510  *
3511  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3512  * @param lc The LinphoneCore object
3513  *
3514  * @ingroup media_parameters
3515 **/
3516 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3517         if (lc->sound_conf.local_ring!=0){
3518                 ms_free(lc->sound_conf.local_ring);
3519                 lc->sound_conf.local_ring=NULL;
3520         }
3521         if (path)
3522                 lc->sound_conf.local_ring=ms_strdup(path);
3523         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3524                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3525 }
3526
3527 /**
3528  * Returns the path to the wav file used for ringing.
3529  *
3530  * @param lc The LinphoneCore object
3531  * @ingroup media_parameters
3532 **/
3533 const char *linphone_core_get_ring(const LinphoneCore *lc){
3534         return lc->sound_conf.local_ring;
3535 }
3536
3537 /**
3538  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3539  *
3540  * @param path
3541  * @param lc The LinphoneCore object
3542  *
3543  * @ingroup media_parameters
3544 **/
3545 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3546         sal_set_root_ca(lc->sal, path);
3547 }
3548
3549 /**
3550  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3551 **/
3552 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3553         sal_verify_server_certificates(lc->sal,yesno);
3554 }
3555
3556 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3557         LinphoneCore *lc=(LinphoneCore*)ud;
3558         lc->preview_finished=1;
3559 }
3560
3561 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3562 {
3563         if (lc->ringstream!=0){
3564                 ms_warning("Cannot start ring now,there's already a ring being played");
3565                 return -1;
3566         }
3567         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3568         lc->preview_finished=0;
3569         if (lc->sound_conf.ring_sndcard!=NULL){
3570                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3571                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3572         }
3573         return 0;
3574 }
3575
3576 /**
3577  * Sets the path to a wav file used for ringing back.
3578  *
3579  * Ringback means the ring that is heard when it's ringing at the remote party.
3580  * The file must be a wav 16bit linear.
3581  *
3582  * @ingroup media_parameters
3583 **/
3584 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3585         if (lc->sound_conf.remote_ring!=0){
3586                 ms_free(lc->sound_conf.remote_ring);
3587         }
3588         lc->sound_conf.remote_ring=ms_strdup(path);
3589 }
3590
3591 /**
3592  * Returns the path to the wav file used for ringing back.
3593  *
3594  * @ingroup media_parameters
3595 **/
3596 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3597         return lc->sound_conf.remote_ring;
3598 }
3599
3600 /**
3601  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3602  *
3603  * @ingroup media_parameters
3604 **/
3605 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3606         lc->sound_conf.ec=val;
3607         if ( linphone_core_ready(lc))
3608                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3609 }
3610
3611
3612 /**
3613  * Returns TRUE if echo cancellation is enabled.
3614  *
3615  * @ingroup media_parameters
3616 **/
3617 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3618         return lc->sound_conf.ec;
3619 }
3620
3621 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3622         lc->sound_conf.ea=val;
3623 }
3624
3625 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3626         return lc->sound_conf.ea;
3627 }
3628
3629 /**
3630  * Mutes or unmutes the local microphone.
3631  *
3632  * @ingroup media_parameters
3633 **/
3634 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3635         LinphoneCall *call=linphone_core_get_current_call(lc);
3636         AudioStream *st=NULL;
3637         if (linphone_core_is_in_conference(lc)){
3638                 lc->conf_ctx.local_muted=val;
3639                 st=lc->conf_ctx.local_participant;
3640         }else if (call==NULL){
3641                 ms_warning("linphone_core_mute_mic(): No current call !");
3642                 return;
3643         }else{
3644                 st=call->audiostream;
3645                 call->audio_muted=val;
3646         }
3647         if (st!=NULL){
3648                 audio_stream_set_mic_gain(st,
3649                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3650                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3651                         audio_stream_mute_rtp(st,val);
3652                 }
3653
3654         }
3655 }
3656 /**
3657  * Returns whether microphone is muted.
3658 **/
3659 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3660         LinphoneCall *call=linphone_core_get_current_call(lc);
3661         if (linphone_core_is_in_conference(lc)){
3662                 return lc->conf_ctx.local_muted;
3663         }else if (call==NULL){
3664                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3665                 return FALSE;
3666         }
3667         return call->audio_muted;
3668 }
3669
3670 // returns rtp transmission status for an active stream
3671 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3672 // was set on then rtp transmission is also muted
3673 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3674         LinphoneCall *call=linphone_core_get_current_call(lc);
3675         if (call==NULL){
3676                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3677                 return FALSE;
3678         }
3679         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3680                 return call->audio_muted;
3681         }
3682         return FALSE;
3683 }
3684
3685 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3686         lc->sound_conf.agc=val;
3687 }
3688
3689 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3690         return lc->sound_conf.agc;
3691 }
3692
3693 /**
3694  * Send the specified dtmf.
3695  *
3696  * @ingroup media_parameters
3697  * This function only works during calls. The dtmf is automatically played to the user.
