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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 #include "liblinphone_gitversion.h"
  46
  47 /*#define UNSTANDART_GSM_11K 1*/
  48
  49 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  50
  51 static const char *liblinphone_version=
  52 #ifdef LIBLINPHONE_GIT_VERSION
  53         LIBLINPHONE_GIT_VERSION
  54 #else
  55         LIBLINPHONE_VERSION
  56 #endif
  57 ;
  58 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  59 static void linphone_core_run_hooks(LinphoneCore *lc);
  60 static void linphone_core_free_hooks(LinphoneCore *lc);
  61
  62 #include "enum.h"
  63 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  64 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  65 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  66
  67 /* relative path where is stored local ring*/
  68 #define LOCAL_RING "rings/oldphone.wav"
  69 /* same for remote ring (ringback)*/
  70 #define REMOTE_RING "ringback.wav"
  71 #define HOLD_MUSIC "rings/toy-mono.wav"
  72
  73
  74 extern SalCallbacks linphone_sal_callbacks;
  75
  76 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  77 {
  78   obj->_func=func;
  79   obj->_user_data=ud;
  80 }
  81
  82 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  83         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  84         return 0;
  85 }
  86
  87
  88 /*prevent a gcc bug with %c*/
  89 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  90 #if !defined(_WIN32_WCE)
  91         return strftime(s, max, fmt, tm);
  92 #else
  93         return 0;
  94         /*FIXME*/
  95 #endif /*_WIN32_WCE*/
  96 }
  97
  98 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  99         struct tm loctime;
 100 #ifdef WIN32
 101 #if !defined(_WIN32_WCE)
 102         loctime=*localtime(&start_time);
 103         /*FIXME*/
 104 #endif /*_WIN32_WCE*/
 105 #else
 106         localtime_r(&start_time,&loctime);
 107 #endif
 108         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 109 }
 110
 111 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 112         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 113         cl->dir=call->dir;
 114         cl->start_date_time=call->start_time;
 115         set_call_log_date(cl,cl->start_date_time);
 116         cl->from=from;
 117         cl->to=to;
 118     cl->status=LinphoneCallAborted; /*default status*/
 119         return cl;
 120 }
 121
 122 void call_logs_write_to_config_file(LinphoneCore *lc){
 123         MSList *elem;
 124         char logsection[32];
 125         int i;
 126         char *tmp;
 127         LpConfig *cfg=lc->config;
 128
 129         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 130
 131         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 132                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 133                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 134                 lp_config_clean_section(cfg,logsection);
 135                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 136                 lp_config_set_int(cfg,logsection,"status",cl->status);
 137                 tmp=linphone_address_as_string(cl->from);
 138                 lp_config_set_string(cfg,logsection,"from",tmp);
 139                 ms_free(tmp);
 140                 tmp=linphone_address_as_string(cl->to);
 141                 lp_config_set_string(cfg,logsection,"to",tmp);
 142                 ms_free(tmp);
 143                 if (cl->start_date_time)
 144                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 145                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 146                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 147                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 148                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 149                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 150                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 151         }
 152         for(;i<lc->max_call_logs;++i){
 153                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 154                 lp_config_clean_section(cfg,logsection);
 155         }
 156 }
 157
 158 static time_t string_to_time(const char *date){
 159 #ifndef WIN32
 160         struct tm tmtime={0};
 161         strptime(date,"%c",&tmtime);
 162         return mktime(&tmtime);
 163 #else
 164         return 0;
 165 #endif
 166 }
 167
 168 static void call_logs_read_from_config_file(LinphoneCore *lc){
 169         char logsection[32];
 170         int i;
 171         const char *tmp;
 172         uint64_t sec;
 173         LpConfig *cfg=lc->config;
 174         for(i=0;;++i){
 175                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 176                 if (lp_config_has_section(cfg,logsection)){
 177                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 178                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 179                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 180                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 181                         if (tmp) cl->from=linphone_address_new(tmp);
 182                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 183                         if (tmp) cl->to=linphone_address_new(tmp);
 184                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 185                         if (sec) {
 186                                 /*new call log format with date expressed in seconds */
 187                                 cl->start_date_time=(time_t)sec;
 188                                 set_call_log_date(cl,cl->start_date_time);
 189                         }else{
 190                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 191                                 if (tmp) {
 192                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 193                                         cl->start_date_time=string_to_time(cl->start_date);
 194                                 }
 195                         }
 196                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 197                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 198                         if (tmp) cl->refkey=ms_strdup(tmp);
 199                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 200                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 201                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 202                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 203                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 204                 }else break;
 205         }
 206 }
 207
 208
 209
 210 /**
 211  * @addtogroup call_logs
 212  * @{
 213 **/
 214
 215 /**
 216  * Returns a human readable string describing the call.
 217  *
 218  * @note: the returned char* must be freed by the application (use ms_free()).
 219 **/
 220 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 221         char *status;
 222         char *tmp;
 223         char *from=linphone_address_as_string (cl->from);
 224         char *to=linphone_address_as_string (cl->to);
 225         switch(cl->status){
 226                 case LinphoneCallAborted:
 227                         status=_("aborted");
 228                         break;
 229                 case LinphoneCallSuccess:
 230                         status=_("completed");
 231                         break;
 232                 case LinphoneCallMissed:
 233                         status=_("missed");
 234                         break;
 235                 default:
 236                         status="unknown";
 237         }
 238         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 239                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 240                         cl->start_date,
 241                         from,
 242                         to,
 243                         status,
 244                         cl->duration/60,
 245                         cl->duration%60);
 246         ms_free(from);
 247         ms_free(to);
 248         return tmp;
 249 }
 250
 251 /**
 252  * Returns RTP statistics computed locally regarding the call.
 253  *
 254 **/
 255 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 256         return &cl->local_stats;
 257 }
 258
 259 /**
 260  * Returns RTP statistics computed by remote end and sent back via RTCP.
 261  *
 262  * @note Not implemented yet.
 263 **/
 264 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 265         return &cl->remote_stats;
 266 }
 267
 268 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 269         cl->user_pointer=up;
 270 }
 271
 272 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 273         return cl->user_pointer;
 274 }
 275
 276
 277
 278 /**
 279  * Associate a persistent reference key to the call log.
 280  *
 281  * The reference key can be for example an id to an external database.
 282  * It is stored in the config file, thus can survive to process exits/restarts.
 283  *
 284 **/
 285 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 286         if (cl->refkey!=NULL){
 287                 ms_free(cl->refkey);
 288                 cl->refkey=NULL;
 289         }
 290         if (refkey) cl->refkey=ms_strdup(refkey);
 291 }
 292
 293 /**
 294  * Get the persistent reference key associated to the call log.
 295  *
 296  * The reference key can be for example an id to an external database.
 297  * It is stored in the config file, thus can survive to process exits/restarts.
 298  *
 299 **/
 300 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 301         return cl->refkey;
 302 }
 303
 304 /** @} */
 305
 306 void linphone_call_log_destroy(LinphoneCallLog *cl){
 307         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 308         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 309         if (cl->refkey!=NULL) ms_free(cl->refkey);
 310         if (cl->call_id) ms_free((void*)cl->call_id);
 311         ms_free(cl);
 312 }
 313
 314 /**
 315  * Returns TRUE if the LinphoneCall asked to autoanswer
 316  *
 317 **/
 318 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 319         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 320         if(call)
 321                 return sal_call_autoanswer_asked(call->op);
 322         else
 323                 return FALSE;
 324 }
 325
 326 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 327         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 328         if (call)  return linphone_call_get_duration(call);
 329         return -1;
 330 }
 331
 332 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 333         LinphoneCall *call=linphone_core_get_current_call(lc);
 334         if (call==NULL) return NULL;
 335         return linphone_call_get_remote_address(call);
 336 }
 337
 338 /**
 339  * Enable logs in supplied FILE*.
 340  *
 341  * @ingroup misc
 342  *
 343  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 344  *
 345 **/
 346 void linphone_core_enable_logs(FILE *file){
 347         if (file==NULL) file=stdout;
 348         ortp_set_log_file(file);
 349         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 350 }
 351
 352 /**
 353  * Enable logs through the user's supplied log callback.
 354  *
 355  * @ingroup misc
 356  *
 357  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 358  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 359  *
 360 **/
 361 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 362         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 363         ortp_set_log_handler(logfunc);
 364 }
 365
 366 /**
 367  * Entirely disable logging.
 368  *
 369  * @ingroup misc
 370 **/
 371 void linphone_core_disable_logs(){
 372         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 373 }
 374
 375
 376 static void net_config_read (LinphoneCore *lc)
 377 {
 378         int tmp;
 379         const char *tmpstr;
 380         LpConfig *config=lc->config;
 381
 382         lc->net_conf.nat_address_ip = NULL;
 383         tmp=lp_config_get_int(config,"net","download_bw",0);
 384         linphone_core_set_download_bandwidth(lc,tmp);
 385         tmp=lp_config_get_int(config,"net","upload_bw",0);
 386         linphone_core_set_upload_bandwidth(lc,tmp);
 387         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 388         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 389         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 390         linphone_core_set_nat_address(lc,tmpstr);
 391         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 392         linphone_core_set_firewall_policy(lc,tmp);
 393         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 394         lc->net_conf.nat_sdp_only=tmp;
 395         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 396         linphone_core_set_mtu(lc,tmp);
 397         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 398         linphone_core_set_download_ptime(lc,tmp);
 399
 400 }
 401
 402 static void build_sound_devices_table(LinphoneCore *lc){
 403         const char **devices;
 404         const char **old;
 405         int ndev;
 406         int i;
 407         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 408         ndev=ms_list_size(elem);
 409         devices=ms_malloc((ndev+1)*sizeof(const char *));
 410         for (i=0;elem!=NULL;elem=elem->next,i++){
 411                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 412         }
 413         devices[ndev]=NULL;
 414         old=lc->sound_conf.cards;
 415         lc->sound_conf.cards=devices;
 416         if (old!=NULL) ms_free(old);
 417 }
 418
 419 static void sound_config_read(LinphoneCore *lc)
 420 {
 421         int tmp;
 422         const char *tmpbuf;
 423         const char *devid;
 424         float gain=0;
 425 #ifdef __linux
 426         /*alsadev let the user use custom alsa device within linphone*/
 427         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 428         if (devid){
 429                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 430                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 431         }
 432         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 433         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 434 #endif
 435         /* retrieve all sound devices */
 436         build_sound_devices_table(lc);
 437
 438         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 439         linphone_core_set_playback_device(lc,devid);
 440
 441         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 442         linphone_core_set_ringer_device(lc,devid);
 443
 444         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 445         linphone_core_set_capture_device(lc,devid);
 446
 447 /*
 448         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 449         linphone_core_set_play_level(lc,tmp);
 450         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 451         linphone_core_set_ring_level(lc,tmp);
 452         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 453         linphone_core_set_rec_level(lc,tmp);
 454         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 455         linphone_core_set_sound_source(lc,tmpbuf[0]);
 456 */
 457
 458         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 459         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 460         if (ortp_file_exist(tmpbuf)==-1) {
 461                 ms_warning("%s does not exist",tmpbuf);
 462                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         }
 464         if (strstr(tmpbuf,".wav")==NULL){
 465                 /* it currently uses old sound files, so replace them */
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         linphone_core_set_ring(lc,tmpbuf);
 469
 470         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 471         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 472         if (ortp_file_exist(tmpbuf)==-1){
 473                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 474         }
 475         if (strstr(tmpbuf,".wav")==NULL){
 476                 /* it currently uses old sound files, so replace them */
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         linphone_core_set_ringback(lc,tmpbuf);
 480
 481         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 482         check_sound_device(lc);
 483         lc->sound_conf.latency=0;
 484 #ifndef __ios
 485     tmp=TRUE;
 486 #else
 487     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 488 #endif
 489     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 490         linphone_core_enable_echo_cancellation(lc,tmp);
 491         linphone_core_enable_echo_limiter(lc,
 492                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 493         linphone_core_enable_agc(lc,
 494                 lp_config_get_int(lc->config,"sound","agc",0));
 495
 496         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 497         linphone_core_set_playback_gain_db (lc,gain);
 498
 499         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 500
 501         /*just parse requested stream feature once at start to print out eventual errors*/
 502         linphone_core_get_audio_features(lc);
 503 }
 504
 505 static void sip_config_read(LinphoneCore *lc)
 506 {
 507         char *contact;
 508         const char *tmpstr;
 509         LCSipTransports tr;
 510         int i,tmp;
 511         int ipv6;
 512         int random_port;
 513
 514         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 515         linphone_core_set_use_info_for_dtmf(lc,tmp);
 516
 517         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 518                 sal_use_session_timers(lc->sal,200);
 519         }
 520
 521         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 522         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 523         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 524         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 525
 526         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 527         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 528
 529         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 530         if (ipv6==-1){
 531                 ipv6=0;
 532         }
 533         linphone_core_enable_ipv6(lc,ipv6);
 534         memset(&tr,0,sizeof(tr));
 535
 536         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 537         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 538         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 539
 540         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 541                 random_port=(0xDFFF&random())+1024;
 542         else random_port=0;
 543
 544         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 545                 tr.udp_port=5060;
 546         }
 547
 548         if (tr.udp_port>0 && random_port){
 549                 tr.udp_port=random_port;
 550                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 551         }else if (tr.tcp_port>0 && random_port){
 552                 tr.tcp_port=random_port;
 553                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 554         }else if (tr.tls_port>0 && random_port){
 555                 tr.tls_port=random_port;
 556                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 557         }
 558
 559 #ifdef __linux
 560         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 561 #else
 562         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 563 #endif
 564         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 565         /*start listening on ports*/
 566         linphone_core_set_sip_transports(lc,&tr);
 567
 568         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 569         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 570                 const char *hostname=NULL;
 571                 const char *username=NULL;
 572 #ifdef HAVE_GETENV
 573                 hostname=getenv("HOST");
 574                 username=getenv("USER");
 575                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 576 #endif /*HAVE_GETENV*/
 577                 if (hostname==NULL)
 578                         hostname="unknown-host";
 579                 if (username==NULL){
 580                         username="toto";
 581                 }
 582                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 583                 linphone_core_set_primary_contact(lc,contact);
 584                 ms_free(contact);
 585         }
 586
 587         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 588         linphone_core_set_guess_hostname(lc,tmp);
 589
 590
 591         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 592         linphone_core_set_inc_timeout(lc,tmp);
 593
 594         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 595         linphone_core_set_in_call_timeout(lc,tmp);
 596
 597         /* get proxies config */
 598         for(i=0;; i++){
 599                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 600                 if (cfg!=NULL){
 601                         linphone_core_add_proxy_config(lc,cfg);
 602                 }else{
 603                         break;
 604                 }
 605         }
 606         /* get the default proxy */
 607         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 608         linphone_core_set_default_proxy_index(lc,tmp);
 609
 610         /* read authentication information */
 611         for(i=0;; i++){
 612                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 613                 if (ai!=NULL){
 614                         linphone_core_add_auth_info(lc,ai);
 615                         linphone_auth_info_destroy(ai);
 616                 }else{
 617                         break;
 618                 }
 619         }
 620         /*this is to filter out unsupported encryption schemes*/
 621         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 622
 623         /*for tuning or test*/
 624         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 625         lc->sip_conf.register_only_when_network_is_up=
 626                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 627         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 628         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 629         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 630         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 631         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 632         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 633         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 634         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 635 }
 636
 637 static void rtp_config_read(LinphoneCore *lc)
 638 {
 639         int min_port, max_port;
 640         int jitt_comp;
 641         int nortp_timeout;
 642         bool_t rtp_no_xmit_on_audio_mute;
 643         bool_t adaptive_jitt_comp_enabled;
 644
 645         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 646                 if (min_port <= 0) min_port = 1;
 647                 if (max_port > 65535) max_port = 65535;
 648                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 649         } else {
 650                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 651                 linphone_core_set_audio_port(lc, min_port);
 652         }
 653
 654         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 655                 if (min_port <= 0) min_port = 1;
 656                 if (max_port > 65535) max_port = 65535;
 657                 linphone_core_set_video_port_range(lc, min_port, max_port);
 658         } else {
 659                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 660                 linphone_core_set_video_port(lc, min_port);
 661         }
 662
 663         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 664         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 665         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 666         if (jitt_comp==0) jitt_comp=60;
 667         linphone_core_set_video_jittcomp(lc,jitt_comp);
