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