3698  * @param lc The LinphoneCore object
3699  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3700  *
3701 **/
3702 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3703 {
3704         LinphoneCall *call=linphone_core_get_current_call(lc);
3705         if (call==NULL){
3706                 ms_warning("linphone_core_send_dtmf(): no active call");
3707                 return;
3708         }
3709         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3710         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3711         {
3712                 /* In Band DTMF */
3713                 if (call->audiostream!=NULL){
3714                         audio_stream_send_dtmf(call->audiostream,dtmf);
3715                 }
3716                 else
3717                 {
3718                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3719                 }
3720         }
3721         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3722                 /* Out of Band DTMF (use INFO method) */
3723                 sal_call_send_dtmf(call->op,dtmf);
3724         }
3725 }
3726
3727 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3728         if (lc->net_conf.stun_server!=NULL)
3729                 ms_free(lc->net_conf.stun_server);
3730         if (server)
3731                 lc->net_conf.stun_server=ms_strdup(server);
3732         else lc->net_conf.stun_server=NULL;
3733         if (linphone_core_ready(lc))
3734                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3735 }
3736
3737 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3738         return lc->net_conf.stun_server;
3739 }
3740
3741 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3742         return lc->net_conf.relay;
3743 }
3744
3745 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3746         if (lc->net_conf.relay!=NULL){
3747                 ms_free(lc->net_conf.relay);
3748                 lc->net_conf.relay=NULL;
3749         }
3750         if (addr){
3751                 lc->net_conf.relay=ms_strdup(addr);
3752         }
3753         return 0;
3754 }
3755
3756 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3757 {
3758         if (lc->net_conf.nat_address!=NULL){
3759                 ms_free(lc->net_conf.nat_address);
3760         }
3761         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3762         else lc->net_conf.nat_address=NULL;
3763         if (lc->sip_conf.contact) update_primary_contact(lc);
3764 }
3765
3766 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3767         return lc->net_conf.nat_address;
3768 }
3769
3770 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3771 {
3772         struct sockaddr_storage ss;
3773         socklen_t ss_len;
3774         int error;
3775         char ipstring [INET6_ADDRSTRLEN];
3776
3777         if (lc->net_conf.nat_address==NULL) return NULL;
3778
3779         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3780                 return lc->net_conf.nat_address;
3781         }
3782
3783         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3784                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3785         if (error) {
3786                 return lc->net_conf.nat_address;
3787         }
3788
3789         if (lc->net_conf.nat_address_ip!=NULL){
3790                 ms_free(lc->net_conf.nat_address_ip);
3791         }
3792         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3793         return lc->net_conf.nat_address_ip;
3794 }
3795
3796 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3797         lc->net_conf.firewall_policy=pol;
3798         if (lc->sip_conf.contact) update_primary_contact(lc);
3799         if (linphone_core_ready(lc))
3800                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3801 }
3802
3803 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3804         return lc->net_conf.firewall_policy;
3805 }
3806
3807 /**
3808  * Get the list of call logs (past calls).
3809  *
3810  * @ingroup call_logs
3811 **/
3812 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3813         return lc->call_logs;
3814 }
3815
3816 /**
3817  * Erase the call log.
3818  *
3819  * @ingroup call_logs
3820 **/
3821 void linphone_core_clear_call_logs(LinphoneCore *lc){
3822         lc->missed_calls=0;
3823         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3824         lc->call_logs=ms_list_free(lc->call_logs);
3825         call_logs_write_to_config_file(lc);
3826 }
3827
3828 /**
3829  * Returns number of missed calls.
3830  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3831 **/
3832 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3833         return lc->missed_calls;
3834 }
3835
3836 /**
3837  * Resets the counter of missed calls.
3838 **/
3839 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3840         lc->missed_calls=0;
3841 }
3842
3843 /**
3844  * Remove a specific call log from call history list.
3845  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3846  * @param lc the linphone core object
3847  * @param a LinphoneCallLog object.
3848 **/
3849 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3850         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3851         call_logs_write_to_config_file(lc);
3852         linphone_call_log_destroy(cl);
3853 }
3854
3855 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3856 #ifdef VIDEO_ENABLED
3857         if (val){
3858                 if (lc->previewstream==NULL){
3859                         lc->previewstream=video_preview_new();
3860                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3861                         if (lc->video_conf.displaytype)
3862                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3863                         if (lc->preview_window_id!=0)
3864                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3865                         video_preview_start(lc->previewstream,lc->video_conf.device);
3866                 }
3867         }else{
3868                 if (lc->previewstream!=NULL){
3869                         video_preview_stop(lc->previewstream);
3870                         lc->previewstream=NULL;
3871                 }
3872         }
3873 #endif
3874 }
3875
3876 /**
3877  * Enables video globally.
3878  *
3879  * @ingroup media_parameters
3880  * This function does not have any effect during calls. It just indicates LinphoneCore to
3881  * initiate future calls with video or not. The two boolean parameters indicate in which
3882  * direction video is enabled. Setting both to false disables video entirely.
3883  *
3884  * @param lc The LinphoneCore object
3885  * @param vcap_enabled indicates whether video capture is enabled
3886  * @param display_enabled indicates whether video display should be shown
3887  *
3888 **/
3889 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3890 #ifndef VIDEO_ENABLED
3891         if (vcap_enabled || display_enabled)
3892                 ms_warning("This version of linphone was built without video support.");
3893 #endif
3894         lc->video_conf.capture=vcap_enabled;
3895         lc->video_conf.display=display_enabled;
3896         if (linphone_core_ready(lc)){
3897                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3898                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3899         }
3900         /* need to re-apply network bandwidth settings*/
3901         linphone_core_set_download_bandwidth(lc,
3902                 linphone_core_get_download_bandwidth(lc));
3903         linphone_core_set_upload_bandwidth(lc,
3904                 linphone_core_get_upload_bandwidth(lc));
3905 }
3906
3907 bool_t linphone_core_video_supported(LinphoneCore *lc){
3908 #ifdef VIDEO_ENABLED
3909         return TRUE;
3910 #else
3911         return FALSE;
3912 #endif
3913 }
3914
3915 /**
3916  * Returns TRUE if video is enabled, FALSE otherwise.
3917  * @ingroup media_parameters
3918 **/
3919 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3920         return (lc->video_conf.display || lc->video_conf.capture);
3921 }
3922
3923 /**
3924  * Sets the default policy for video.
3925  * This policy defines whether:
3926  * - video shall be initiated by default for outgoing calls
3927  * - video shall be accepter by default for incoming calls
3928  * @ingroup media_parameters
3929 **/
3930 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3931         lc->video_policy=*policy;
3932         if (linphone_core_ready(lc)){
3933                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3934                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3935         }
3936 }
3937
3938 /**
3939  * Get the default policy for video.
3940  * See linphone_core_set_video_policy() for more details.
3941  * @ingroup media_parameters
3942 **/
3943 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3944         return &lc->video_policy;
3945 }
3946
3947 /**
3948  * Controls video preview enablement.
3949  *
3950  * @ingroup media_parameters
3951  * Video preview refers to the action of displaying the local webcam image
3952  * to the user while not in call.
3953 **/
3954 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3955         lc->video_conf.show_local=val;
3956         if (linphone_core_ready(lc))
3957                 lp_config_set_int(lc->config,"video","show_local",val);
3958 }
3959
3960 /**
3961  * Returns TRUE if video previewing is enabled.