 668         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 669         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 670         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 671         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 672         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 673         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 674         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 675         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 676 }
 677
 678 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 679         PayloadType *candidate=NULL;
 680         int i;
 681         PayloadType *it;
 682         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 683                 it=rtp_profile_get_payload(prof,i);
 684                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 685                         && (clock_rate==it->clock_rate || clock_rate<=0)
 686                         && (channels==it->channels || channels<=0) ){
 687                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 688                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 689                                 /*exact match*/
 690                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 691                                 return it;
 692                         }else {
 693                                 if (candidate){
 694                                         if (it->recv_fmtp==NULL) candidate=it;
 695                                 }else candidate=it;
 696                         }
 697                 }
 698         }
 699         if (candidate && recv_fmtp){
 700                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 701         }
 702         return candidate;
 703 }
 704
 705 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 706         char codeckey[50];
 707         const char *mime,*fmtp;
 708         int rate,channels,enabled;
 709         PayloadType *pt;
 710
 711         *ret=NULL;
 712         snprintf(codeckey,50,"%s_%i",type,index);
 713         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 714         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 715
 716         rate=lp_config_get_int(config,codeckey,"rate",8000);
 717         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 718         channels=lp_config_get_int(config,codeckey,"channels",0);
 719         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 720         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 721         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 722         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 723         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 724                         mime,rate,fmtp ? fmtp : "");
 725         *ret=pt;
 726         return TRUE;
 727 }
 728
 729 #define RANK_END 10000
 730
 731 typedef struct codec_desc{
 732         const char *name;
 733         int rate;
 734 }codec_desc_t;
 735
 736 static codec_desc_t codec_pref_order[]={
 737         {"SILK", 16000},
 738         {"speex", 16000},
 739         {"speex", 8000},
 740         {"pcmu",8000},
 741         {"pcma",8000},
 742         {"VP8",90000},
 743         {"H264",90000},
 744         {"MP4V-ES",90000},
 745         {NULL,0}
 746 };
 747
 748 static int find_codec_rank(const char *mime, int clock_rate){
 749         int i;
 750         for(i=0;codec_pref_order[i].name!=NULL;++i){
 751                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 752                         return i;
 753         }
 754         return RANK_END;
 755 }
 756
 757 static int codec_compare(const PayloadType *a, const PayloadType *b){
 758         int ra,rb;
 759         ra=find_codec_rank(a->mime_type,a->clock_rate);
 760         rb=find_codec_rank(b->mime_type,b->clock_rate);
 761         if (ra>rb) return 1;
 762         if (ra<rb) return -1;
 763         return 0;
 764 }
 765
 766 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 767         int i;
 768         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 769                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 770                 if (pt){
 771                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 772                                 pt=NULL;
 773                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 774                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 775                                 pt=NULL;
 776                         }
 777                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 778                                 if (ms_list_find(l,pt)==NULL){
 779                                         /*unranked codecs are disabled by default*/
 780                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 781                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 782                                         }
 783                                         ms_message("Adding new codec %s/%i with fmtp %s",
 784                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 785                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 786                                 }
 787                         }
 788                 }
 789         }
 790         return l;
 791 }
 792
 793 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 794         MSList *elem;
 795         for (elem=l;elem!=NULL;elem=elem->next){
 796                 PayloadType *ept=(PayloadType*)elem->data;
 797                 if (pt==ept)
 798                         return l;
 799         }
 800         l=ms_list_append(l,pt);
 801         return l;
 802 }
 803
 804 static void codecs_config_read(LinphoneCore *lc)
 805 {
 806         int i;
 807         PayloadType *pt;
 808         MSList *audio_codecs=NULL;
 809         MSList *video_codecs=NULL;
 810         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 811                 if (pt){
 812                         if (!ms_filter_codec_supported(pt->mime_type)){
 813                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 814                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 815                 }
 816         }
 817         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 818         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 819                 if (pt){
 820                         if (!ms_filter_codec_supported(pt->mime_type)){
 821                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 822                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 823                 }
 824         }
 825         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 826         linphone_core_set_audio_codecs(lc,audio_codecs);
 827         linphone_core_set_video_codecs(lc,video_codecs);
 828         linphone_core_update_allocated_audio_bandwidth(lc);
 829 }
 830
 831 static void build_video_devices_table(LinphoneCore *lc){
 832         const MSList *elem;
 833         int i;
 834         int ndev;
 835         const char **devices;
 836         if (lc->video_conf.cams)
 837                 ms_free(lc->video_conf.cams);
 838         /* retrieve all video devices */
 839         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 840         ndev=ms_list_size(elem);
 841         devices=ms_malloc((ndev+1)*sizeof(const char *));
 842         for (i=0;elem!=NULL;elem=elem->next,i++){
 843                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 844         }
 845         devices[ndev]=NULL;
 846         lc->video_conf.cams=devices;
 847 }
 848
 849 static void video_config_read(LinphoneCore *lc){
 850 #ifdef VIDEO_ENABLED
 851         int capture, display, self_view;
 852 #endif
 853         const char *str;
 854 #ifdef VIDEO_ENABLED
 855         LinphoneVideoPolicy vpol;
 856         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 857 #endif
 858         build_video_devices_table(lc);
 859
 860         str=lp_config_get_string(lc->config,"video","device",NULL);
 861         if (str && str[0]==0) str=NULL;
 862         linphone_core_set_video_device(lc,str);
 863
 864         linphone_core_set_preferred_video_size_by_name(lc,
 865                 lp_config_get_string(lc->config,"video","size","cif"));
 866
 867 #ifdef VIDEO_ENABLED
 868         capture=lp_config_get_int(lc->config,"video","capture",1);
 869         display=lp_config_get_int(lc->config,"video","display",1);
 870         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 871         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 872         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 873         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 874         if(lc->video_conf.displaytype)
 875                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 876
 877         linphone_core_enable_video(lc,capture,display);
 878         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 879         linphone_core_enable_self_view(lc,self_view);
 880         linphone_core_set_video_policy(lc,&vpol);
 881 #endif
 882 }
 883
 884 static void ui_config_read(LinphoneCore *lc)
 885 {
 886         LinphoneFriend *lf;
 887         int i;
 888         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 889                 linphone_core_add_friend(lc,lf);
 890         }
 891         call_logs_read_from_config_file(lc);
 892 }
 893
 894 /*
 895 static void autoreplier_config_init(LinphoneCore *lc)
 896 {
 897         autoreplier_config_t *config=&lc->autoreplier_conf;
 898         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 899         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 900         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 901         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 902         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 903         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 904 }
 905 */
 906
 907 bool_t linphone_core_tunnel_available(void){
 908 #ifdef TUNNEL_ENABLED
 909         return TRUE;
 910 #else
 911         return FALSE;
 912 #endif
 913 }
 914
 915 /**
 916  * Enable adaptive rate control (experimental feature, audio-only).
 917  *
 918  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 919  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 920  * available bandwidth.
 921 **/
 922 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 923         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 924 }
 925
 926 /**
 927  * Returns whether adaptive rate control is enabled.
 928  *
 929  * See linphone_core_enable_adaptive_rate_control().
 930 **/
 931 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 932         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 933 }
 934
 935 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 936         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 937 }
 938
 939 /**
 940  * Sets maximum available download bandwidth
 941  *
 942  * @ingroup media_parameters
 943  *
 944  * This is IP bandwidth, in kbit/s.
 945  * This information is used signaled to other parties during
 946  * calls (within SDP messages) so that the remote end can have
 947  * sufficient knowledge to properly configure its audio & video
 948  * codec output bitrate to not overflow available bandwidth.
 949  *
 950  * @param lc the LinphoneCore object
 951  * @param bw the bandwidth in kbits/s, 0 for infinite
 952  */
 953 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 954         lc->net_conf.download_bw=bw;
 955         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 956 }
 957
 958 /**
 959  * Sets maximum available upload bandwidth
 960  *
 961  * @ingroup media_parameters
 962  *
 963  * This is IP bandwidth, in kbit/s.
 964  * This information is used by liblinphone together with remote
 965  * side available bandwidth signaled in SDP messages to properly
 966  * configure audio & video codec's output bitrate.
 967  *
 968  * @param lc the LinphoneCore object
 969  * @param bw the bandwidth in kbits/s, 0 for infinite
 970  */
 971 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 972         lc->net_conf.upload_bw=bw;
 973         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 974 }
 975
 976 /**
 977  * Retrieve the maximum available download bandwidth.
 978  *
 979  * @ingroup media_parameters
 980  *
 981  * This value was set by linphone_core_set_download_bandwidth().
 982  *
 983 **/
 984 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 985         return lc->net_conf.download_bw;
 986 }
 987
 988 /**
 989  * Retrieve the maximum available upload bandwidth.
 990  *
 991  * @ingroup media_parameters
 992  *
 993  * This value was set by linphone_core_set_upload_bandwidth().
 994  *
 995 **/
 996 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 997         return lc->net_conf.upload_bw;
 998 }
 999 /**
1000  * Set audio packetization time linphone expects to receive from peer
1001  */
1002 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1003         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1004 }
1005
1006 /**
1007  * Get audio packetization time linphone expects to receive from peer
1008  */
1009 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1010         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1011 }
1012
1013 /**
1014  * Set audio packetization time linphone will send (in absence of requirement from peer)
1015  * A value of 0 stands for the current codec default packetization time.
1016  *
1017 **/
1018 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1019         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1020 }
1021
1022 /**
1023  * Set audio packetization time linphone will send (in absence of requirement from peer)
1024  * A value of 0 stands for the current codec default packetization time.
1025  *
1026 **/
1027 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1028         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1029 }
1030
1031
1032
1033 /**
1034  * Returns liblinphone's version as a string.
1035  *
1036  * @ingroup misc
1037  *
1038 **/
1039 const char * linphone_core_get_version(void){
1040         return liblinphone_version;
1041 }
1042
1043 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1044         PayloadType *pt;
1045         pt=payload_type_clone(const_pt);
1046         if (number==-1){
1047                 /*look for a free number */
1048                 MSList *elem;
1049                 int i;
1050                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1051                         bool_t already_assigned=FALSE;
1052                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1053                                 PayloadType *it=(PayloadType*)elem->data;
1054                                 if (payload_type_get_number(it)==i){
1055                                         already_assigned=TRUE;
1056                                         break;
1057                                 }
1058                         }
1059                         if (!already_assigned){
1060                                 number=i;
1061                                 lc->dyn_pt=i+1;
1062                                 break;
1063                         }
1064                 }
1065                 if (number==-1){
1066                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1067                 }
1068         }
1069         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1070         payload_type_set_number(pt,number);
1071         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1072         rtp_profile_set_payload(&av_profile,number,pt);
1073         lc->payload_types=ms_list_append(lc->payload_types,pt);
1074 }
1075
1076 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1077         RtpProfile *prof=&av_profile;
1078         int i;
1079         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1080                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1081                 if (pt){
1082                         if (payload_type_get_number(pt)!=i){
1083                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1084                         }
1085                 }
1086         }
1087 }
1088
1089 static void linphone_core_free_payload_types(LinphoneCore *lc){
1090         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1091         ms_list_free(lc->payload_types);
1092         lc->payload_types=NULL;
1093 }
1094
1095 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1096         lc->state=gstate;
1097         if (lc->vtable.global_state_changed){
1098                 lc->vtable.global_state_changed(lc,gstate,message);
1099         }
1100 }
1101 static void misc_config_read (LinphoneCore *lc) {
1102         LpConfig *config=lc->config;
1103     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1104     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1105 }
1106
1107
1108
1109
1110 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1111     const char *factory_config_path, void * userdata)
1112 {
1113         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1114         memset (lc, 0, sizeof (LinphoneCore));
1115         lc->data=userdata;
1116         lc->ringstream_autorelease=TRUE;
1117
1118         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1119
1120         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1121         ortp_init();
1122         lc->dyn_pt=96;
1123         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1124         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1125         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1126         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1127         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1128         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1129         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1130         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1131
1132 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1133         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1134          - to workaround potential packet losses
1135          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1136          */
1137         _linphone_core_configure_resolver();
1138 #endif
1139
1140 #ifdef ENABLE_NONSTANDARD_GSM
1141         {
1142                 PayloadType *pt;
1143                 pt=payload_type_clone(&payload_type_gsm);
1144                 pt->clock_rate=11025;
1145                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1146                 pt->clock_rate=22050;
1147                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1148                 payload_type_destroy(pt);
1149         }
1150 #endif
1151
1152 #ifdef VIDEO_ENABLED
1153         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1154         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1155         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1156         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1157         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1158         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1159         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1160         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1161         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1162 #endif
1163
1164         /*add all payload type for which we don't care about the number */
1165         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1166         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1167         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1168         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1169         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1170         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1171         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1172         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1173         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1174         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1175         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1176         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1177         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1178         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1179         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1180         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1181         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1182         linphone_core_handle_static_payloads(lc);
1183
1184         ms_init();
1185         /* create a mediastreamer2 event queue and set it as global */
1186         /* This allows to run event's callback in linphone_core_iterate() */
1187         lc->msevq=ms_event_queue_new();
1188         ms_set_global_event_queue(lc->msevq);
1189
1190         lc->config=lp_config_new(config_path);
1191         if (factory_config_path)
1192                 lp_config_read_file(lc->config,factory_config_path);
1193
1194         lc->sal=sal_init();
1195         sal_set_user_pointer(lc->sal,lc);
1196         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1197
1198         lc->network_last_check = 0;
1199         lc->network_last_status = FALSE;
1200
1201         sip_setup_register_all();
1202         sound_config_read(lc);
1203         net_config_read(lc);
1204         rtp_config_read(lc);
1205         codecs_config_read(lc);
1206         sip_config_read(lc); /* this will start eXosip*/
1207         video_config_read(lc);
1208         //autoreplier_config_init(&lc->autoreplier_conf);
1209         lc->presence_mode=LinphoneStatusOnline;
1210         misc_config_read(lc);
1211         ui_config_read(lc);
1212 #ifdef TUNNEL_ENABLED
1213         lc->tunnel=linphone_core_tunnel_new(lc);
1214         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1215 #endif
1216         if (lc->vtable.display_status)
1217                 lc->vtable.display_status(lc,_("Ready"));
1218         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1219         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1220 }
1221
1222 /**
1223  * Instanciates a LinphoneCore object.
1224  * @ingroup initializing
1225  *
1226  * The LinphoneCore object is the primary handle for doing all phone actions.
1227  * It should be unique within your application.
1228  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1229  * @param config_path a path to a config file. If it does not exists it will be created.
1230  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1231  *             become persistent over the life of the LinphoneCore object.
1232  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1233  * @param factory_config_path a path to a read-only config file that can be used to
1234  *        to store hard-coded preference such as proxy settings or internal preferences.
1235  *        The settings in this factory file always override the one in the normal config file.
1236  *        It is OPTIONAL, use NULL if unneeded.
1237  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1238  *        callbacks) using linphone_core_get_user_data().
1239  *
1240 **/
1241 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1242                                                 const char *config_path, const char *factory_config_path, void * userdata)
1243 {
1244         LinphoneCore *core=ms_new(LinphoneCore,1);
1245         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1246         return core;
1247 }
1248
1249 /**
1250  * Returns the list of available audio codecs.
1251  *
1252  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1253  * structure holding the codec information.
1254  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1255  * (such as the order of codecs).
1256 **/
1257 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1258 {
1259         return lc->codecs_conf.audio_codecs;
1260 }
1261
1262 /**
1263  * Returns the list of available video codecs.
1264  *
1265  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1266  * structure holding the codec information.
1267  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1268  * (such as the order of codecs).
1269 **/
1270 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1271 {
1272         return lc->codecs_conf.video_codecs;
1273 }
1274
1275 /**
1276  * Sets the local "from" identity.
1277  *
1278  * @ingroup proxies
1279  * This data is used in absence of any proxy configuration or when no
1280  * default proxy configuration is set. See LinphoneProxyConfig
1281 **/
1282 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1283 {
1284         LinphoneAddress *ctt;
1285
1286         if ((ctt=linphone_address_new(contact))==0) {
1287                 ms_error("Bad contact url: %s",contact);
1288                 return -1;
1289         }
1290         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1291         lc->sip_conf.contact=ms_strdup(contact);
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         linphone_address_destroy(ctt);
1297         return 0;
1298 }
1299
1300
1301 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1302 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1303         const char *ip;
1304         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1305             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1306                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1307                 return;
1308         }
1309         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1310                 return;
1311         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1312         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1313 }
1314
1315 static void update_primary_contact(LinphoneCore *lc){
1316         char *guessed=NULL;
1317         char tmp[LINPHONE_IPADDR_SIZE];
1318
1319         LinphoneAddress *url;
1320         if (lc->sip_conf.guessed_contact!=NULL){
1321                 ms_free(lc->sip_conf.guessed_contact);
1322                 lc->sip_conf.guessed_contact=NULL;
1323         }
1324         url=linphone_address_new(lc->sip_conf.contact);
1325         if (!url){
1326                 ms_error("Could not parse identity contact !");
1327                 url=linphone_address_new("sip:unknown@unkwownhost");
1328         }
1329         linphone_core_get_local_ip(lc, NULL, tmp);
1330         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1331                 ms_warning("Local loopback network only !");
1332                 lc->sip_conf.loopback_only=TRUE;
1333         }else lc->sip_conf.loopback_only=FALSE;
1334         linphone_address_set_domain(url,tmp);
1335         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1336         guessed=linphone_address_as_string(url);
1337         lc->sip_conf.guessed_contact=guessed;
1338         linphone_address_destroy(url);
1339 }
1340
1341 /**
1342  * Returns the default identity when no proxy configuration is used.
1343  *
1344  * @ingroup proxies
1345 **/
1346 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1347         char *identity;
1348
1349         if (lc->sip_conf.guess_hostname){
1350                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1351                         update_primary_contact(lc);
1352                 }
1353                 identity=lc->sip_conf.guessed_contact;
1354         }else{
1355                 identity=lc->sip_conf.contact;
1356         }
1357         return identity;
1358 }
1359
1360 /**
1361  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1362  *
1363  * @ingroup proxies
1364 **/
1365 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1366         lc->sip_conf.guess_hostname=val;
1367 }
1368
1369 /**
1370  * Returns TRUE if hostname part of primary contact is guessed automatically.
1371  *
1372  * @ingroup proxies
1373 **/
1374 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1375         return lc->sip_conf.guess_hostname;
1376 }
1377
1378 /**
1379  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1380  * instead of const char*
1381  *
1382  * @ingroup proxies
1383 **/
1384 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1385         return linphone_address_new(linphone_core_get_primary_contact(lc));
1386 }
1387
1388 /**
1389  * Sets the list of audio codecs.
1390  *
1391  * @ingroup media_parameters
1392  * The list is taken by the LinphoneCore thus the application should not free it.
1393  * This list is made of struct PayloadType describing the codec parameters.
1394 **/
1395 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1396 {
1397         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1398         lc->codecs_conf.audio_codecs=codecs;
1399         _linphone_core_codec_config_write(lc);
1400         return 0;
1401 }
1402
1403 /**
1404  * Sets the list of video codecs.
1405  *
1406  * @ingroup media_parameters
1407  * The list is taken by the LinphoneCore thus the application should not free it.
1408  * This list is made of struct PayloadType describing the codec parameters.
1409 **/
1410 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1411 {
1412         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1413         lc->codecs_conf.video_codecs=codecs;
1414         _linphone_core_codec_config_write(lc);
1415         return 0;
1416 }
1417
1418 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1419 {
1420         return lc->friends;
1421 }
1422
1423 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1424 {
1425         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1426 }
1427
1428 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1429 {
1430         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1431 }
1432
1433 /**
1434  * Returns the nominal audio jitter buffer size in milliseconds.
1435  *
1436  * @ingroup media_parameters
1437 **/
1438 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1439 {
1440         return lc->rtp_conf.audio_jitt_comp;
1441 }
1442
1443 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1444 {
1445         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1446 }
1447
1448 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1449 {
1450         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1451 }
1452
1453 /**
1454  * Returns the nominal video jitter buffer size in milliseconds.
1455  *
1456  * @ingroup media_parameters
1457 **/
1458 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1459 {
1460         return lc->rtp_conf.video_jitt_comp;
1461 }
1462
1463 /**
1464  * Returns the UDP port used for audio streaming.
1465  *
1466  * @ingroup network_parameters
1467 **/
1468 int linphone_core_get_audio_port(const LinphoneCore *lc)
1469 {
1470         return lc->rtp_conf.audio_rtp_min_port;
1471 }
1472
1473 /**
1474  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1475  *
1476  * @ingroup network_parameters
1477  */
1478 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1479 {
1480         *min_port = lc->rtp_conf.audio_rtp_min_port;
1481         *max_port = lc->rtp_conf.audio_rtp_max_port;
1482 }
1483
1484 /**
1485  * Returns the UDP port used for video streaming.
1486  *
1487  * @ingroup network_parameters
1488 **/
1489 int linphone_core_get_video_port(const LinphoneCore *lc){
1490         return lc->rtp_conf.video_rtp_min_port;
1491 }
1492
1493 /**
1494  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1495  *
1496  * @ingroup network_parameters
1497  */
1498 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1499 {
1500         *min_port = lc->rtp_conf.video_rtp_min_port;
1501         *max_port = lc->rtp_conf.video_rtp_max_port;
1502 }
1503
1504
1505 /**
1506  * Returns the value in seconds of the no-rtp timeout.
1507  *
1508  * @ingroup media_parameters
1509  * When no RTP or RTCP packets have been received for a while
1510  * LinphoneCore will consider the call is broken (remote end crashed or
1511  * disconnected from the network), and thus will terminate the call.
1512  * The no-rtp timeout is the duration above which the call is considered broken.
1513 **/
1514 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1515         return lc->rtp_conf.nortp_timeout;
1516 }
1517
1518 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1519         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1520 }
1521
1522 /**
1523  * Sets the nominal audio jitter buffer size in milliseconds.
1524  *
1525  * @ingroup media_parameters
1526 **/
1527 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1528 {
1529         lc->rtp_conf.audio_jitt_comp=value;
1530 }
1531
1532 /**
1533  * Sets the nominal video jitter buffer size in milliseconds.
1534  *
1535  * @ingroup media_parameters
1536 **/
1537 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1538 {
1539         lc->rtp_conf.video_jitt_comp=value;
1540 }
1541
1542 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1543         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1544 }
1545
1546 /**
1547  * Sets the UDP port used for audio streaming.
1548  *
1549  * @ingroup network_parameters
1550 **/
1551 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1552 {
1553         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1554 }
1555
1556 /**
1557  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1558  */
1559 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1560 {
1561         lc->rtp_conf.audio_rtp_min_port=min_port;
1562         lc->rtp_conf.audio_rtp_max_port=max_port;
1563 }
1564
1565 /**
1566  * Sets the UDP port used for video streaming.
1567  *
1568  * @ingroup network_parameters
1569 **/
1570 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1571         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1572 }
1573
1574 /**
1575  * Sets the UDP port range from which to randomly select the port used for video streaming.
1576  */
1577 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1578 {
1579         lc->rtp_conf.video_rtp_min_port=min_port;
1580         lc->rtp_conf.video_rtp_max_port=max_port;
1581 }
1582
1583 /**
1584  * Sets the no-rtp timeout value in seconds.
1585  *
1586  * @ingroup media_parameters
1587  * See linphone_core_get_nortp_timeout() for details.
1588 **/
1589 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1590         lc->rtp_conf.nortp_timeout=nortp_timeout;
1591 }
1592
1593 /**
1594  * Indicates whether SIP INFO is used for sending digits.
1595  *
1596  * @ingroup media_parameters
1597 **/
1598 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1599 {
1600         return lc->sip_conf.use_info;
1601 }
1602
1603 /**
1604  * Sets whether SIP INFO is to be used for sending digits.
1605  *
1606  * @ingroup media_parameters
1607 **/
1608 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1609 {
1610         lc->sip_conf.use_info=use_info;
1611 }
1612
1613 /**
1614  * Indicates whether RFC2833 is used for sending digits.
1615  *
1616  * @ingroup media_parameters
1617 **/
1618 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1619 {
1620         return lc->sip_conf.use_rfc2833;
1621 }
1622
1623 /**
1624  * Sets whether RFC2833 is to be used for sending digits.
1625  *
1626  * @ingroup media_parameters
1627 **/
1628 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1629 {
1630         lc->sip_conf.use_rfc2833=use_rfc2833;
1631 }
1632
1633 /**
1634  * Returns the UDP port used by SIP.
1635  *
1636  * Deprecated: use linphone_core_get_sip_transports() instead.
1637  * @ingroup network_parameters
1638 **/
1639 int linphone_core_get_sip_port(LinphoneCore *lc)
1640 {
1641         LCSipTransports *tr=&lc->sip_conf.transports;
1642         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1643 }
1644
1645 static char _ua_name[64]="Linphone";
1646 static char _ua_version[64]=LINPHONE_VERSION;
1647
1648 #ifdef HAVE_EXOSIP_GET_VERSION
1649 extern const char *eXosip_get_version();
1650 #endif
1651
1652 static void apply_user_agent(LinphoneCore *lc){
1653         char ua_string[256];
1654         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1655 #ifdef HAVE_EXOSIP_GET_VERSION
1656                  eXosip_get_version()
1657 #else
1658                  "unknown"
1659 #endif
1660         );
1661         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1662 }
1663
1664 /**
1665  * Sets the user agent string used in SIP messages.
1666  *
1667  * @ingroup misc
1668 **/
1669 void linphone_core_set_user_agent(const char *name, const char *ver){
1670         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1671         strncpy(_ua_version,ver,sizeof(_ua_version));
1672 }
1673
1674 const char *linphone_core_get_user_agent_name(void){
1675         return _ua_name;
1676 }
1677
1678 const char *linphone_core_get_user_agent_version(void){
1679         return _ua_version;
1680 }
1681
1682 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1683         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1684         ms_warning("%s",msg);
1685         if (lc->vtable.display_warning)
1686                 lc->vtable.display_warning(lc,msg);
1687         ms_free(msg);
1688 }
1689
1690 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1691         return
1692                 tr2->udp_port==tr1->udp_port &&
1693                 tr2->tcp_port==tr1->tcp_port &&
1694                 tr2->dtls_port==tr1->dtls_port &&
1695                 tr2->tls_port==tr1->tls_port;
1696 }
1697
1698 static int apply_transports(LinphoneCore *lc){
1699         Sal *sal=lc->sal;
1700         const char *anyaddr;
1701         LCSipTransports *tr=&lc->sip_conf.transports;
1702
1703         /*first of all invalidate all current registrations so that we can register again with new transports*/
1704         __linphone_core_invalidate_registers(lc);
1705
1706         if (lc->sip_conf.ipv6_enabled)
1707                 anyaddr="::0";
1708         else
1709                 anyaddr="0.0.0.0";
1710
1711         sal_unlisten_ports(sal);
1712         if (tr->udp_port>0){
1713                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1714                         transport_error(lc,"udp",tr->udp_port);
1715                         return -1;
1716                 }
1717         }
1718         if (tr->tcp_port>0){
1719                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1720                         transport_error(lc,"tcp",tr->tcp_port);
1721                 }
1722         }
1723         if (tr->tls_port>0){
1724                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1725                         transport_error(lc,"tls",tr->tls_port);
1726                 }
1727         }
1728         apply_user_agent(lc);
1729         return 0;
1730 }
1731
1732 /**
1733  * Sets the ports to be used for each of transport (UDP or TCP)
1734  *
1735  * A zero value port for a given transport means the transport
1736  * is not used.
1737  *
1738  * @ingroup network_parameters
1739 **/
1740 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1741
1742         if (transports_unchanged(tr,&lc->sip_conf.transports))
1743                 return 0;
1744         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1745
1746         if (linphone_core_ready(lc)){
1747                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1748                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1749                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1750         }
1751
1752         if (lc->sal==NULL) return 0;
1753         return apply_transports(lc);
1754 }
1755
1756 /**
1757  * Retrieves the ports used for each transport (udp, tcp).
1758  * A zero value port for a given transport means the transport
1759  * is not used.
1760  * @ingroup network_parameters
1761 **/
1762 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1763         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1764         return 0;
1765 }
1766
1767 /**
1768  * Sets the UDP port to be used by SIP.
1769  *
1770  * Deprecated: use linphone_core_set_sip_transports() instead.
1771  * @ingroup network_parameters
1772 **/
1773 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1774 {
1775         LCSipTransports tr;
1776         memset(&tr,0,sizeof(tr));
1777         tr.udp_port=port;
1778         linphone_core_set_sip_transports (lc,&tr);
1779 }
1780
1781 /**
1782  * Returns TRUE if IPv6 is enabled.
1783  *
1784  * @ingroup network_parameters
1785  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1786 **/
1787 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1788         return lc->sip_conf.ipv6_enabled;
1789 }
1790
1791 /**
1792  * Turns IPv6 support on or off.
1793  *
1794  * @ingroup network_parameters
1795  *
1796  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1797  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1798  * By default IPv6 support is off.
1799 **/
1800 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1801         if (lc->sip_conf.ipv6_enabled!=val){
1802                 lc->sip_conf.ipv6_enabled=val;
1803                 if (lc->sal){
1804                         /* we need to restart eXosip */
1805                         apply_transports(lc);
1806                 }
1807         }
1808 }
1809
1810
1811 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1812         char result[LINPHONE_IPADDR_SIZE];
1813         bool_t new_status=lc->network_last_status;
1814
1815         /* only do the network up checking every five seconds */
1816         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1817                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1818                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1819                         new_status=TRUE;
1820                 }else new_status=FALSE;
1821                 lc->network_last_check=curtime;
1822                 if (new_status!=lc->network_last_status) {
1823                         if (new_status){
1824                                 ms_message("New local ip address is %s",result);
1825                         }
1826                         set_network_reachable(lc,new_status, curtime);
1827                         lc->network_last_status=new_status;
1828                 }
1829         }
1830 }
1831
1832 static void proxy_update(LinphoneCore *lc){
1833         MSList *elem,*next;
1834         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1835         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1836                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1837                 next=elem->next;
1838                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1839                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1840                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1841                         linphone_proxy_config_destroy(cfg);
1842                 }
1843         }
1844 }
1845
1846 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1847         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1848         if (lf!=NULL){
1849                 lf->info=info;
1850                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1851                 if (lc->vtable.buddy_info_updated)
1852                         lc->vtable.buddy_info_updated(lc,lf);
1853         }else{
1854                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1855         }
1856 }
1857
1858 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1859         MSList *elem;
1860         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1861         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1862                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1863                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1864                         if (req->results!=NULL){
1865                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1866                                 ms_list_free(req->results);
1867                                 req->results=NULL;
1868                                 assign_buddy_info(lc,i);
1869                         }
1870                         sip_setup_context_buddy_lookup_free(ctx,req);
1871                         elem->data=NULL;
1872                 }
1873         }
1874         /*purge completed requests */
1875         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1876                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1877         }
1878 }
1879
1880 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1881         const MSList *elem;
1882         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1883         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1884                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1885                 if (lf->info==NULL){
1886                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1887                                 if (linphone_address_get_username(lf->uri)!=NULL){
1888                                         BuddyLookupRequest *req;
1889                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1890                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1891                                         buddy_lookup_request_set_key(req,tmp);
1892                                         buddy_lookup_request_set_max_results(req,1);
1893                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1894                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1895                                         ms_free(tmp);
1896                                 }
1897                         }
1898                 }
1899         }
1900 }
1901
1902 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1903         LinphoneProxyConfig *cfg=NULL;
1904         linphone_core_get_default_proxy(lc,&cfg);
1905         if (cfg){
1906                 if (lc->bl_refresh){
1907                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1908                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1909                                 linphone_core_grab_buddy_infos(lc,cfg);
1910                                 lc->bl_refresh=FALSE;
1911                         }
1912                 }
1913                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1914         }
1915 }
1916
1917 /**
1918  * Main loop function. It is crucial that your application call it periodically.
1919  *
1920  * @ingroup initializing
1921  * linphone_core_iterate() performs various backgrounds tasks:
1922  * - receiving of SIP messages
1923  * - handles timers and timeout
1924  * - performs registration to proxies
1925  * - authentication retries
1926  * The application MUST call this function periodically, in its main loop.