3962  * @ingroup media_parameters
3963 **/
3964 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3965         return lc->video_conf.show_local;
3966 }
3967
3968 /**
3969  * Enables or disable self view during calls.
3970  *
3971  * @ingroup media_parameters
3972  * Self-view refers to having local webcam image inserted in corner
3973  * of the video window during calls.
3974  * This function works at any time, including during calls.
3975 **/
3976 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3977 #ifdef VIDEO_ENABLED
3978         LinphoneCall *call=linphone_core_get_current_call (lc);
3979         lc->video_conf.selfview=val;
3980         if (call && call->videostream){
3981                 video_stream_enable_self_view(call->videostream,val);
3982         }
3983         if (linphone_core_ready(lc)){
3984                 lp_config_set_int(lc->config,"video","self_view",val);
3985         }
3986 #endif
3987 }
3988
3989 /**
3990  * Returns TRUE if self-view is enabled, FALSE otherwise.
3991  *
3992  * @ingroup media_parameters
3993  *
3994  * Refer to linphone_core_enable_self_view() for details.
3995 **/
3996 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3997         return lc->video_conf.selfview;
3998 }
3999
4000 /**
4001  * Sets the active video device.
4002  *
4003  * @ingroup media_parameters
4004  * @param lc The LinphoneCore object
4005  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4006 **/
4007 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4008         MSWebCam *olddev=lc->video_conf.device;
4009         const char *vd;
4010         if (id!=NULL){
4011                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4012                 if (lc->video_conf.device==NULL){
4013                         ms_warning("Could not found video device %s",id);
4014                 }
4015         }
4016         if (lc->video_conf.device==NULL)
4017                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4018         if (olddev!=NULL && olddev!=lc->video_conf.device){
4019                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4020         }
4021         if ( linphone_core_ready(lc) && lc->video_conf.device){
4022                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4023                 if (vd && strstr(vd,"Static picture")!=NULL){
4024                         vd=NULL;
4025                 }
4026                 lp_config_set_string(lc->config,"video","device",vd);
4027         }
4028         return 0;
4029 }
4030
4031 /**
4032  * Returns the name of the currently active video device.
4033  *
4034  * @param lc The LinphoneCore object
4035  * @ingroup media_parameters
4036 **/
4037 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4038         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4039         return NULL;
4040 }
4041
4042 #ifdef VIDEO_ENABLED
4043 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4044         VideoStream *vs = NULL;
4045         LinphoneCall *call=linphone_core_get_current_call (lc);
4046         /* Select the video stream from the call in the first place */
4047         if (call && call->videostream) {
4048                 vs = call->videostream;
4049         }
4050         /* If not in call, select the video stream from the preview */
4051         if (vs == NULL && lc->previewstream) {
4052                 vs = lc->previewstream;
4053         }
4054         return vs;
4055 }
4056 #endif
4057
4058 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4059 #ifdef VIDEO_ENABLED
4060         VideoStream *vs=get_active_video_stream(lc);
4061         /* If we have a video stream (either preview, either from call), we
4062                  have a source and it is using the static picture filter, then
4063                  force the filter to use that picture. */
4064         if (vs && vs->source) {
4065                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4066                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4067                                                                                                                 (void *)path);
4068                 }
4069         }
4070         /* Tell the static image filter to use that image from now on so
4071                  that the image will be used next time it has to be read */
4072         ms_static_image_set_default_image(path);
4073 #else
4074         ms_warning("Video support not compiled.");
4075 #endif
4076         return 0;
4077 }
4078
4079 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4080 #ifdef VIDEO_ENABLED
4081         VideoStream *vs = NULL;
4082
4083         vs=get_active_video_stream(lc);
4084
4085         /* If we have a video stream (either preview, either from call), we
4086                  have a source and it is using the static picture filter, then
4087                  force the filter to use that picture. */
4088         if (vs && vs->source) {
4089                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4090                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4091                 }
4092         }
4093 #else
4094         ms_warning("Video support not compiled.");
4095 #endif
4096         return 0;
4097 }
4098
4099 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4100 #ifdef VIDEO_ENABLED
4101         VideoStream *vs = NULL;
4102         vs=get_active_video_stream(lc);
4103         /* If we have a video stream (either preview, either from call), we
4104                  have a source and it is using the static picture filter, then
4105                  force the filter to use that picture. */
4106         if (vs && vs->source) {
4107                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4108
4109                         float fps;
4110
4111                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4112                         return fps;
4113                 }
4114         }
4115 #else
4116         ms_warning("Video support not compiled.");
4117 #endif
4118         return 0;
4119 }
4120
4121 /**
4122  * Returns the native window handle of the video window, casted as an unsigned long.
4123  *
4124  * @ingroup media_parameters
4125 **/
4126 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4127 #ifdef VIDEO_ENABLED
4128         LinphoneCall *call=linphone_core_get_current_call (lc);
4129         if (call && call->videostream)
4130                 return video_stream_get_native_window_id(call->videostream);
4131         if (lc->previewstream)
4132                 return video_stream_get_native_window_id(lc->previewstream);
4133 #endif
4134         return lc->video_window_id;
4135 }
4136
4137 /**@ingroup media_parameters
4138  * Set the native video window id where the video is to be displayed.
4139  * If not set the core will create its own window.
4140 **/
4141 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4142 #ifdef VIDEO_ENABLED
4143         LinphoneCall *call=linphone_core_get_current_call(lc);
4144         lc->video_window_id=id;
4145         if (call!=NULL && call->videostream){
4146                 video_stream_set_native_window_id(call->videostream,id);
4147         }
4148 #endif
4149 }
4150
4151 /**
4152  * Returns the native window handle of the video preview window, casted as an unsigned long.
4153  *
4154  * @ingroup media_parameters
4155 **/
4156 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4157 #ifdef VIDEO_ENABLED
4158         LinphoneCall *call=linphone_core_get_current_call (lc);
4159         if (call && call->videostream)
4160                 return video_stream_get_native_preview_window_id(call->videostream);
4161         if (lc->previewstream)
4162                 return video_preview_get_native_window_id(lc->previewstream);
4163 #endif
4164         return lc->preview_window_id;
4165 }
4166
4167 /**
4168  * @ingroup media_parameters
4169  * Set the native window id where the preview video (local camera) is to be displayed.
4170  * This has to be used in conjonction with linphone_core_use_preview_window().
4171  * If not set the core will create its own window.
4172 **/
4173 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4174         lc->preview_window_id=id;
4175 #ifdef VIDEO_ENABLED
4176         LinphoneCall *call=linphone_core_get_current_call(lc);
4177         if (call!=NULL && call->videostream){
4178                 video_stream_set_native_preview_window_id(call->videostream,id);
4179         }else if (lc->previewstream){
4180                 video_preview_set_native_window_id(lc->previewstream,id);
4181         }
4182 #endif
4183 }
4184
4185 /**
4186  * Can be used to disable video showing to free XV port
4187 **/
4188 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4189 #ifdef VIDEO_ENABLED
4190         ms_error("linphone_core_show_video %d", show);
4191         LinphoneCall *call=linphone_core_get_current_call(lc);
4192         if (call!=NULL && call->videostream){
4193                 video_stream_show_video(call->videostream,show);
4194         }
4195 #endif
4196 }
4197
4198 /**
4199  * Tells the core to use a separate window for local camera preview video, instead of
4200  * inserting local view within the remote video window.
4201  *
4202 **/
4203 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4204         lc->use_preview_window=yesno;
4205 }
4206 /**
4207  * @ingroup media_parameters
4208  *returns current device orientation
4209  */
4210 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4211         return lc->device_rotation;
4212 }
4213 /**
4214  * @ingroup media_parameters
4215  * Tells the core the device current orientation. This can be used by capture filters
4216  * on mobile devices to select between portrait/landscape mode and to produce properly
4217  * oriented images. The exact meaning of the value in rotation if left to each device
4218  * specific implementations.
4219  *@param lc  object.
4220  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4221  *
4222 **/
4223 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4224 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4225         lc->device_rotation = rotation;
4226 #ifdef VIDEO_ENABLED
4227         LinphoneCall *call=linphone_core_get_current_call(lc);
4228         if (call!=NULL && call->videostream){
4229                 video_stream_set_device_rotation(call->videostream,rotation);
4230         }
4231 #endif
4232 }
4233
4234 static MSVideoSizeDef supported_resolutions[]={
4235 #ifdef ENABLE_HD
4236         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4237         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4238 #endif
4239         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4240         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4241         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4242         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4243         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4244         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4245         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4246         {       {0,0}                   ,       NULL    }
4247 };
4248
4249 /**
4250  * Returns the zero terminated table of supported video resolutions.
4251  *
4252  * @ingroup media_parameters
4253 **/
4254 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4255         return supported_resolutions;
4256 }
4257
4258 static MSVideoSize video_size_get_by_name(const char *name){
4259         MSVideoSizeDef *pdef=supported_resolutions;
4260         MSVideoSize null_vsize={0,0};
4261         for(;pdef->name!=NULL;pdef++){
4262                 if (strcasecmp(name,pdef->name)==0){
4263                         return pdef->vsize;
4264                 }
4265         }
4266         ms_warning("Video resolution %s is not supported in linphone.",name);
4267         return null_vsize;
4268 }
4269
4270 static const char *video_size_get_name(MSVideoSize vsize){
4271         MSVideoSizeDef *pdef=supported_resolutions;
4272         for(;pdef->name!=NULL;pdef++){
4273                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4274                         return pdef->name;
4275                 }
4276         }
4277         return NULL;
4278 }
4279
4280 static bool_t video_size_supported(MSVideoSize vsize){
4281         if (video_size_get_name(vsize)) return TRUE;
4282         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4283         return FALSE;
4284 }
4285
4286 /**
4287  * Sets the preferred video size.
4288  *
4289  * @ingroup media_parameters
4290  * This applies only to the stream that is captured and sent to the remote party,
4291  * since we accept all standard video size on the receive path.
4292 **/
4293 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4294         if (video_size_supported(vsize)){
4295                 MSVideoSize oldvsize=lc->video_conf.vsize;
4296                 lc->video_conf.vsize=vsize;
4297                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4298                         toggle_video_preview(lc,FALSE);
4299                         toggle_video_preview(lc,TRUE);
4300                 }
4301                 if ( linphone_core_ready(lc))
4302                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4303         }
4304 }
4305
4306 /**
4307  * Sets the preferred video size by its name.
4308  *
4309  * @ingroup media_parameters
4310  * This is identical to linphone_core_set_preferred_video_size() except
4311  * that it takes the name of the video resolution as input.
4312  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4313 **/
4314 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4315         MSVideoSize vsize=video_size_get_by_name(name);
4316         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4317         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4318         else linphone_core_set_preferred_video_size(lc,default_vsize);
4319 }
4320
4321 /**
4322  * Returns the current preferred video size for sending.
4323  *
4324  * @ingroup media_parameters
4325 **/
4326 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4327         return lc->video_conf.vsize;
4328 }
4329
4330 /**
4331  * Ask the core to stream audio from and to files, instead of using the soundcard.
4332 **/
4333 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4334         lc->use_files=yesno;
4335 }
4336
4337 /**
4338  * Sets a wav file to be played when putting somebody on hold,
4339  * or when files are used instead of soundcards (see linphone_core_use_files()).
4340  *
4341  * The file must be a 16 bit linear wav file.
4342 **/
4343 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4344         LinphoneCall *call=linphone_core_get_current_call(lc);
4345         if (lc->play_file!=NULL){
4346                 ms_free(lc->play_file);
4347                 lc->play_file=NULL;
4348         }
4349         if (file!=NULL) {
4350                 lc->play_file=ms_strdup(file);
4351                 if (call && call->audiostream && call->audiostream->ticker)
4352                         audio_stream_play(call->audiostream,file);
4353         }
4354 }
4355
4356
4357 /**
4358  * Sets a wav file where incoming stream is to be recorded,
4359  * when files are used instead of soundcards (see linphone_core_use_files()).
4360  *
4361  * The file must be a 16 bit linear wav file.