1927  * Be careful that this function must be called from the same thread as
1928  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1929  * serialized with a mutex.
1930 **/
1931 void linphone_core_iterate(LinphoneCore *lc){
1932         MSList *calls;
1933         LinphoneCall *call;
1934         time_t curtime=time(NULL);
1935         int elapsed;
1936         bool_t one_second_elapsed=FALSE;
1937
1938         if (curtime-lc->prevtime>=1){
1939                 lc->prevtime=curtime;
1940                 one_second_elapsed=TRUE;
1941         }
1942
1943         if (lc->ecc!=NULL){
1944                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1945                 if (ecs!=LinphoneEcCalibratorInProgress){
1946                         if (lc->ecc->cb)
1947                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1948                         if (ecs==LinphoneEcCalibratorDone){
1949                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1950                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1951                         } else if (ecs == LinphoneEcCalibratorFailed) {
1952                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1953                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1954                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1955                         }
1956                         ec_calibrator_destroy(lc->ecc);
1957                         lc->ecc=NULL;
1958                 }
1959         }
1960
1961         if (lc->preview_finished){
1962                 lc->preview_finished=0;
1963                 ring_stop(lc->ringstream);
1964                 lc->ringstream=NULL;
1965                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1966         }
1967
1968         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1969             && (curtime-lc->dmfs_playing_start_time)>5){
1970                 ring_stop(lc->ringstream);
1971                 lc->ringstream=NULL;
1972                 lc->dmfs_playing_start_time=0;
1973         }
1974
1975         sal_iterate(lc->sal);
1976         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1977         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1978
1979         proxy_update(lc);
1980
1981         //we have to iterate for each call
1982         calls= lc->calls;
1983         while(calls!= NULL){
1984                 call = (LinphoneCall *)calls->data;
1985                 elapsed = curtime-call->start_time;
1986                  /* get immediately a reference to next one in case the one
1987                  we are going to examine is destroy and removed during
1988                  linphone_core_start_invite() */
1989                 calls=calls->next;
1990                 linphone_call_background_tasks(call,one_second_elapsed);
1991                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1992                         /*start the call even if the OPTIONS reply did not arrive*/
1993                         if (call->ice_session != NULL) {
1994                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
1995                                                 ,linphone_core_get_stun_server(lc));
1996                                 linphone_call_delete_ice_session(call);
1997                                 linphone_call_stop_media_streams_for_ice_gathering(call);
1998                         }
1999                         linphone_core_start_invite(lc,call);
2000                 }
2001                 if (call->state==LinphoneCallIncomingReceived){
2002                         ms_message("incoming call ringing for %i seconds",elapsed);
2003                         if (elapsed>lc->sip_conf.inc_timeout){
2004                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2005                                 call->log->status=LinphoneCallMissed;
2006                                 call->reason=LinphoneReasonNotAnswered;
2007                                 linphone_core_terminate_call(lc,call);
2008                         }
2009                 }
2010                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2011                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2012                         linphone_core_terminate_call(lc,call);
2013                 }
2014         }
2015
2016         if (linphone_core_video_preview_enabled(lc)){
2017                 if (lc->previewstream==NULL && lc->calls==NULL)
2018                         toggle_video_preview(lc,TRUE);
2019 #ifdef VIDEO_ENABLED
2020                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2021 #endif
2022         }else{
2023                 if (lc->previewstream!=NULL)
2024                         toggle_video_preview(lc,FALSE);
2025         }
2026
2027         linphone_core_run_hooks(lc);
2028         linphone_core_do_plugin_tasks(lc);
2029
2030         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2031             (curtime-lc->netup_time)>3){
2032                 linphone_core_send_initial_subscribes(lc);
2033                 lc->initial_subscribes_sent=TRUE;
2034         }
2035
2036         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2037                 lp_config_sync(lc->config);
2038         }
2039 }
2040
2041 /**
2042  * Interpret a call destination as supplied by the user, and returns a fully qualified
2043  * LinphoneAddress.
2044  *
2045  * A sip address should look like DisplayName <sip:username@domain:port> .
2046  * Basically this function performs the following tasks
2047  * - if a phone number is entered, prepend country prefix of the default proxy
2048  *   configuration, eventually escape the '+' by 00.
2049  * - if no domain part is supplied, append the domain name of the default proxy
2050  * - if no sip: is present, prepend it
2051  *
2052  * The result is a syntaxically correct SIP address.
2053 **/
2054
2055 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2056         enum_lookup_res_t *enumres=NULL;
2057         char *enum_domain=NULL;
2058         LinphoneProxyConfig *proxy=lc->default_proxy;;
2059         char *tmpurl;
2060         LinphoneAddress *uri;
2061
2062         if (is_enum(url,&enum_domain)){
2063                 if (lc->vtable.display_status!=NULL)
2064                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2065                 if (enum_lookup(enum_domain,&enumres)<0){
2066                         if (lc->vtable.display_status!=NULL)
2067                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2068                         ms_free(enum_domain);
2069                         return NULL;
2070                 }
2071                 ms_free(enum_domain);
2072                 tmpurl=enumres->sip_address[0];
2073                 uri=linphone_address_new(tmpurl);
2074                 enum_lookup_res_free(enumres);
2075                 return uri;
2076         }
2077         /* check if we have a "sip:" */
2078         if (strstr(url,"sip:")==NULL){
2079                 /* this doesn't look like a true sip uri */
2080                 if (strchr(url,'@')!=NULL){
2081                         /* seems like sip: is missing !*/
2082                         tmpurl=ms_strdup_printf("sip:%s",url);
2083                         uri=linphone_address_new(tmpurl);
2084                         ms_free(tmpurl);
2085                         if (uri){
2086                                 return uri;
2087                         }
2088                 }
2089
2090                 if (proxy!=NULL){
2091                         /* append the proxy domain suffix */
2092                         const char *identity=linphone_proxy_config_get_identity(proxy);
2093                         char normalized_username[128];
2094                         uri=linphone_address_new(identity);
2095                         if (uri==NULL){
2096                                 return NULL;
2097                         }
2098                         linphone_address_set_display_name(uri,NULL);
2099                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2100                                                                 sizeof(normalized_username));
2101                         linphone_address_set_username(uri,normalized_username);
2102                         return uri;
2103                 }else return NULL;
2104         }
2105         uri=linphone_address_new(url);
2106         if (uri!=NULL){
2107                 return uri;
2108         }
2109         /* else we could not do anything with url given by user, so display an error */
2110         if (lc->vtable.display_warning!=NULL){
2111                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2112         }
2113         return NULL;
2114 }
2115
2116 /**
2117  * Returns the default identity SIP address.
2118  *
2119  * @ingroup proxies
2120  * This is an helper function:
2121  *
2122  * If no default proxy is set, this will return the primary contact (
2123  * see linphone_core_get_primary_contact() ). If a default proxy is set
2124  * it returns the registered identity on the proxy.
2125 **/
2126 const char * linphone_core_get_identity(LinphoneCore *lc){
2127         LinphoneProxyConfig *proxy=NULL;
2128         const char *from;
2129         linphone_core_get_default_proxy(lc,&proxy);
2130         if (proxy!=NULL) {
2131                 from=linphone_proxy_config_get_identity(proxy);
2132         }else from=linphone_core_get_primary_contact(lc);
2133         return from;
2134 }
2135
2136 const char * linphone_core_get_route(LinphoneCore *lc){
2137         LinphoneProxyConfig *proxy=NULL;
2138         const char *route=NULL;
2139         linphone_core_get_default_proxy(lc,&proxy);
2140         if (proxy!=NULL) {
2141                 route=linphone_proxy_config_get_route(proxy);
2142         }
2143         return route;
2144 }
2145
2146 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2147         if (call->refer_pending){
2148                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2149                 LinphoneCall *newcall;
2150                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2151                 cp->referer=call;
2152                 ms_message("Starting new call to refered address %s",call->refer_to);
2153                 call->refer_pending=FALSE;
2154                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2155                 linphone_call_params_destroy(cp);
2156                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2157         }
2158 }
2159
2160 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2161         if (referer->op!=NULL){
2162                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2163         }
2164 }
2165
2166 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2167         const MSList *elem;
2168         LinphoneProxyConfig *found_cfg=NULL;
2169         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2170
2171         /*always prefer the default proxy if it is matching the destination uri*/
2172         if (default_cfg){
2173                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2174                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2175                         return default_cfg;
2176         }
2177
2178         /*otherwise iterate through the other proxy config and return the first matching*/
2179         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2180                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2181                 const char *domain=linphone_proxy_config_get_domain(cfg);
2182                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2183                         found_cfg=cfg;
2184                         break;
2185                 }
2186         }
2187         return found_cfg;
2188 }
2189
2190 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2191         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2192         if (cfg==NULL)
2193                 linphone_core_get_default_proxy (lc,&cfg);
2194         if (cfg!=NULL){
2195                 if (route) *route=linphone_proxy_config_get_route(cfg);
2196                 return linphone_proxy_config_get_identity (cfg);
2197         }
2198         return linphone_core_get_primary_contact (lc);
2199 }
2200
2201 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2202         LinphoneAddress *ctt;
2203         const char *localip=call->localip;
2204
2205         /* first use user's supplied ip address if asked*/
2206         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2207                 ctt=linphone_core_get_primary_contact_parsed(lc);
2208                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2209                         linphone_core_get_nat_address_resolved(lc));
2210         }
2211
2212         /* if already choosed, don't change it */
2213         if (call->op && sal_op_get_contact(call->op)!=NULL){
2214                 return NULL;
2215         }
2216         /* if the ping OPTIONS request succeeded use the contact guessed from the
2217          received, rport*/
2218         if (call->ping_op){
2219                 const char *guessed=sal_op_get_contact(call->ping_op);
2220                 if (guessed){
2221                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2222                         return ms_strdup(guessed);
2223                 }
2224         }
2225
2226         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2227         if (dest_proxy && dest_proxy->op){
2228                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2229                 if (fixed_contact) {
2230                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2231                         return ms_strdup(fixed_contact);
2232                 }
2233         }
2234
2235         ctt=linphone_core_get_primary_contact_parsed(lc);
2236
2237         if (ctt!=NULL){
2238                 char *ret;
2239                 /*otherwise use supllied localip*/
2240                 linphone_address_set_domain(ctt,localip);
2241                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2242                 ret=linphone_address_as_string_uri_only(ctt);
2243                 linphone_address_destroy(ctt);
2244                 ms_message("Contact has been fixed using local ip to %s",ret);
2245                 return ret;
2246         }
2247         return NULL;
2248 }
2249
2250 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2251         bool_t ice_ready = FALSE;
2252         bool_t ping_ready = FALSE;
2253
2254         if (call->ice_session != NULL) {
2255                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2256         } else {
2257                 ice_ready = TRUE;
2258         }
2259         if (call->ping_op != NULL) {
2260                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2261         } else {
2262                 ping_ready = TRUE;
2263         }
2264
2265         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2266                 return linphone_core_start_invite(lc, call);
2267         }
2268         return 0;
2269 }
2270
2271 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2272         int err;
2273         char *contact;
2274         char *real_url,*barmsg;
2275         char *from;
2276         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2277
2278         /*try to be best-effort in giving real local or routable contact address */
2279         contact=get_fixed_contact(lc,call,dest_proxy);
2280         if (contact){
2281                 sal_op_set_contact(call->op, contact);
2282                 ms_free(contact);
2283         }
2284         linphone_core_stop_dtmf_stream(lc);
2285         linphone_call_init_media_streams(call);
2286         if (lc->ringstream==NULL)
2287                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2288         call->localdesc=create_local_media_description(lc,call);
2289         if (!lc->sip_conf.sdp_200_ack){
2290                 call->media_pending=TRUE;
2291                 sal_call_set_local_media_description(call->op,call->localdesc);
2292         }
2293         real_url=linphone_address_as_string(call->log->to);
2294         from=linphone_address_as_string(call->log->from);
2295         err=sal_call(call->op,from,real_url);
2296         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2297
2298         if (lc->sip_conf.sdp_200_ack){
2299                 call->media_pending=TRUE;
2300                 sal_call_set_local_media_description(call->op,call->localdesc);
2301         }
2302         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2303         if (lc->vtable.display_status!=NULL)
2304                 lc->vtable.display_status(lc,barmsg);
2305         ms_free(barmsg);
2306
2307         if (err<0){
2308                 if (lc->vtable.display_status!=NULL)
2309                         lc->vtable.display_status(lc,_("Could not call"));
2310                 linphone_call_stop_media_streams(call);
2311                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2312         }else {
2313                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2314         }
2315         ms_free(real_url);
2316         ms_free(from);
2317         return err;
2318 }
2319
2320 /**
2321  * Initiates an outgoing call
2322  *
2323  * @ingroup call_control
2324  * @param lc the LinphoneCore object
2325  * @param url the destination of the call (sip address, or phone number).
2326  *
2327  * The application doesn't own a reference to the returned LinphoneCall object.
2328  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2329  *
2330  * @return a LinphoneCall object or NULL in case of failure
2331 **/
2332 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2333         LinphoneCall *call;
2334         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2335         p->has_video &= !!lc->video_policy.automatically_initiate;
2336         call=linphone_core_invite_with_params(lc,url,p);
2337         linphone_call_params_destroy(p);
2338         return call;
2339 }
2340
2341
2342 /**
2343  * Initiates an outgoing call according to supplied call parameters
2344  *
2345  * @ingroup call_control
2346  * @param lc the LinphoneCore object
2347  * @param url the destination of the call (sip address, or phone number).
2348  * @param p call parameters
2349  *
2350  * The application doesn't own a reference to the returned LinphoneCall object.
2351  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2352  *
2353  * @return a LinphoneCall object or NULL in case of failure
2354 **/
2355 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2356         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2357         if (addr){
2358                 LinphoneCall *call;
2359                 call=linphone_core_invite_address_with_params(lc,addr,p);
2360                 linphone_address_destroy(addr);
2361                 return call;
2362         }
2363         return NULL;
2364 }
2365
2366 /**
2367  * Initiates an outgoing call given a destination LinphoneAddress
2368  *
2369  * @ingroup call_control
2370  * @param lc the LinphoneCore object
2371  * @param addr the destination of the call (sip address).
2372  *
2373  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2374  * created by linphone_core_interpret_url().
2375  * The application doesn't own a reference to the returned LinphoneCall object.
2376  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2377  *
2378  * @return a LinphoneCall object or NULL in case of failure
2379 **/
2380 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2381         LinphoneCall *call;
2382         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2383         p->has_video &= !!lc->video_policy.automatically_initiate;
2384         call=linphone_core_invite_address_with_params (lc,addr,p);
2385         linphone_call_params_destroy(p);
2386         return call;
2387 }
2388
2389
2390 /**
2391  * Initiates an outgoing call given a destination LinphoneAddress
2392  *
2393  * @ingroup call_control
2394  * @param lc the LinphoneCore object
2395  * @param addr the destination of the call (sip address).
2396         @param params call parameters
2397  *
2398  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2399  * created by linphone_core_interpret_url().
2400  * The application doesn't own a reference to the returned LinphoneCall object.