4362 **/
4363 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4364         LinphoneCall *call=linphone_core_get_current_call(lc);
4365         if (lc->rec_file!=NULL){
4366                 ms_free(lc->rec_file);
4367                 lc->rec_file=NULL;
4368         }
4369         if (file!=NULL) {
4370                 lc->rec_file=ms_strdup(file);
4371                 if (call && call->audiostream)
4372                         audio_stream_record(call->audiostream,file);
4373         }
4374 }
4375
4376
4377 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4378         LinphoneCall *call=linphone_core_get_current_call (lc);
4379         AudioStream *stream=NULL;
4380         if (call){
4381                 stream=call->audiostream;
4382         }else if (linphone_core_is_in_conference(lc)){
4383                 stream=lc->conf_ctx.local_participant;
4384         }
4385         if (stream){
4386                 return stream->dtmfgen;
4387         }
4388         if (lc->ringstream==NULL){
4389                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4390                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4391                 if (ringcard == NULL)
4392                         return NULL;
4393
4394                 lc->ringstream=ring_start(NULL,0,ringcard);
4395                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4396                 lc->dmfs_playing_start_time=time(NULL);
4397         }else{
4398                 if (lc->dmfs_playing_start_time!=0)
4399                         lc->dmfs_playing_start_time=time(NULL);
4400         }
4401         return lc->ringstream->gendtmf;
4402 }
4403
4404 /**
4405  * @ingroup media_parameters
4406  * Plays a dtmf sound to the local user.
4407  * @param lc #LinphoneCore
4408  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4409  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4410 **/
4411 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4412         MSFilter *f=get_dtmf_gen(lc);
4413         if (f==NULL){
4414                 ms_error("No dtmf generator at this time !");
4415                 return;
4416         }
4417
4418         if (duration_ms>0)
4419                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4420         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4421 }
4422
4423 /**
4424  * @ingroup media_parameters
4425  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4426  * @param lc #LinphoneCore
4427 **/
4428 void linphone_core_play_tone(LinphoneCore *lc){
4429         MSFilter *f=get_dtmf_gen(lc);
4430         MSDtmfGenCustomTone def;
4431         if (f==NULL){
4432                 ms_error("No dtmf generator at this time !");
4433                 return;
4434         }
4435         def.duration=300;
4436         def.frequency=500;
4437         def.amplitude=1;
4438         def.interval=2000;
4439         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4440 }
4441
4442 /**
4443  * @ingroup media_parameters
4444  *
4445  * Stops playing a dtmf started by linphone_core_play_dtmf().
4446 **/
4447 void linphone_core_stop_dtmf(LinphoneCore *lc){
4448         MSFilter *f=get_dtmf_gen(lc);
4449         if (f!=NULL)
4450                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4451 }
4452
4453
4454
4455 /**
4456  * Retrieves the user pointer that was given to linphone_core_new()
4457  *
4458  * @ingroup initializing
4459 **/
4460 void *linphone_core_get_user_data(LinphoneCore *lc){
4461         return lc->data;
4462 }
4463
4464 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4465         lc->data=userdata;
4466 }
4467
4468 int linphone_core_get_mtu(const LinphoneCore *lc){
4469         return lc->net_conf.mtu;
4470 }
4471
4472 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4473         lc->net_conf.mtu=mtu;
4474         if (mtu>0){
4475                 if (mtu<500){
4476                         ms_error("MTU too small !");
4477                         mtu=500;
4478                 }
4479                 ms_set_mtu(mtu);
4480                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4481         }else ms_set_mtu(0);//use mediastreamer2 default value
4482 }
4483
4484 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4485         lc->wait_cb=cb;
4486         lc->wait_ctx=user_context;
4487 }
4488
4489 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4490         if (lc->wait_cb){
4491                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4492         }
4493 }
4494
4495 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4496         if (lc->wait_cb){
4497                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4498         }else{
4499 #ifdef WIN32
4500                 Sleep(50000);
4501 #else
4502                 usleep(50000);
4503 #endif
4504         }
4505 }
4506
4507 void linphone_core_stop_waiting(LinphoneCore *lc){
4508         if (lc->wait_cb){
4509                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4510         }
4511 }
4512
4513 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4514         lc->rtptf=factories;
4515 }
4516
4517 /**
4518  * Retrieve RTP statistics regarding current call.
4519  * @param local RTP statistics computed locally.
4520  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4521  *
4522  * @note Remote RTP statistics is not implemented yet.
4523  *
4524  * @returns 0 or -1 if no call is running.
4525 **/
4526
4527 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4528         LinphoneCall *call=linphone_core_get_current_call (lc);
4529         if (call!=NULL){
4530                 if (call->audiostream!=NULL){
4531                         memset(remote,0,sizeof(*remote));
4532                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4533                         return 0;
4534                 }
4535         }
4536         return -1;
4537 }
4538
4539 void net_config_uninit(LinphoneCore *lc)
4540 {
4541         net_config_t *config=&lc->net_conf;
4542
4543         if (config->stun_server!=NULL){
4544                 ms_free(lc->net_conf.stun_server);
4545         }
4546         if (config->nat_address!=NULL){
4547                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4548                 ms_free(lc->net_conf.nat_address);
4549         }
4550         if (lc->net_conf.nat_address_ip !=NULL){
4551                 ms_free(lc->net_conf.nat_address_ip);
4552         }
4553         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4554 }
4555
4556
4557 void sip_config_uninit(LinphoneCore *lc)
4558 {
4559         MSList *elem;
4560         int i;
4561         sip_config_t *config=&lc->sip_conf;
4562
4563         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4564         lp_config_set_string(lc->config,"sip","contact",config->contact);
4565         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4566         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4567         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4568         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4569         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4570
4571
4572
4573
4574         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4575                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4576                 linphone_proxy_config_edit(cfg);        /* to unregister */
4577         }
4578
4579         for (i=0;i<20;i++){
4580                 sal_iterate(lc->sal);
4581 #ifndef WIN32
4582                 usleep(100000);
4583 #else
4584                 Sleep(100);
4585 #endif
4586         }
4587
4588         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4589         ms_list_free(config->proxies);
4590         config->proxies=NULL;
4591
4592         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4593
4594         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4595         ms_list_free(lc->auth_info);
4596         lc->auth_info=NULL;
4597
4598         sal_uninit(lc->sal);
4599         lc->sal=NULL;
4600
4601         if (lc->sip_conf.guessed_contact)
4602                 ms_free(lc->sip_conf.guessed_contact);
4603         if (config->contact)
4604                 ms_free(config->contact);
4605
4606 }
4607
4608 void rtp_config_uninit(LinphoneCore *lc)
4609 {
4610         rtp_config_t *config=&lc->rtp_conf;
4611         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4612                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4613         } else {
4614                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4615         }
4616         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4617                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4618         } else {
4619                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4620         }
4621         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4622         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4623         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4624         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4625         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4626 }
4627
4628 static void sound_config_uninit(LinphoneCore *lc)
4629 {
4630         sound_config_t *config=&lc->sound_conf;
4631         ms_free(config->cards);
4632
4633         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4634
4635         if (config->local_ring) ms_free(config->local_ring);
4636         if (config->remote_ring) ms_free(config->remote_ring);
4637         ms_snd_card_manager_destroy();
4638 }
4639
4640 static void video_config_uninit(LinphoneCore *lc)
4641 {
4642         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4643         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4644         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4645         if (lc->video_conf.cams)
4646                 ms_free(lc->video_conf.cams);
4647 }
4648
4649 void _linphone_core_codec_config_write(LinphoneCore *lc){
4650         if (linphone_core_ready(lc)){
4651                 PayloadType *pt;
4652                 codecs_config_t *config=&lc->codecs_conf;
4653                 MSList *node;
4654                 char key[50];
4655                 int index;
4656                 index=0;
4657                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4658                         pt=(PayloadType*)(node->data);
4659                         sprintf(key,"audio_codec_%i",index);
4660                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4661                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4662                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4663                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4664                         index++;
4665                 }
4666                 sprintf(key,"audio_codec_%i",index);
4667                 lp_config_clean_section (lc->config,key);
4668
4669                 index=0;
4670                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4671                         pt=(PayloadType*)(node->data);
4672                         sprintf(key,"video_codec_%i",index);
4673                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4674                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4675                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4676                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4677                         index++;
4678                 }
4679                 sprintf(key,"video_codec_%i",index);
4680                 lp_config_clean_section (lc->config,key);
4681         }
4682 }
4683
4684 static void codecs_config_uninit(LinphoneCore *lc)
4685 {
4686         _linphone_core_codec_config_write(lc);
4687         ms_list_free(lc->codecs_conf.audio_codecs);
4688         ms_list_free(lc->codecs_conf.video_codecs);
4689 }
4690
4691 void ui_config_uninit(LinphoneCore* lc)
4692 {
4693         if (lc->friends){
4694                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4695                 ms_list_free(lc->friends);
4696                 lc->friends=NULL;
4697         }
4698 }
4699
4700 /**
4701  * Returns the LpConfig object used to manage the storage (config) file.
4702  *
4703  * @ingroup misc
4704  * The application can use the LpConfig object to insert its own private
4705  * sections and pairs of key=value in the configuration file.
4706  *
4707 **/
4708 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4709         return lc->config;
4710 }
4711
4712 static void linphone_core_uninit(LinphoneCore *lc)
4713 {
4714         linphone_core_free_hooks(lc);
4715         while(lc->calls)
4716         {
4717                 LinphoneCall *the_call = lc->calls->data;
4718                 linphone_core_terminate_call(lc,the_call);
4719                 linphone_core_iterate(lc);
4720 #ifdef WIN32
4721                 Sleep(50000);
4722 #else
4723                 usleep(50000);
4724 #endif
4725         }
4726         if (lc->friends)
4727                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4728         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4729 #ifdef VIDEO_ENABLED
4730         if (lc->previewstream!=NULL){
4731                 video_preview_stop(lc->previewstream);
4732                 lc->previewstream=NULL;
4733         }
4734 #endif
4735         ms_event_queue_destroy(lc->msevq);
4736         lc->msevq=NULL;
4737         /* save all config */
4738         net_config_uninit(lc);
4739         rtp_config_uninit(lc);
4740         if (lc->ringstream) ring_stop(lc->ringstream);
4741         sound_config_uninit(lc);
4742         video_config_uninit(lc);
4743         codecs_config_uninit(lc);
4744         ui_config_uninit(lc);
4745         sip_config_uninit(lc);
4746         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4747         lp_config_destroy(lc->config);
4748         lc->config = NULL; /* Mark the config as NULL to block further calls */
4749         sip_setup_unregister_all();
4750
4751         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4752         lc->call_logs=ms_list_free(lc->call_logs);
4753
4754         linphone_core_free_payload_types(lc);
4755         ortp_exit();
4756         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4757 #ifdef TUNNEL_ENABLED
4758         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4759 #endif
4760 }
4761
4762 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4763         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4764         // second get the list of available proxies
4765         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4766         for(;elem!=NULL;elem=elem->next){
4767                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4768                 if (linphone_proxy_config_register_enabled(cfg) ) {
4769                         if (!isReachable) {
4770                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4771                         }else{
4772                                 cfg->commit=TRUE;
4773                         }
4774                 }
4775         }
4776         lc->netup_time=curtime;
4777         lc->network_reachable=isReachable;
4778         if(!isReachable) {
4779                 sal_reset_transports(lc->sal);
4780         }
4781 }
4782
4783 void linphone_core_refresh_registers(LinphoneCore* lc) {
4784         const MSList *elem;
4785         if (!lc->network_reachable) {
4786                 ms_warning("Refresh register operation not available (network unreachable)");
4787                 return;
4788         }
4789         elem=linphone_core_get_proxy_config_list(lc);
4790         for(;elem!=NULL;elem=elem->next){
4791                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4792                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4793                         linphone_proxy_config_refresh_register(cfg);
4794                 }
4795         }
4796 }
4797
4798 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4799         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4800         for(;elem!=NULL;elem=elem->next){
4801                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4802                 if (linphone_proxy_config_register_enabled(cfg)) {
4803                         linphone_proxy_config_edit(cfg);
4804                         linphone_proxy_config_done(cfg);
4805                 }
4806         }
4807 }
4808
4809 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4810         //first disable automatic mode
4811         if (lc->auto_net_state_mon) {
4812                 ms_message("Disabling automatic network state monitoring");
4813                 lc->auto_net_state_mon=FALSE;
4814         }
4815         set_network_reachable(lc,isReachable, ms_time(NULL));
4816 }
4817
4818 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4819         return lc->network_reachable;
4820 }
4821 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4822         return sal_get_socket(lc->sal);
4823 }
4824 /**
4825  * Destroys a LinphoneCore
4826  *
4827  * @ingroup initializing
4828 **/
4829 void linphone_core_destroy(LinphoneCore *lc){
4830         linphone_core_uninit(lc);
4831         ms_free(lc);
4832 }
4833 /**
4834  * Get the number of Call
4835  *
4836  * @ingroup call_control
4837 **/
4838 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4839         return  ms_list_size(lc->calls);;
4840 }
4841
4842 /**
4843  * Check if we do not have exceed the number of simultaneous call
4844  *
4845  * @ingroup call_control
4846 **/
4847 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4848 {
4849         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4850                 return TRUE;
4851         ms_message("Maximum amount of simultaneous calls reached !");
4852         return FALSE;
4853 }
4854
4855
4856 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4857 {
4858         if(linphone_core_can_we_add_call(lc))
4859         {
4860                 lc->calls = ms_list_append(lc->calls,call);
4861                 return 0;
4862         }
4863         return -1;
4864 }
4865
4866 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4867 {
4868         MSList *it;
4869         MSList *the_calls = lc->calls;
4870
4871         it=ms_list_find(the_calls,call);
4872         if (it)
4873         {
4874                 the_calls = ms_list_remove_link(the_calls,it);
4875         }
4876         else
4877         {
4878                 ms_warning("could not find the call into the list\n");
4879                 return -1;
4880         }
4881         lc->calls = the_calls;
4882         return 0;
4883 }
4884
4885 /**
4886  * Specifiies a ring back tone to be played to far end during incoming calls.