2401  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2402  *
2403  * @return a LinphoneCall object or NULL in case of failure
2404 **/
2405 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2406 {
2407         const char *route=NULL;
2408         const char *from=NULL;
2409         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2410         LinphoneAddress *parsed_url2=NULL;
2411         char *real_url=NULL;
2412         LinphoneCall *call;
2413         bool_t use_ice = FALSE;
2414
2415         linphone_core_preempt_sound_resources(lc);
2416
2417         if(!linphone_core_can_we_add_call(lc)){
2418                 if (lc->vtable.display_warning)
2419                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2420                 return NULL;
2421         }
2422         linphone_core_get_default_proxy(lc,&proxy);
2423         route=linphone_core_get_route(lc);
2424
2425         real_url=linphone_address_as_string(addr);
2426         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2427
2428         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2429                 ms_message("Overriding default proxy setting for this call:");
2430                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2431         }
2432
2433         if (dest_proxy!=NULL)
2434                 from=linphone_proxy_config_get_identity(dest_proxy);
2435         else if (proxy!=NULL)
2436                 from=linphone_proxy_config_get_identity(proxy);
2437
2438         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2439         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2440
2441         parsed_url2=linphone_address_new(from);
2442
2443         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2444         call->dest_proxy=dest_proxy;
2445         sal_op_set_route(call->op,route);
2446
2447         if(linphone_core_add_call(lc,call)!= 0)
2448         {
2449                 ms_warning("we had a problem in adding the call into the invite ... weird");
2450                 linphone_call_unref(call);
2451                 return NULL;
2452         }
2453         /* this call becomes now the current one*/
2454         lc->current_call=call;
2455         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2456         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2457                 /* Defer the start of the call after the ICE gathering process. */
2458                 linphone_call_init_media_streams(call);
2459                 linphone_call_start_media_streams_for_ice_gathering(call);
2460                 call->start_time=time(NULL);
2461                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2462                         /* Ice candidates gathering failed, proceed with the call anyway. */
2463                         linphone_call_delete_ice_session(call);
2464                         linphone_call_stop_media_streams_for_ice_gathering(call);
2465                 } else {
2466                         use_ice = TRUE;
2467                 }
2468         }
2469
2470         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2471                 /*defer the start of the call after the OPTIONS ping*/
2472                 call->ping_replied=FALSE;
2473                 call->ping_op=sal_op_new(lc->sal);
2474                 sal_ping(call->ping_op,from,real_url);
2475                 sal_op_set_user_pointer(call->ping_op,call);
2476                 call->start_time=time(NULL);
2477         }else{
2478                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2479         }
2480
2481         if (real_url!=NULL) ms_free(real_url);
2482         return call;
2483 }
2484
2485 /**
2486  * Performs a simple call transfer to the specified destination.
2487  *
2488  * The remote endpoint is expected to issue a new call to the specified destination.
2489  * The current call remains active and thus can be later paused or terminated.
2490 **/
2491 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2492 {
2493         char *real_url=NULL;
2494         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2495
2496         if (!real_parsed_url){
2497                 /* bad url */
2498                 return -1;
2499         }
2500         if (call==NULL){
2501                 ms_warning("No established call to refer.");
2502                 return -1;
2503         }
2504         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2505         real_url=linphone_address_as_string (real_parsed_url);
2506         sal_call_refer(call->op,real_url);
2507         ms_free(real_url);
2508         linphone_address_destroy(real_parsed_url);
2509         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2510         return 0;
2511 }
2512
2513 /**
2514  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2515  * @param lc linphone core object
2516  * @param call a running call you want to transfer
2517  * @param dest a running call whose remote person will receive the transfer
2518  *
2519  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2520  * The destination call is a call previously established to introduce the transfered person.
2521  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2522  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2523  * close the call with us (the 'dest' call).
2524 **/
2525 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2526         int result = sal_call_refer_with_replaces (call->op,dest->op);
2527         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2528         return result;
2529 }
2530
2531 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2532         LinphoneCall *call = linphone_core_get_current_call(lc);
2533         if(call != NULL)
2534         {
2535                 if(call->dir==LinphoneCallIncoming
2536                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2537                         return TRUE;
2538         }
2539         return FALSE;
2540 }
2541
2542 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2543         char *barmesg;
2544         char *tmp;
2545         LinphoneAddress *from_parsed;
2546         SalMediaDescription *md;
2547         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2548         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2549
2550         call->localdesc=create_local_media_description(lc,call);
2551         sal_call_set_local_media_description(call->op,call->localdesc);
2552         md=sal_call_get_final_media_description(call->op);
2553         if (md && sal_media_description_empty(md)){
2554                 sal_call_decline(call->op,SalReasonMedia,NULL);
2555                 linphone_call_unref(call);
2556                 return;
2557         }
2558
2559         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2560         linphone_address_clean(from_parsed);
2561         tmp=linphone_address_as_string(from_parsed);
2562         linphone_address_destroy(from_parsed);
2563         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2564             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2565         if (lc->vtable.show) lc->vtable.show(lc);
2566         if (lc->vtable.display_status)
2567             lc->vtable.display_status(lc,barmesg);
2568
2569         /* play the ring if this is the only call*/
2570         if (ms_list_size(lc->calls)==1){
2571                 lc->current_call=call;
2572                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2573                         ring_stop(lc->ringstream);
2574                         lc->ringstream=NULL;
2575                         lc->dmfs_playing_start_time=0;
2576                 }
2577                 if (lc->sound_conf.ring_sndcard!=NULL){
2578                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2579                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2580                                 ms_message("Starting local ring...");
2581                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2582                         }
2583                         else
2584                         {
2585                                 ms_message("the local ring is already started");
2586                         }
2587                 }
2588         }else{
2589                 /* else play a tone within the context of the current call */
2590                 call->ringing_beep=TRUE;
2591                 linphone_core_play_tone(lc);
2592         }
2593
2594         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2595
2596         if (call->state==LinphoneCallIncomingReceived){
2597                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2598
2599                 if (propose_early_media || ringback_tone!=NULL){
2600                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2601                         md=sal_call_get_final_media_description(call->op);
2602                         linphone_core_update_streams(lc,call,md);
2603                 }
2604                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2605                         linphone_core_accept_call(lc,call);
2606                 }
2607         }
2608         linphone_call_unref(call);
2609
2610         ms_free(barmesg);
2611         ms_free(tmp);
2612 }
2613
2614 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2615         const char *subject;
2616         call->camera_active=call->params.has_video;
2617         if (call->ice_session != NULL)
2618                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2619
2620         if (call->params.in_conference){
2621                 subject="Conference";
2622         }else{
2623                 subject="Media change";
2624         }
2625         if (lc->vtable.display_status)
2626                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2627         sal_call_set_local_media_description (call->op,call->localdesc);
2628         return sal_call_update(call->op,subject);
2629 }
2630
2631 /**
2632  * @ingroup call_control
2633  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2634  *
2635  * In this version this is limited to the following use cases:
2636  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2637  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2638  *
2639  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2640  * @param lc the core
2641  * @param call the call to be updated
2642  * @param params the new call parameters to use. (may be NULL)
2643  * @return 0 if successful, -1 otherwise.
2644 **/
2645 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2646         int err=0;
2647         if (params!=NULL){
2648                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2649 #ifdef VIDEO_ENABLED
2650                 bool_t has_video = call->params.has_video;
2651                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2652                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2653                         call->videostream->ice_check_list = NULL;
2654                 }
2655                 call->params = *params;
2656                 update_local_media_description(lc, call);
2657                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2658                         /* Defer call update until the ICE candidates gathering process has finished. */
2659                         ms_message("Defer call update to gather ICE candidates");
2660                         linphone_call_init_video_stream(call);
2661                         video_stream_prepare_video(call->videostream);
2662                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2663                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2664                                 linphone_call_delete_ice_session(call);
2665                         } else return err;
2666                 }
2667 #endif
2668                 err = linphone_core_start_update_call(lc, call);
2669         }else{
2670 #ifdef VIDEO_ENABLED
2671                 if (call->videostream!=NULL){
2672                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2673                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2674                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2675                         }else video_stream_update_video_params(call->videostream);
2676                 }
2677 #endif
2678         }
2679
2680         return err;
2681 }
2682
2683 /**
2684  * @ingroup call_control
2685  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2686  *
2687  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2688  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2689  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2690  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2691  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2692  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2693  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2694  *
2695  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2696 **/
2697 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2698         if (call->state==LinphoneCallUpdatedByRemote){
2699                 call->defer_update=TRUE;
2700                 return 0;
2701         }
2702         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2703         return -1;
2704 }
2705
2706 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2707         SalMediaDescription *md;
2708         if (call->ice_session != NULL) {
2709                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2710                         /* Defer the sending of the answer until there are no losing pairs left. */
2711                         return 0;
2712                 }
2713                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2714         }
2715         sal_call_set_local_media_description(call->op,call->localdesc);
2716         sal_call_accept(call->op);
2717         md=sal_call_get_final_media_description(call->op);
2718         if (md && !sal_media_description_empty(md))
2719                 linphone_core_update_streams (lc,call,md);
2720         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2721         return 0;
2722 }
2723
2724 /**
2725  * @ingroup call_control
2726  * Accept call modifications initiated by other end.
2727  *
2728  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2729  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2730  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2731  * requested by the other party, such as whether a video stream is requested.
2732  *
2733  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2734  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2735  * If params is not NULL, then the update will be accepted according to the parameters passed.
2736  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2737  * (see linphone_call_params_enable_video()).
2738  * @param lc the linphone core object.
2739  * @param call the LinphoneCall object
2740  * @param params a LinphoneCallParams object describing the call parameters to accept.
2741  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2742 **/
2743 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2744 #ifdef VIDEO_ENABLED
2745         bool_t old_has_video = call->params.has_video;
2746 #endif
2747         if (call->state!=LinphoneCallUpdatedByRemote){
2748                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2749                          linphone_call_state_to_string(call->state));
2750                 return -1;
2751         }
2752         if (params==NULL){
2753                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2754         }else
2755                 call->params=*params;
2756
2757         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2758                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2759                 call->params.has_video=FALSE;
2760         }
2761         if (call->current_params.in_conference) {
2762                 ms_warning("Video isn't supported in conference");
2763                 call->params.has_video = FALSE;
2764         }
2765         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2766         call->camera_active=call->params.has_video;
2767         update_local_media_description(lc,call);
2768         if (call->ice_session != NULL) {
2769                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2770 #ifdef VIDEO_ENABLED
2771                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2772                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2773                                 linphone_call_init_video_stream(call);
2774                                 video_stream_prepare_video(call->videostream);
2775                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2776                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2777                                         linphone_call_delete_ice_session(call);
2778                                 } else return 0;
2779                         }
2780                 }
2781 #endif
2782         }
2783         linphone_core_start_accept_call_update(lc, call);
2784         return 0;
2785 }
2786
2787 /**
2788  * Accept an incoming call.
2789  *
2790  * @ingroup call_control
2791  * Basically the application is notified of incoming calls within the
2792  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2793  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2794  * The application can later accept the call using this method.
2795  * @param lc the LinphoneCore object
2796  * @param call the LinphoneCall object representing the call to be answered.
2797  *
2798 **/
2799 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2800         return linphone_core_accept_call_with_params(lc,call,NULL);
2801 }
2802
2803 /**
2804  * Accept an incoming call, with parameters.
2805  *
2806  * @ingroup call_control
2807  * Basically the application is notified of incoming calls within the
2808  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2809  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2810  * The application can later accept the call using
2811  * this method.
2812  * @param lc the LinphoneCore object
2813  * @param call the LinphoneCall object representing the call to be answered.
2814  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2815  *
2816 **/
2817 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2818 {
2819         LinphoneProxyConfig *cfg=NULL;
2820         const char *contact=NULL;
2821         SalOp *replaced;
2822         SalMediaDescription *new_md;
2823         bool_t was_ringing=FALSE;
2824
2825         if (call==NULL){
2826                 //if just one call is present answer the only one ...
2827                 if(linphone_core_get_calls_nb (lc) != 1)
2828                         return -1;
2829                 else
2830                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2831         }
2832
2833         if (call->state==LinphoneCallConnected){
2834                 /*call already accepted*/
2835                 return -1;
2836         }
2837
2838         /* check if this call is supposed to replace an already running one*/
2839         replaced=sal_call_get_replaces(call->op);
2840         if (replaced){
2841                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2842                 if (rc){
2843                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2844                                    call,rc);
2845                         linphone_core_terminate_call(lc,rc);
2846                 }
2847         }
2848
2849         if (lc->current_call!=call){
2850                 linphone_core_preempt_sound_resources(lc);
2851         }
2852
2853         /*stop ringing */
2854         if (lc->ringstream!=NULL) {
2855                 ms_message("stop ringing");
2856                 ring_stop(lc->ringstream);
2857                 ms_message("ring stopped");
2858                 lc->ringstream=NULL;
2859                 was_ringing=TRUE;
2860         }
2861         if (call->ringing_beep){
2862                 linphone_core_stop_dtmf(lc);
2863                 call->ringing_beep=FALSE;
2864         }
2865
2866         linphone_core_get_default_proxy(lc,&cfg);
2867         call->dest_proxy=cfg;
2868         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2869
2870         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2871                 ms_message("Overriding default proxy setting for this call:");
2872                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2873         }
2874         /*try to be best-effort in giving real local or routable contact address*/
2875         contact=get_fixed_contact(lc,call,call->dest_proxy);
2876         if (contact)
2877                 sal_op_set_contact(call->op,contact);
2878
2879         if (params){
2880                 call->params=*params;
2881                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2882                 call->camera_active=call->params.has_video;
2883                 update_local_media_description(lc,call);
2884                 sal_call_set_local_media_description(call->op,call->localdesc);
2885         }
2886
2887         if (call->audiostream==NULL)
2888                 linphone_call_init_media_streams(call);
2889         if (!was_ringing && call->audiostream->ticker==NULL){
2890                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2891         }
2892
2893         sal_call_accept(call->op);
2894         if (lc->vtable.display_status!=NULL)
2895                 lc->vtable.display_status(lc,_("Connected."));
2896         lc->current_call=call;
2897         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2898         new_md=sal_call_get_final_media_description(call->op);
2899         linphone_core_update_streams(lc, call, new_md);
2900         if (new_md){
2901                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2902         }else call->media_pending=TRUE;
2903
2904         ms_message("call answered.");
2905         return 0;
2906 }
2907
2908 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2909         sal_call_terminate(call->op);
2910
2911         /*stop ringing*/
2912         if (lc->ringstream!=NULL) {
2913                 ring_stop(lc->ringstream);
2914                 lc->ringstream=NULL;
2915         }
2916         linphone_call_stop_media_streams(call);
2917         if (lc->vtable.display_status!=NULL)
2918                 lc->vtable.display_status(lc,_("Call aborted") );
2919         linphone_call_set_state(call,LinphoneCallError,error);
2920         return 0;
2921 }
2922
2923 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2924         if (call->state==LinphoneCallIncomingReceived){
2925                 if (call->reason!=LinphoneReasonNotAnswered)
2926                         call->reason=LinphoneReasonDeclined;
2927         }
2928         /*stop ringing*/
2929         if (lc->ringstream!=NULL) {
2930                 ring_stop(lc->ringstream);
2931                 lc->ringstream=NULL;
2932         }
2933
2934         linphone_call_stop_media_streams(call);
2935         if (lc->vtable.display_status!=NULL)
2936                 lc->vtable.display_status(lc,_("Call ended") );
2937         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2938 }
2939
2940 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2941         if (call->state==LinphoneCallIncomingReceived){
2942                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2943                 call->reason=LinphoneReasonDeclined;
2944                 terminate_call(lc,call);
2945         }else{
2946                 ms_error("Bad state for call redirection.");
2947                 return -1;
2948     }
2949         return 0;
2950 }
2951
2952
2953 /**
2954  * Terminates a call.
2955  *
2956  * @ingroup call_control
2957  * @param lc the LinphoneCore
2958  * @param the_call the LinphoneCall object representing the call to be terminated.
2959 **/
2960 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2961 {
2962         LinphoneCall *call;
2963         if (the_call == NULL){
2964                 call = linphone_core_get_current_call(lc);
2965                 if (ms_list_size(lc->calls)==1){
2966                         call=(LinphoneCall*)lc->calls->data;
2967                 }else{
2968                         ms_warning("No unique call to terminate !");
2969                         return -1;
2970                 }
2971         }
2972         else
2973         {
2974                 call = the_call;
2975         }
2976         sal_call_terminate(call->op);
2977         terminate_call(lc,call);
2978         return 0;
2979 }
2980
2981 /**
2982  * Decline a pending incoming call, with a reason.
2983  * @param lc the linphone core
2984  * @param call the LinphoneCall, must be in the IncomingReceived state.
2985  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
2986 **/
2987 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
2988         SalReason sal_reason=SalReasonUnknown;
2989         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
2990                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
2991                 return -1;
2992         }
2993         switch(reason){
2994                 case LinphoneReasonDeclined:
2995                         sal_reason=SalReasonDeclined;
2996                 break;
2997                 case LinphoneReasonBusy:
2998                         sal_reason=SalReasonBusy;
2999                 break;
3000                 default:
3001                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3002                         return -1;
3003                 break;
3004         }
3005         sal_call_decline(call->op,sal_reason,NULL);
3006         terminate_call(lc,call);
3007         return 0;
3008 }
3009
3010 /**
3011  * Terminates all the calls.