4887 **/
4888 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4889         if (lc->sound_conf.ringback_tone){
4890                 ms_free(lc->sound_conf.ringback_tone);
4891                 lc->sound_conf.ringback_tone=NULL;
4892         }
4893         if (file)
4894                 lc->sound_conf.ringback_tone=ms_strdup(file);
4895 }
4896
4897 /**
4898  * Returns the ring back tone played to far end during incoming calls.
4899 **/
4900 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4901         return lc->sound_conf.ringback_tone;
4902 }
4903
4904 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
4905         const MSList *elem;
4906         for(elem=from;elem!=NULL;elem=elem->next){
4907                 PayloadType *pt=(PayloadType*)elem->data;
4908                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
4909                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
4910                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
4911                         return pt;
4912                 }
4913         }
4914         return NULL;
4915 }
4916
4917
4918 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
4919         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
4920         if (result)  {
4921                 return result;
4922         } else {
4923                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
4924                 if (result) {
4925                         return result;
4926                 }
4927         }
4928         /*not found*/
4929         return NULL;
4930 }
4931
4932 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4933         switch(gs){
4934                 case LinphoneGlobalOff:
4935                         return "LinphoneGlobalOff";
4936                 break;
4937                 case LinphoneGlobalOn:
4938                         return "LinphoneGlobalOn";
4939                 break;
4940                 case LinphoneGlobalStartup:
4941                         return "LinphoneGlobalStartup";
4942                 break;
4943                 case LinphoneGlobalShutdown:
4944                         return "LinphoneGlobalShutdown";
4945                 break;
4946         }
4947         return NULL;
4948 }
4949
4950 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4951         return lc->state;
4952 }
4953
4954 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4955         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4956         linphone_core_init_default_params(lc, p);
4957         return p;
4958 }
4959
4960 const char *linphone_reason_to_string(LinphoneReason err){
4961         switch(err){
4962                 case LinphoneReasonNone:
4963                         return "No error";
4964                 case LinphoneReasonNoResponse:
4965                         return "No response";
4966                 case LinphoneReasonBadCredentials:
4967                         return "Bad credentials";
4968                 case LinphoneReasonDeclined:
4969                         return "Call declined";
4970                 case LinphoneReasonNotFound:
4971                         return "User not found";
4972                 case LinphoneReasonNotAnswered:
4973                         return "Not answered";
4974         }
4975         return "unknown error";
4976 }
4977
4978 const char *linphone_error_to_string(LinphoneReason err){
4979         return linphone_reason_to_string(err);
4980 }
4981 /**
4982  * Enables signaling keep alive
4983  */
4984 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4985         if (enable > 0) {
4986                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4987         } else {
4988                 sal_set_keepalive_period(lc->sal,0);
4989         }
4990 }
4991 /**
4992  * Is signaling keep alive enabled
4993  */
4994 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4995         return sal_get_keepalive_period(lc->sal) > 0;
4996 }
4997
4998 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4999         get_dtmf_gen(lc); /*make sure ring stream is started*/
5000         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5001 }
5002
5003 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5004         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5005                 ring_stop(lc->ringstream);
5006                 lc->ringstream=NULL;
5007         }
5008 }
5009
5010 int linphone_core_get_max_calls(LinphoneCore *lc) {
5011         return lc->max_calls;
5012 }
5013 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5014         lc->max_calls=max;
5015 }
5016
5017 typedef struct Hook{
5018         LinphoneCoreIterateHook fun;
5019         void *data;
5020 }Hook;
5021
5022 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5023         Hook *h=ms_new(Hook,1);
5024         h->fun=hook;
5025         h->data=hook_data;
5026         return h;
5027 }
5028
5029 static void hook_invoke(Hook *h){
5030         h->fun(h->data);
5031 }
5032
5033 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5034         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5035 }
5036
5037 static void linphone_core_run_hooks(LinphoneCore *lc){
5038         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5039 }
5040
5041 static void linphone_core_free_hooks(LinphoneCore *lc){
5042         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5043         ms_list_free(lc->hooks);
5044         lc->hooks=NULL;
5045 }
5046
5047 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5048         MSList *elem;
5049         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5050                 Hook *h=(Hook*)elem->data;
5051                 if (h->fun==hook && h->data==hook_data){
5052                         ms_list_remove_link(lc->hooks,elem);
5053                         ms_free(h);
5054                         return;
5055                 }
5056         }
5057         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5058 }
5059
5060 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5061         if (lc->zrtp_secrets_cache != NULL) {
5062                 ms_free(lc->zrtp_secrets_cache);
5063         }
5064         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5065 }
5066
5067 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5068         if (uri == NULL) return NULL;
5069         MSList *calls=lc->calls;
5070         while(calls) {
5071                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5072                 calls=calls->next;
5073                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5074                 char *current_uri=linphone_address_as_string_uri_only(address);
5075                 if (strcmp(uri,current_uri)==0) {
5076                         ms_free(current_uri);
5077                         return c;
5078                 } else {
5079                         ms_free(current_uri);
5080                 }
5081         }
5082         return NULL;
5083 }
5084
5085
5086 /**
5087  * Check if a call will need the sound resources.
5088  *
5089  * @ingroup call_control
5090  * @param lc The LinphoneCore
5091 **/
5092 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5093         MSList *calls=lc->calls;
5094         while(calls) {
5095                 LinphoneCall *c=(LinphoneCall*)calls->data;
5096                 calls=calls->next;
5097                 switch (c->state) {
5098                         case LinphoneCallOutgoingInit:
5099                         case LinphoneCallOutgoingProgress:
5100                         case LinphoneCallOutgoingRinging:
5101                         case LinphoneCallOutgoingEarlyMedia:
5102                         case LinphoneCallConnected:
5103                         case LinphoneCallRefered:
5104                         case LinphoneCallIncomingEarlyMedia:
5105                         case LinphoneCallUpdating:
5106                                 return TRUE;
5107                         default:
5108                                 break;
5109                 }
5110         }
5111         return FALSE;
5112 }
5113
5114 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5115         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5116 }
5117
5118 /**
5119  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5120 **/
5121 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5122         switch(menc){
5123                 case LinphoneMediaEncryptionSRTP:
5124                         return ortp_srtp_supported();
5125                 case LinphoneMediaEncryptionZRTP:
5126                         return ortp_zrtp_available();
5127                 case LinphoneMediaEncryptionNone:
5128                         return TRUE;
5129         }
5130         return FALSE;
5131 }
5132
5133 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5134         const char *type="none";
5135         int ret=0;
5136         if (menc == LinphoneMediaEncryptionSRTP){
5137                 if (!ortp_srtp_supported()){
5138                         ms_warning("SRTP not supported by library.");
5139                         type="none";
5140                         ret=-1;
5141                 }else type="srtp";
5142         }else if (menc == LinphoneMediaEncryptionZRTP){
5143                 if (!ortp_zrtp_available()){
5144                         ms_warning("ZRTP not supported by library.");
5145                         type="none";
5146                         ret=-1;
5147                 }else type="zrtp";
5148         }
5149         lp_config_set_string(lc->config,"sip","media_encryption",type);
5150         return ret;
5151 }
5152
5153 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5154         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5155
5156         if (menc == NULL)
5157                 return LinphoneMediaEncryptionNone;
5158         else if (strcmp(menc, "srtp")==0)
5159                 return LinphoneMediaEncryptionSRTP;
5160         else if (strcmp(menc, "zrtp")==0)
5161                 return LinphoneMediaEncryptionZRTP;
5162         else
5163                 return LinphoneMediaEncryptionNone;
5164 }
5165
5166 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5167         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5168 }
5169
5170 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5171         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5172 }
5173
5174 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5175         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5176         params->media_encryption=linphone_core_get_media_encryption(lc);
5177         params->in_conference=FALSE;
5178 }
5179
5180 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
5181         VideoStream* vstream = call->videostream;
5182         if (vstream) {
5183                 float zoom[3];
5184
5185                 if (zoom_factor < 1)
5186                         zoom_factor = 1;
5187                 float halfsize = 0.5 * 1.0 / zoom_factor;
5188
5189                 if ((*cx - halfsize) < 0)
5190                         *cx = 0 + halfsize;
5191                 if ((*cx + halfsize) > 1)
5192                         *cx = 1 - halfsize;
5193                 if ((*cy - halfsize) < 0)
5194                         *cy = 0 + halfsize;
5195                 if ((*cy + halfsize) > 1)
5196                         *cy = 1 - halfsize;
5197
5198                 zoom[0] = zoom_factor;
5199                 zoom[1] = *cx;
5200                 zoom[2] = *cy;
5201                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
5202         }else ms_warning("Could not apply zoom: video output wasn't activated.");
5203 }
5204
5205 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5206         if (lc->device_id) ms_free(lc->device_id);
5207         lc->device_id=ms_strdup(device_id);
5208 }
5209 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5210         return lc->device_id;
5211 }
5212
5213 /**
5214  * Set the DSCP field for SIP signaling channel.
5215  *
5216  * @ingroup network_parameters
5217  * * The DSCP defines the quality of service in IP packets.
5218  *
5219 **/
5220 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5221         sal_set_dscp(lc->sal,dscp);
5222         if (linphone_core_ready(lc))
5223                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5224 }
5225
5226 /**
5227  * Get the DSCP field for SIP signaling channel.
5228  *
5229  * @ingroup network_parameters
5230  * * The DSCP defines the quality of service in IP packets.
5231  *
5232 **/
5233 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5234         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5235 }
5236
5237 /**
5238  * Set the DSCP field for outgoing audio streams.
5239  *
5240  * @ingroup network_parameters
5241  * The DSCP defines the quality of service in IP packets.
5242  *
5243 **/
5244 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5245         if (linphone_core_ready(lc))
5246                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5247 }
5248
5249 /**
5250  * Get the DSCP field for outgoing audio streams.
5251  *
5252  * @ingroup network_parameters
5253  * The DSCP defines the quality of service in IP packets.
5254  *
5255 **/
5256 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5257         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5258 }
5259
5260 /**
5261  * Set the DSCP field for outgoing video streams.
5262  *
5263  * @ingroup network_parameters
5264  * The DSCP defines the quality of service in IP packets.
5265  *
5266 **/
5267 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5268         if (linphone_core_ready(lc))
5269                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5270
5271 }
5272
5273 /**
5274  * Get the DSCP field for outgoing video streams.
5275  *
5276  * @ingroup network_parameters
5277  * The DSCP defines the quality of service in IP packets.
5278  *
5279 **/
5280 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5281         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5282 }