3012  *
3013  * @ingroup call_control
3014  * @param lc The LinphoneCore
3015 **/
3016 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3017         MSList *calls=lc->calls;
3018         while(calls) {
3019                 LinphoneCall *c=(LinphoneCall*)calls->data;
3020                 calls=calls->next;
3021                 linphone_core_terminate_call(lc,c);
3022         }
3023         return 0;
3024 }
3025
3026 /**
3027  * Returns the current list of calls.
3028  *
3029  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3030  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3031  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3032  *
3033  * @ingroup call_control
3034 **/
3035 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3036 {
3037         return lc->calls;
3038 }
3039
3040 /**
3041  * Returns TRUE if there is a call running.
3042  *
3043  * @ingroup call_control
3044 **/
3045 bool_t linphone_core_in_call(const LinphoneCore *lc){
3046         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3047 }
3048
3049 /**
3050  * Returns The _LinphoneCall struct of the current call if one is in call
3051  *
3052  * @ingroup call_control
3053 **/
3054 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3055 {
3056         return lc->current_call;
3057 }
3058
3059 /**
3060  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3061  * this file will be played to the remote user.
3062  *
3063  * @ingroup call_control
3064 **/
3065 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3066 {
3067         const char *subject=NULL;
3068
3069         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3070                 ms_warning("Cannot pause this call, it is not active.");
3071                 return -1;
3072         }
3073         update_local_media_description(lc,call);
3074         if (call->ice_session != NULL)
3075                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3076         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3077                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3078                 subject="Call on hold";
3079         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3080                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3081                 subject="Call on hold for me too";
3082         }else{
3083                 ms_error("No reason to pause this call, it is already paused or inactive.");
3084                 return -1;
3085         }
3086         sal_call_set_local_media_description(call->op,call->localdesc);
3087         if (sal_call_update(call->op,subject) != 0){
3088                 if (lc->vtable.display_warning)
3089                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3090         }
3091         lc->current_call=NULL;
3092         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3093         if (lc->vtable.display_status)
3094                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3095         if (call->audiostream || call->videostream)
3096                 linphone_call_stop_media_streams (call);
3097         return 0;
3098 }
3099
3100 /**
3101  * Pause all currently running calls.
3102 **/
3103 int linphone_core_pause_all_calls(LinphoneCore *lc){
3104         const MSList *elem;
3105         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3106                 LinphoneCall *call=(LinphoneCall *)elem->data;
3107                 LinphoneCallState cs=linphone_call_get_state(call);
3108                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3109                         linphone_core_pause_call(lc,call);
3110                 }
3111         }
3112         return 0;
3113 }
3114
3115 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3116         LinphoneCall *current_call;
3117         if (linphone_core_is_in_conference(lc)){
3118                 linphone_core_leave_conference(lc);
3119                 return;
3120         }
3121         current_call=linphone_core_get_current_call(lc);
3122         if(current_call != NULL){
3123                 ms_message("Pausing automatically the current call.");
3124                 linphone_core_pause_call(lc,current_call);
3125         }
3126 }
3127
3128 /**
3129  * Resumes the call.
3130  *
3131  * @ingroup call_control
3132 **/
3133 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3134 {
3135         char temp[255]={0};
3136         LinphoneCall *call = the_call;
3137         const char *subject="Call resuming";
3138
3139         if(call->state!=LinphoneCallPaused ){
3140                 ms_warning("we cannot resume a call that has not been established and paused before");
3141                 return -1;
3142         }
3143         if (call->params.in_conference==FALSE){
3144                 linphone_core_preempt_sound_resources(lc);
3145                 ms_message("Resuming call %p",call);
3146         }
3147
3148         /* Stop playing music immediately. If remote side is a conference it
3149          prevents the participants to hear it while the 200OK comes back.*/
3150         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3151
3152         update_local_media_description(lc,the_call);
3153         if (call->ice_session != NULL)
3154                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3155         sal_call_set_local_media_description(call->op,call->localdesc);
3156         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3157         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3158         if(sal_call_update(call->op,subject) != 0){
3159                 return -1;
3160         }
3161         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3162         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3163         if (lc->vtable.display_status)
3164                 lc->vtable.display_status(lc,temp);
3165         return 0;
3166 }
3167
3168 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3169         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3170         return !linphone_address_weak_equal (addr,raddr);
3171 }
3172
3173 /**
3174  * Get the call with the remote_address specified
3175  * @param lc
3176  * @param remote_address
3177  * @return the LinphoneCall of the call if found
3178  */
3179 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3180         LinphoneAddress *raddr=linphone_address_new(remote_address);
3181         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3182         if (elem) return (LinphoneCall*) elem->data;
3183         return NULL;
3184 }
3185
3186 int linphone_core_send_publish(LinphoneCore *lc,
3187                                LinphoneOnlineStatus presence_mode)
3188 {
3189         const MSList *elem;
3190         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3191                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3192                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3193         }
3194         return 0;
3195 }
3196
3197 /**
3198  * Set the incoming call timeout in seconds.
3199  *
3200  * @ingroup call_control
3201  * If an incoming call isn't answered for this timeout period, it is
3202  * automatically declined.
3203 **/
3204 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3205         lc->sip_conf.inc_timeout=seconds;
3206 }
3207
3208 /**
3209  * Returns the incoming call timeout
3210  *
3211  * @ingroup call_control
3212  * See linphone_core_set_inc_timeout() for details.
3213 **/
3214 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3215         return lc->sip_conf.inc_timeout;
3216 }
3217
3218 /**
3219  * Set the in call timeout in seconds.
3220  *
3221  * @ingroup call_control
3222  * After this timeout period, the call is automatically hangup.
3223 **/
3224 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3225         lc->sip_conf.in_call_timeout=seconds;
3226 }
3227
3228 /**
3229  * Returns the in call timeout
3230  *
3231  * @ingroup call_control
3232  * See linphone_core_set_in_call_timeout() for details.
3233 **/
3234 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3235         return lc->sip_conf.in_call_timeout;
3236 }
3237
3238 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3239                                                                                                         const char *contact,
3240                                                                                                         LinphoneOnlineStatus presence_mode)
3241 {
3242         if (minutes_away>0) lc->minutes_away=minutes_away;
3243
3244         if (lc->alt_contact!=NULL) {
3245                 ms_free(lc->alt_contact);
3246                 lc->alt_contact=NULL;
3247         }
3248         if (contact) lc->alt_contact=ms_strdup(contact);
3249         if (lc->presence_mode!=presence_mode){
3250                 linphone_core_notify_all_friends(lc,presence_mode);
3251                 /*
3252                    Improve the use of all LINPHONE_STATUS available.
3253                    !TODO Do not mix "presence status" with "answer status code"..
3254                    Use correct parameter to follow sip_if_match/sip_etag.
3255                  */
3256                 linphone_core_send_publish(lc,presence_mode);
3257         }
3258         lc->presence_mode=presence_mode;
3259 }
3260
3261 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3262         return lc->presence_mode;
3263 }
3264
3265 /**
3266  * Get playback sound level in 0-100 scale.
3267  *
3268  * @ingroup media_parameters
3269 **/
3270 int linphone_core_get_play_level(LinphoneCore *lc)
3271 {
3272         return lc->sound_conf.play_lev;
3273 }
3274
3275 /**
3276  * Get ring sound level in 0-100 scale
3277  *
3278  * @ingroup media_parameters
3279 **/
3280 int linphone_core_get_ring_level(LinphoneCore *lc)
3281 {
3282         return lc->sound_conf.ring_lev;
3283 }
3284
3285 /**
3286  * Get sound capture level in 0-100 scale
3287  *
3288  * @ingroup media_parameters
3289 **/
3290 int linphone_core_get_rec_level(LinphoneCore *lc){
3291         return lc->sound_conf.rec_lev;
3292 }
3293
3294 /**
3295  * Set sound ring level in 0-100 scale
3296  *
3297  * @ingroup media_parameters
3298 **/
3299 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3300         MSSndCard *sndcard;
3301         lc->sound_conf.ring_lev=level;
3302         sndcard=lc->sound_conf.ring_sndcard;
3303         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3304 }
3305
3306 /**
3307  * Allow to control play level before entering sound card:  gain in db
3308  *
3309  * @ingroup media_parameters
3310 **/
3311 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3312         float gain=gaindb;
3313         LinphoneCall *call=linphone_core_get_current_call (lc);
3314         AudioStream *st;
3315
3316         lc->sound_conf.soft_play_lev=gaindb;
3317
3318         if (call==NULL || (st=call->audiostream)==NULL){
3319                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3320                 return;
3321         }
3322         if (st->volrecv){
3323                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3324         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3325 }
3326
3327 /**
3328  * Get playback gain in db before entering  sound card.
3329  *
3330  * @ingroup media_parameters
3331 **/
3332 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3333         return lc->sound_conf.soft_play_lev;
3334 }
3335
3336 /**
3337  * Set sound playback level in 0-100 scale
3338  *
3339  * @ingroup media_parameters
3340 **/
3341 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3342         MSSndCard *sndcard;
3343         lc->sound_conf.play_lev=level;
3344         sndcard=lc->sound_conf.play_sndcard;
3345         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3346 }
3347
3348 /**
3349  * Set sound capture level in 0-100 scale
3350  *
3351  * @ingroup media_parameters
3352 **/
3353 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3354 {
3355         MSSndCard *sndcard;
3356         lc->sound_conf.rec_lev=level;
3357         sndcard=lc->sound_conf.capt_sndcard;
3358         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3359 }
3360
3361 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3362         MSSndCard *sndcard=NULL;
3363         if (devid!=NULL){
3364                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3365                 if (sndcard!=NULL &&
3366                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3367                         ms_warning("%s card does not have the %s capability, ignoring.",
3368                                 devid,
3369                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3370                         sndcard=NULL;
3371                 }
3372         }
3373         if (sndcard==NULL) {
3374                 /* get a card that has read+write capabilities */
3375                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3376                 /* otherwise refine to the first card having the right capability*/
3377                 if (sndcard==NULL){
3378                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3379                         for(;elem!=NULL;elem=elem->next){
3380                                 sndcard=(MSSndCard*)elem->data;
3381                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3382                         }
3383                 }
3384                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3385                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3386                         if (elem) sndcard=(MSSndCard*)elem->data;
3387         }
3388         }
3389         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3390         return sndcard;
3391 }
3392
3393 /**
3394  * Returns true if the specified sound device can capture sound.
3395  *
3396  * @ingroup media_parameters
3397  * @param lc The LinphoneCore object
3398  * @param devid the device name as returned by linphone_core_get_sound_devices()
3399 **/
3400 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3401         MSSndCard *sndcard;
3402         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3403         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3404         return FALSE;
3405 }
3406
3407 /**
3408  * Returns true if the specified sound device can play sound.
3409  *
3410  * @ingroup media_parameters
3411  * @param lc The LinphoneCore object
3412  * @param devid the device name as returned by linphone_core_get_sound_devices()
3413 **/
3414 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3415         MSSndCard *sndcard;
3416         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3417         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3418         return FALSE;
3419 }
3420
3421 /**
3422  * Sets the sound device used for ringing.
3423  *
3424  * @ingroup media_parameters
3425  * @param lc The LinphoneCore object
3426  * @param devid the device name as returned by linphone_core_get_sound_devices()
3427 **/
3428 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3429         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3430         lc->sound_conf.ring_sndcard=card;
3431         if (card && linphone_core_ready(lc))
3432                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3433         return 0;
3434 }
3435
3436 /**
3437  * Sets the sound device used for playback.
3438  *
3439  * @ingroup media_parameters
3440  * @param lc The LinphoneCore object
3441  * @param devid the device name as returned by linphone_core_get_sound_devices()
3442 **/
3443 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3444         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3445         lc->sound_conf.play_sndcard=card;
3446         if (card &&  linphone_core_ready(lc))
3447                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3448         return 0;
3449 }
3450
3451 /**
3452  * Sets the sound device used for capture.
3453  *
3454  * @ingroup media_parameters
3455  * @param lc The LinphoneCore object
3456  * @param devid the device name as returned by linphone_core_get_sound_devices()
3457 **/
3458 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3459         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3460         lc->sound_conf.capt_sndcard=card;
3461         if (card &&  linphone_core_ready(lc))
3462                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3463         return 0;
3464 }
3465
3466 /**
3467  * Returns the name of the currently assigned sound device for ringing.
3468  *
3469  * @ingroup media_parameters
3470  * @param lc The LinphoneCore object
3471 **/
3472 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3473 {
3474         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3475         return NULL;
3476 }
3477
3478 /**
3479  * Returns the name of the currently assigned sound device for playback.
3480  *
3481  * @ingroup media_parameters
3482  * @param lc The LinphoneCore object
3483 **/
3484 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3485 {
3486         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3487 }
3488
3489 /**
3490  * Returns the name of the currently assigned sound device for capture.
3491  *
3492  * @ingroup media_parameters
3493  * @param lc The LinphoneCore object
3494 **/
3495 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3496 {
3497         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3498 }
3499
3500 /**
3501  * Returns an unmodifiable array of available sound devices.
3502  *
3503  * The array is NULL terminated.
3504  *
3505  * @ingroup media_parameters
3506  * @param lc The LinphoneCore object
3507 **/
3508 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3509         return lc->sound_conf.cards;
3510 }
3511
3512 /**
3513  * Returns an unmodifiable array of available video capture devices.
3514  *
3515  * @ingroup media_parameters
3516  * The array is NULL terminated.
3517 **/
3518 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3519         return lc->video_conf.cams;
3520 }
3521
3522 /**
3523  * Update detection of sound devices.
3524  *
3525  * Use this function when the application is notified of USB plug events, so that
3526  * list of available hardwares for sound playback and capture is updated.
3527  **/
3528 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3529         const char *ringer,*playback,*capture;
3530         ringer=linphone_core_get_ringer_device(lc);
3531         playback=linphone_core_get_playback_device(lc);
3532         capture=linphone_core_get_capture_device(lc);
3533         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3534         build_sound_devices_table(lc);
3535         linphone_core_set_ringer_device(lc,ringer);
3536         linphone_core_set_playback_device(lc,playback);
3537         linphone_core_set_capture_device(lc,capture);
3538 }
3539
3540 /**
3541  * Update detection of camera devices.
3542  *
3543  * Use this function when the application is notified of USB plug events, so that
3544  * list of available hardwares for video capture is updated.
3545  **/
3546 void linphone_core_reload_video_devices(LinphoneCore *lc){
3547         const char *devid;
3548         devid=linphone_core_get_video_device(lc);
3549         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3550         build_video_devices_table(lc);
3551         linphone_core_set_video_device(lc,devid);
3552 }
3553
3554 char linphone_core_get_sound_source(LinphoneCore *lc)
3555 {
3556         return lc->sound_conf.source;
3557 }
3558
3559 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3560 {
3561         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3562         lc->sound_conf.source=source;
3563         if (!sndcard) return;
3564         switch(source){
3565                 case 'm':
3566                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3567                         break;
3568                 case 'l':
3569                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3570                         break;
3571         }
3572
3573 }
3574
3575
3576 /**
3577  * Sets the path to a wav file used for ringing.
3578  *
3579  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3580  * @param lc The LinphoneCore object
3581  *
3582  * @ingroup media_parameters
3583 **/
3584 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3585         if (lc->sound_conf.local_ring!=0){
3586                 ms_free(lc->sound_conf.local_ring);
3587                 lc->sound_conf.local_ring=NULL;
3588         }
3589         if (path)
3590                 lc->sound_conf.local_ring=ms_strdup(path);
3591         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3592                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3593 }
3594
3595 /**
3596  * Returns the path to the wav file used for ringing.
3597  *
3598  * @param lc The LinphoneCore object
3599  * @ingroup media_parameters
3600 **/
3601 const char *linphone_core_get_ring(const LinphoneCore *lc){
3602         return lc->sound_conf.local_ring;
3603 }
3604
3605 /**
3606  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3607  *
3608  * @param path
3609  * @param lc The LinphoneCore object
3610  *
3611  * @ingroup media_parameters
3612 **/
3613 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3614         sal_set_root_ca(lc->sal, path);
3615 }
3616
3617 /**
3618  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3619 **/
3620 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3621         sal_verify_server_certificates(lc->sal,yesno);
3622 }
3623
3624 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3625         LinphoneCore *lc=(LinphoneCore*)ud;
3626         lc->preview_finished=1;
3627 }
3628
3629 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3630 {
3631         if (lc->ringstream!=0){
3632                 ms_warning("Cannot start ring now,there's already a ring being played");
3633                 return -1;
3634         }
3635         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3636         lc->preview_finished=0;
3637         if (lc->sound_conf.ring_sndcard!=NULL){
3638                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3639                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3640         }
3641         return 0;
3642 }
3643
3644 /**
3645  * Sets the path to a wav file used for ringing back.
3646  *
3647  * Ringback means the ring that is heard when it's ringing at the remote party.
3648  * The file must be a wav 16bit linear.
3649  *
3650  * @ingroup media_parameters
3651 **/
3652 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3653         if (lc->sound_conf.remote_ring!=0){
3654                 ms_free(lc->sound_conf.remote_ring);
3655         }
3656         lc->sound_conf.remote_ring=ms_strdup(path);
3657 }
3658
3659 /**
3660  * Returns the path to the wav file used for ringing back.
3661  *
3662  * @ingroup media_parameters
3663 **/
3664 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3665         return lc->sound_conf.remote_ring;
3666 }
3667
3668 /**
3669  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3670  *
3671  * @ingroup media_parameters
3672 **/
3673 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3674         lc->sound_conf.ec=val;
3675         if ( linphone_core_ready(lc))
3676                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3677 }
3678
3679
3680 /**
3681  * Returns TRUE if echo cancellation is enabled.
3682  *
3683  * @ingroup media_parameters
3684 **/
3685 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3686         return lc->sound_conf.ec;
3687 }
3688
3689 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3690         lc->sound_conf.ea=val;
3691 }
3692
3693 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3694         return lc->sound_conf.ea;
3695 }
3696
3697 /**
3698  * Mutes or unmutes the local microphone.
3699  *
3700  * @ingroup media_parameters
3701 **/
3702 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3703         LinphoneCall *call=linphone_core_get_current_call(lc);
3704         AudioStream *st=NULL;
3705         if (linphone_core_is_in_conference(lc)){
3706                 lc->conf_ctx.local_muted=val;
3707                 st=lc->conf_ctx.local_participant;
3708         }else if (call==NULL){
3709                 ms_warning("linphone_core_mute_mic(): No current call !");
3710                 return;
3711         }else{
3712                 st=call->audiostream;
3713                 call->audio_muted=val;
3714         }
3715         if (st!=NULL){
3716                 audio_stream_set_mic_gain(st,
3717                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3718                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3719                         audio_stream_mute_rtp(st,val);
3720                 }
3721
3722         }
3723 }
3724 /**
3725  * Returns whether microphone is muted.
3726 **/
3727 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3728         LinphoneCall *call=linphone_core_get_current_call(lc);
3729         if (linphone_core_is_in_conference(lc)){
3730                 return lc->conf_ctx.local_muted;
3731         }else if (call==NULL){
3732                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3733                 return FALSE;
3734         }
3735         return call->audio_muted;
3736 }
3737
3738 // returns rtp transmission status for an active stream
3739 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3740 // was set on then rtp transmission is also muted
3741 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3742         LinphoneCall *call=linphone_core_get_current_call(lc);
3743         if (call==NULL){
3744                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3745                 return FALSE;
3746         }
3747         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3748                 return call->audio_muted;
3749         }
3750         return FALSE;
3751 }
3752
3753 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3754         lc->sound_conf.agc=val;
3755 }
3756
3757 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3758         return lc->sound_conf.agc;
3759 }
3760
3761 /**
3762  * Send the specified dtmf.
3763  *
3764  * @ingroup media_parameters
3765  * This function only works during calls. The dtmf is automatically played to the user.
3766  * @param lc The LinphoneCore object
3767  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3768  *
3769 **/
3770 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3771 {
3772         LinphoneCall *call=linphone_core_get_current_call(lc);
3773         if (call==NULL){
3774                 ms_warning("linphone_core_send_dtmf(): no active call");
3775                 return;
3776         }
3777         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3778         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3779         {
3780                 /* In Band DTMF */
3781                 if (call->audiostream!=NULL){
3782                         audio_stream_send_dtmf(call->audiostream,dtmf);
3783                 }
3784                 else
3785                 {
3786                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3787                 }
3788         }
3789         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3790                 /* Out of Band DTMF (use INFO method) */
3791                 sal_call_send_dtmf(call->op,dtmf);
3792         }
3793 }
3794
3795 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3796         if (lc->net_conf.stun_server!=NULL)
3797                 ms_free(lc->net_conf.stun_server);
3798         if (server)
3799                 lc->net_conf.stun_server=ms_strdup(server);
3800         else lc->net_conf.stun_server=NULL;
3801         if (linphone_core_ready(lc))
3802                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3803 }
3804
3805 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3806         return lc->net_conf.stun_server;
3807 }
3808
3809 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3810         return lc->net_conf.relay;
3811 }
3812
3813 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3814         if (lc->net_conf.relay!=NULL){
3815                 ms_free(lc->net_conf.relay);
3816                 lc->net_conf.relay=NULL;
3817         }
3818         if (addr){
3819                 lc->net_conf.relay=ms_strdup(addr);
3820         }
3821         return 0;
3822 }
3823
3824 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3825 {
3826         if (lc->net_conf.nat_address!=NULL){
3827                 ms_free(lc->net_conf.nat_address);
3828         }
3829         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3830         else lc->net_conf.nat_address=NULL;
3831         if (lc->sip_conf.contact) update_primary_contact(lc);
3832 }
3833
3834 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3835         return lc->net_conf.nat_address;
3836 }
3837
3838 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3839 {
3840         struct sockaddr_storage ss;
3841         socklen_t ss_len;
3842         int error;
3843         char ipstring [INET6_ADDRSTRLEN];
3844
3845         if (lc->net_conf.nat_address==NULL) return NULL;
3846
3847         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3848                 return lc->net_conf.nat_address;
3849         }
3850
3851         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3852                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3853         if (error) {
3854                 return lc->net_conf.nat_address;
3855         }
3856
3857         if (lc->net_conf.nat_address_ip!=NULL){
3858                 ms_free(lc->net_conf.nat_address_ip);
3859         }
3860         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3861         return lc->net_conf.nat_address_ip;
3862 }
3863
3864 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3865         lc->net_conf.firewall_policy=pol;
3866         if (lc->sip_conf.contact) update_primary_contact(lc);
3867         if (linphone_core_ready(lc))
3868                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3869 }
3870
3871 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3872         return lc->net_conf.firewall_policy;
3873 }
3874
3875 /**
3876  * Get the list of call logs (past calls).
3877  *
3878  * @ingroup call_logs
3879 **/
3880 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3881         return lc->call_logs;
3882 }
3883
3884 /**
3885  * Erase the call log.
3886  *
3887  * @ingroup call_logs
3888 **/
3889 void linphone_core_clear_call_logs(LinphoneCore *lc){
3890         lc->missed_calls=0;
3891         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3892         lc->call_logs=ms_list_free(lc->call_logs);
3893         call_logs_write_to_config_file(lc);
3894 }
3895
3896 /**
3897  * Returns number of missed calls.
3898  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3899 **/
3900 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3901         return lc->missed_calls;
3902 }
3903
3904 /**
3905  * Resets the counter of missed calls.
3906 **/
3907 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3908         lc->missed_calls=0;
3909 }
3910
3911 /**
3912  * Remove a specific call log from call history list.
3913  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3914  * @param lc the linphone core object
3915  * @param a LinphoneCallLog object.
3916 **/
3917 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3918         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3919         call_logs_write_to_config_file(lc);
3920         linphone_call_log_destroy(cl);
3921 }
3922
3923 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3924 #ifdef VIDEO_ENABLED
3925         if (val){
3926                 if (lc->previewstream==NULL){
3927                         lc->previewstream=video_preview_new();
3928                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3929                         if (lc->video_conf.displaytype)
3930                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3931                         if (lc->preview_window_id!=0)
3932                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3933                         video_preview_start(lc->previewstream,lc->video_conf.device);
3934                 }
3935         }else{
3936                 if (lc->previewstream!=NULL){
3937                         video_preview_stop(lc->previewstream);
3938                         lc->previewstream=NULL;
3939                 }
3940         }
3941 #endif
3942 }
3943
3944 /**
3945  * Enables video globally.
3946  *
3947  * @ingroup media_parameters
3948  * This function does not have any effect during calls. It just indicates LinphoneCore to
3949  * initiate future calls with video or not. The two boolean parameters indicate in which
3950  * direction video is enabled. Setting both to false disables video entirely.
3951  *
3952  * @param lc The LinphoneCore object
3953  * @param vcap_enabled indicates whether video capture is enabled
3954  * @param display_enabled indicates whether video display should be shown
3955  *
3956 **/
3957 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3958 #ifndef VIDEO_ENABLED
3959         if (vcap_enabled || display_enabled)
3960                 ms_warning("This version of linphone was built without video support.");
3961 #endif
3962         lc->video_conf.capture=vcap_enabled;
3963         lc->video_conf.display=display_enabled;
3964         if (linphone_core_ready(lc)){
3965                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3966                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3967         }
3968         /* need to re-apply network bandwidth settings*/
3969         linphone_core_set_download_bandwidth(lc,
3970                 linphone_core_get_download_bandwidth(lc));
3971         linphone_core_set_upload_bandwidth(lc,
3972                 linphone_core_get_upload_bandwidth(lc));
3973 }
3974
3975 bool_t linphone_core_video_supported(LinphoneCore *lc){
3976 #ifdef VIDEO_ENABLED
3977         return TRUE;
3978 #else
3979         return FALSE;
3980 #endif
3981 }
3982
3983 /**
3984  * Returns TRUE if video is enabled, FALSE otherwise.
3985  * @ingroup media_parameters
3986 **/
3987 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3988         return (lc->video_conf.display || lc->video_conf.capture);
3989 }
3990
3991 /**
3992  * Sets the default policy for video.
3993  * This policy defines whether:
3994  * - video shall be initiated by default for outgoing calls
3995  * - video shall be accepter by default for incoming calls
3996  * @ingroup media_parameters
3997 **/
3998 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3999         lc->video_policy=*policy;
4000         if (linphone_core_ready(lc)){
4001                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4002                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4003         }
4004 }
4005
4006 /**
4007  * Get the default policy for video.
4008  * See linphone_core_set_video_policy() for more details.
4009  * @ingroup media_parameters
4010 **/
4011 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4012         return &lc->video_policy;
4013 }
4014
4015 /**
4016  * Controls video preview enablement.
4017  *
4018  * @ingroup media_parameters
4019  * Video preview refers to the action of displaying the local webcam image
4020  * to the user while not in call.
4021 **/
4022 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4023         lc->video_conf.show_local=val;
4024         if (linphone_core_ready(lc))
4025                 lp_config_set_int(lc->config,"video","show_local",val);
4026 }
4027
4028 /**
4029  * Returns TRUE if video previewing is enabled.
4030  * @ingroup media_parameters
4031 **/
4032 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4033         return lc->video_conf.show_local;
4034 }
4035
4036 /**
4037  * Enables or disable self view during calls.
4038  *
4039  * @ingroup media_parameters
4040  * Self-view refers to having local webcam image inserted in corner
4041  * of the video window during calls.
4042  * This function works at any time, including during calls.
4043 **/
4044 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4045 #ifdef VIDEO_ENABLED
4046         LinphoneCall *call=linphone_core_get_current_call (lc);
4047         lc->video_conf.selfview=val;
4048         if (call && call->videostream){
4049                 video_stream_enable_self_view(call->videostream,val);
4050         }
4051         if (linphone_core_ready(lc)){
4052                 lp_config_set_int(lc->config,"video","self_view",val);
4053         }
4054 #endif
4055 }
4056
4057 /**
4058  * Returns TRUE if self-view is enabled, FALSE otherwise.
4059  *
4060  * @ingroup media_parameters
4061  *
4062  * Refer to linphone_core_enable_self_view() for details.
4063 **/
4064 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4065         return lc->video_conf.selfview;
4066 }
4067
4068 /**
4069  * Sets the active video device.
4070  *
4071  * @ingroup media_parameters
4072  * @param lc The LinphoneCore object
4073  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4074 **/
4075 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4076         MSWebCam *olddev=lc->video_conf.device;
4077         const char *vd;
4078         if (id!=NULL){
4079                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4080                 if (lc->video_conf.device==NULL){
4081                         ms_warning("Could not find video device %s",id);
4082                 }
4083         }
4084         if (lc->video_conf.device==NULL)
4085                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4086         if (olddev!=NULL && olddev!=lc->video_conf.device){
4087                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4088         }
4089         if ( linphone_core_ready(lc) && lc->video_conf.device){
4090                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4091                 if (vd && strstr(vd,"Static picture")!=NULL){
4092                         vd=NULL;
4093                 }
4094                 lp_config_set_string(lc->config,"video","device",vd);
4095         }
4096         return 0;
4097 }
4098
4099 /**
4100  * Returns the name of the currently active video device.
4101  *
4102  * @param lc The LinphoneCore object
4103  * @ingroup media_parameters
4104 **/
4105 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4106         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4107         return NULL;
4108 }
4109
4110 #ifdef VIDEO_ENABLED
4111 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4112         VideoStream *vs = NULL;
4113         LinphoneCall *call=linphone_core_get_current_call (lc);
4114         /* Select the video stream from the call in the first place */
4115         if (call && call->videostream) {
4116                 vs = call->videostream;
4117         }
4118         /* If not in call, select the video stream from the preview */
4119         if (vs == NULL && lc->previewstream) {
4120                 vs = lc->previewstream;
4121         }
4122         return vs;
4123 }
4124 #endif
4125
4126 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4127 #ifdef VIDEO_ENABLED
4128         VideoStream *vs=get_active_video_stream(lc);
4129         /* If we have a video stream (either preview, either from call), we
4130                  have a source and it is using the static picture filter, then
4131                  force the filter to use that picture. */
4132         if (vs && vs->source) {
4133                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4134                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4135                                                                                                                 (void *)path);
4136                 }
4137         }
4138         /* Tell the static image filter to use that image from now on so
4139                  that the image will be used next time it has to be read */
4140         ms_static_image_set_default_image(path);
4141 #else
4142         ms_warning("Video support not compiled.");
4143 #endif
4144         return 0;
4145 }
4146
4147 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4148 #ifdef VIDEO_ENABLED
4149         VideoStream *vs = NULL;
4150
4151         vs=get_active_video_stream(lc);
4152
4153         /* If we have a video stream (either preview, either from call), we
4154                  have a source and it is using the static picture filter, then
4155                  force the filter to use that picture. */
4156         if (vs && vs->source) {
4157                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4158                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4159                 }
4160         }
4161 #else
4162         ms_warning("Video support not compiled.");
4163 #endif
4164         return 0;
4165 }
4166
4167 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4168 #ifdef VIDEO_ENABLED
4169         VideoStream *vs = NULL;
4170         vs=get_active_video_stream(lc);
4171         /* If we have a video stream (either preview, either from call), we
4172                  have a source and it is using the static picture filter, then
4173                  force the filter to use that picture. */
4174         if (vs && vs->source) {
4175                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4176
4177                         float fps;
4178
4179                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4180                         return fps;
4181                 }
4182         }
4183 #else
4184         ms_warning("Video support not compiled.");
4185 #endif
4186         return 0;
4187 }
4188
4189 /**
4190  * Returns the native window handle of the video window, casted as an unsigned long.
4191  *
4192  * @ingroup media_parameters
4193 **/
4194 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4195 #ifdef VIDEO_ENABLED
4196         LinphoneCall *call=linphone_core_get_current_call (lc);
4197         if (call && call->videostream)
4198                 return video_stream_get_native_window_id(call->videostream);
4199         if (lc->previewstream)
4200                 return video_stream_get_native_window_id(lc->previewstream);
4201 #endif
4202         return lc->video_window_id;
4203 }
4204
4205 /**@ingroup media_parameters
4206  * Set the native video window id where the video is to be displayed.
4207  * If not set the core will create its own window.
4208 **/
4209 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4210 #ifdef VIDEO_ENABLED
4211         LinphoneCall *call=linphone_core_get_current_call(lc);
4212         lc->video_window_id=id;
4213         if (call!=NULL && call->videostream){
4214                 video_stream_set_native_window_id(call->videostream,id);
4215         }
4216 #endif
4217 }
4218
4219 /**
4220  * Returns the native window handle of the video preview window, casted as an unsigned long.
4221  *
4222  * @ingroup media_parameters
4223 **/
4224 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4225 #ifdef VIDEO_ENABLED
4226         LinphoneCall *call=linphone_core_get_current_call (lc);
4227         if (call && call->videostream)
4228                 return video_stream_get_native_preview_window_id(call->videostream);
4229         if (lc->previewstream)
4230                 return video_preview_get_native_window_id(lc->previewstream);
4231 #endif
4232         return lc->preview_window_id;
4233 }
4234
4235 /**
4236  * @ingroup media_parameters
4237  * Set the native window id where the preview video (local camera) is to be displayed.
4238  * This has to be used in conjonction with linphone_core_use_preview_window().
4239  * If not set the core will create its own window.
4240 **/
4241 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4242         lc->preview_window_id=id;
4243 #ifdef VIDEO_ENABLED
4244         LinphoneCall *call=linphone_core_get_current_call(lc);
4245         if (call!=NULL && call->videostream){
4246                 video_stream_set_native_preview_window_id(call->videostream,id);
4247         }else if (lc->previewstream){
4248                 video_preview_set_native_window_id(lc->previewstream,id);
4249         }
4250 #endif
4251 }
4252
4253 /**
4254  * Can be used to disable video showing to free XV port
4255 **/
4256 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4257 #ifdef VIDEO_ENABLED
4258         ms_error("linphone_core_show_video %d", show);
4259         LinphoneCall *call=linphone_core_get_current_call(lc);
4260         if (call!=NULL && call->videostream){
4261                 video_stream_show_video(call->videostream,show);
4262         }
4263 #endif
4264 }
4265
4266 /**
4267  * Tells the core to use a separate window for local camera preview video, instead of
4268  * inserting local view within the remote video window.
4269  *
4270 **/
4271 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4272         lc->use_preview_window=yesno;
4273 }
4274 /**
4275  * @ingroup media_parameters
4276  *returns current device orientation
4277  */
4278 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4279         return lc->device_rotation;
4280 }
4281 /**
4282  * @ingroup media_parameters
4283  * Tells the core the device current orientation. This can be used by capture filters
4284  * on mobile devices to select between portrait/landscape mode and to produce properly
4285  * oriented images. The exact meaning of the value in rotation if left to each device
4286  * specific implementations.
4287  *@param lc  object.
4288  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4289  *
4290 **/
4291 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4292 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4293         lc->device_rotation = rotation;
4294 #ifdef VIDEO_ENABLED
4295         LinphoneCall *call=linphone_core_get_current_call(lc);
4296         if (call!=NULL && call->videostream){
4297                 video_stream_set_device_rotation(call->videostream,rotation);
4298         }
4299 #endif
4300 }
4301
4302 static MSVideoSizeDef supported_resolutions[]={
4303 #ifdef ENABLE_HD
4304         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4305         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4306 #endif
4307         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4308         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4309         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4310         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4311         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4312         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4313         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4314         {       {0,0}                   ,       NULL    }
4315 };
4316
4317 /**
4318  * Returns the zero terminated table of supported video resolutions.
4319  *
4320  * @ingroup media_parameters
4321 **/
4322 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4323         return supported_resolutions;
4324 }
4325
4326 static MSVideoSize video_size_get_by_name(const char *name){
4327         MSVideoSizeDef *pdef=supported_resolutions;
4328         MSVideoSize null_vsize={0,0};
4329         for(;pdef->name!=NULL;pdef++){
4330                 if (strcasecmp(name,pdef->name)==0){
4331                         return pdef->vsize;
4332                 }
4333         }
4334         ms_warning("Video resolution %s is not supported in linphone.",name);
4335         return null_vsize;
4336 }
4337
4338 static const char *video_size_get_name(MSVideoSize vsize){
4339         MSVideoSizeDef *pdef=supported_resolutions;
4340         for(;pdef->name!=NULL;pdef++){
4341                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4342                         return pdef->name;
4343                 }
4344         }
4345         return NULL;
4346 }
4347
4348 static bool_t video_size_supported(MSVideoSize vsize){
4349         if (video_size_get_name(vsize)) return TRUE;
4350         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4351         return FALSE;
4352 }
4353
4354 /**
4355  * Sets the preferred video size.
4356  *
4357  * @ingroup media_parameters
4358  * This applies only to the stream that is captured and sent to the remote party,
4359  * since we accept all standard video size on the receive path.
4360 **/
4361 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4362         if (video_size_supported(vsize)){
4363                 MSVideoSize oldvsize=lc->video_conf.vsize;
4364                 lc->video_conf.vsize=vsize;
4365                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4366                         toggle_video_preview(lc,FALSE);
4367                         toggle_video_preview(lc,TRUE);
4368                 }
4369                 if ( linphone_core_ready(lc))
4370                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4371         }
4372 }
4373
4374 /**
4375  * Sets the preferred video size by its name.
4376  *
4377  * @ingroup media_parameters
4378  * This is identical to linphone_core_set_preferred_video_size() except
4379  * that it takes the name of the video resolution as input.
4380  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4381 **/
4382 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4383         MSVideoSize vsize=video_size_get_by_name(name);
4384         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4385         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4386         else linphone_core_set_preferred_video_size(lc,default_vsize);
4387 }
4388
4389 /**
4390  * Returns the current preferred video size for sending.
4391  *
4392  * @ingroup media_parameters
4393 **/
4394 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4395         return lc->video_conf.vsize;
4396 }
4397
4398 /**
4399  * Ask the core to stream audio from and to files, instead of using the soundcard.
4400 **/
4401 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4402         lc->use_files=yesno;
4403 }
4404
4405 /**
4406  * Sets a wav file to be played when putting somebody on hold,
4407  * or when files are used instead of soundcards (see linphone_core_use_files()).
4408  *
4409  * The file must be a 16 bit linear wav file.
4410 **/
4411 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4412         LinphoneCall *call=linphone_core_get_current_call(lc);
4413         if (lc->play_file!=NULL){
4414                 ms_free(lc->play_file);
4415                 lc->play_file=NULL;
4416         }
4417         if (file!=NULL) {
4418                 lc->play_file=ms_strdup(file);
4419                 if (call && call->audiostream && call->audiostream->ticker)
4420                         audio_stream_play(call->audiostream,file);
4421         }
4422 }
4423
4424
4425 /**
4426  * Sets a wav file where incoming stream is to be recorded,
4427  * when files are used instead of soundcards (see linphone_core_use_files()).
4428  *
4429  * The file must be a 16 bit linear wav file.
4430 **/
4431 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4432         LinphoneCall *call=linphone_core_get_current_call(lc);
4433         if (lc->rec_file!=NULL){
4434                 ms_free(lc->rec_file);
4435                 lc->rec_file=NULL;
4436         }
4437         if (file!=NULL) {
4438                 lc->rec_file=ms_strdup(file);
4439                 if (call && call->audiostream)
4440                         audio_stream_record(call->audiostream,file);
4441         }
4442 }
4443
4444
4445 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4446         LinphoneCall *call=linphone_core_get_current_call (lc);
4447         AudioStream *stream=NULL;
4448         if (call){
4449                 stream=call->audiostream;
4450         }else if (linphone_core_is_in_conference(lc)){
4451                 stream=lc->conf_ctx.local_participant;
4452         }
4453         if (stream){
4454                 return stream->dtmfgen;
4455         }
4456         if (lc->ringstream==NULL){
4457                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4458                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4459                 if (ringcard == NULL)
4460                         return NULL;
4461
4462                 lc->ringstream=ring_start(NULL,0,ringcard);
4463                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4464                 lc->dmfs_playing_start_time=time(NULL);
4465         }else{
4466                 if (lc->dmfs_playing_start_time!=0)
4467                         lc->dmfs_playing_start_time=time(NULL);
4468         }
4469         return lc->ringstream->gendtmf;
4470 }
4471
4472 /**
4473  * @ingroup media_parameters
4474  * Plays a dtmf sound to the local user.
4475  * @param lc #LinphoneCore
4476  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4477  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4478 **/
4479 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4480         MSFilter *f=get_dtmf_gen(lc);
4481         if (f==NULL){
4482                 ms_error("No dtmf generator at this time !");
4483                 return;
4484         }
4485
4486         if (duration_ms>0)
4487                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4488         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4489 }
4490
4491 /**
4492  * @ingroup media_parameters
4493  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4494  * @param lc #LinphoneCore
4495 **/
4496 void linphone_core_play_tone(LinphoneCore *lc){
4497         MSFilter *f=get_dtmf_gen(lc);
4498         MSDtmfGenCustomTone def;
4499         if (f==NULL){
4500                 ms_error("No dtmf generator at this time !");
4501                 return;
4502         }
4503         def.duration=300;
4504         def.frequency=500;
4505         def.amplitude=1;
4506         def.interval=2000;
4507         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4508 }
4509
4510 /**
4511  * @ingroup media_parameters
4512  *
4513  * Stops playing a dtmf started by linphone_core_play_dtmf().
4514 **/
4515 void linphone_core_stop_dtmf(LinphoneCore *lc){
4516         MSFilter *f=get_dtmf_gen(lc);
4517         if (f!=NULL)
4518                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4519 }
4520
4521
4522
4523 /**
4524  * Retrieves the user pointer that was given to linphone_core_new()
4525  *
4526  * @ingroup initializing
4527 **/
4528 void *linphone_core_get_user_data(LinphoneCore *lc){
4529         return lc->data;
4530 }
4531
4532 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4533         lc->data=userdata;
4534 }
4535
4536 int linphone_core_get_mtu(const LinphoneCore *lc){
4537         return lc->net_conf.mtu;
4538 }
4539
4540 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4541         lc->net_conf.mtu=mtu;
4542         if (mtu>0){
4543                 if (mtu<500){
4544                         ms_error("MTU too small !");
4545                         mtu=500;
4546                 }
4547                 ms_set_mtu(mtu);
4548                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4549         }else ms_set_mtu(0);//use mediastreamer2 default value
4550 }
4551
4552 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4553         lc->wait_cb=cb;
4554         lc->wait_ctx=user_context;
4555 }
4556
4557 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4558         if (lc->wait_cb){
4559                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4560         }
4561 }
4562
4563 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4564         if (lc->wait_cb){
4565                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4566         }else{
4567 #ifdef WIN32
4568                 Sleep(50000);
4569 #else
4570                 usleep(50000);
4571 #endif
4572         }
4573 }
4574
4575 void linphone_core_stop_waiting(LinphoneCore *lc){
4576         if (lc->wait_cb){
4577                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4578         }
4579 }
4580
4581 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4582         lc->rtptf=factories;
4583 }
4584
4585 /**
4586  * Retrieve RTP statistics regarding current call.
4587  * @param local RTP statistics computed locally.
4588  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4589  *
4590  * @note Remote RTP statistics is not implemented yet.
4591  *
4592  * @returns 0 or -1 if no call is running.
4593 **/
4594
4595 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4596         LinphoneCall *call=linphone_core_get_current_call (lc);
4597         if (call!=NULL){
4598                 if (call->audiostream!=NULL){
4599                         memset(remote,0,sizeof(*remote));
4600                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4601                         return 0;
4602                 }
4603         }
4604         return -1;
4605 }
4606
4607 void net_config_uninit(LinphoneCore *lc)
4608 {
4609         net_config_t *config=&lc->net_conf;
4610
4611         if (config->stun_server!=NULL){
4612                 ms_free(lc->net_conf.stun_server);
4613         }
4614         if (config->nat_address!=NULL){
4615                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4616                 ms_free(lc->net_conf.nat_address);
4617         }
4618         if (lc->net_conf.nat_address_ip !=NULL){
4619                 ms_free(lc->net_conf.nat_address_ip);
4620         }
4621         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4622 }
4623
4624
4625 void sip_config_uninit(LinphoneCore *lc)
4626 {
4627         MSList *elem;
4628         int i;
4629         sip_config_t *config=&lc->sip_conf;
4630
4631         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4632         lp_config_set_string(lc->config,"sip","contact",config->contact);
4633         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4634         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4635         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4636         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4637         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4638         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4639
4640
4641
4642
4643         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4644                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4645                 linphone_proxy_config_edit(cfg);        /* to unregister */
4646         }
4647
4648         for (i=0;i<20;i++){
4649                 sal_iterate(lc->sal);
4650 #ifndef WIN32
4651                 usleep(100000);
4652 #else
4653                 Sleep(100);
4654 #endif
4655         }
4656
4657         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4658         ms_list_free(config->proxies);
4659         config->proxies=NULL;
4660
4661         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4662
4663         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4664         ms_list_free(lc->auth_info);
4665         lc->auth_info=NULL;
4666
4667         sal_uninit(lc->sal);
4668         lc->sal=NULL;
4669
4670         if (lc->sip_conf.guessed_contact)
4671                 ms_free(lc->sip_conf.guessed_contact);
4672         if (config->contact)
4673                 ms_free(config->contact);
4674
4675 }
4676
4677 void rtp_config_uninit(LinphoneCore *lc)
4678 {
4679         rtp_config_t *config=&lc->rtp_conf;
4680         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4681                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4682         } else {
4683                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4684         }
4685         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4686                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4687         } else {
4688                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4689         }
4690         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4691         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4692         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4693         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4694         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4695 }
4696
4697 static void sound_config_uninit(LinphoneCore *lc)
4698 {
4699         sound_config_t *config=&lc->sound_conf;
4700         ms_free(config->cards);
4701
4702         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4703
4704         if (config->local_ring) ms_free(config->local_ring);
4705         if (config->remote_ring) ms_free(config->remote_ring);
4706         ms_snd_card_manager_destroy();
4707 }
4708
4709 static void video_config_uninit(LinphoneCore *lc)
4710 {
4711         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4712         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4713         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4714         if (lc->video_conf.cams)
4715                 ms_free(lc->video_conf.cams);
4716 }
4717
4718 void _linphone_core_codec_config_write(LinphoneCore *lc){
4719         if (linphone_core_ready(lc)){
4720                 PayloadType *pt;
4721                 codecs_config_t *config=&lc->codecs_conf;
4722                 MSList *node;
4723                 char key[50];
4724                 int index;
4725                 index=0;
4726                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4727                         pt=(PayloadType*)(node->data);
4728                         sprintf(key,"audio_codec_%i",index);
4729                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4730                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4731                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4732                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4733                         index++;
4734                 }
4735                 sprintf(key,"audio_codec_%i",index);
4736                 lp_config_clean_section (lc->config,key);
4737
4738                 index=0;
4739                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4740                         pt=(PayloadType*)(node->data);
4741                         sprintf(key,"video_codec_%i",index);
4742                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4743                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4744                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4745                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4746                         index++;
4747                 }
4748                 sprintf(key,"video_codec_%i",index);
4749                 lp_config_clean_section (lc->config,key);
4750         }
4751 }
4752
4753 static void codecs_config_uninit(LinphoneCore *lc)
4754 {
4755         _linphone_core_codec_config_write(lc);
4756         ms_list_free(lc->codecs_conf.audio_codecs);
4757         ms_list_free(lc->codecs_conf.video_codecs);
4758 }
4759
4760 void ui_config_uninit(LinphoneCore* lc)
4761 {
4762         if (lc->friends){
4763                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4764                 ms_list_free(lc->friends);
4765                 lc->friends=NULL;
4766         }
4767 }
4768
4769 /**
4770  * Returns the LpConfig object used to manage the storage (config) file.
4771  *
4772  * @ingroup misc
4773  * The application can use the LpConfig object to insert its own private
4774  * sections and pairs of key=value in the configuration file.
4775  *
4776 **/
4777 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4778         return lc->config;
4779 }
4780
4781 static void linphone_core_uninit(LinphoneCore *lc)
4782 {
4783         linphone_core_free_hooks(lc);
4784         while(lc->calls)
4785         {
4786                 LinphoneCall *the_call = lc->calls->data;
4787                 linphone_core_terminate_call(lc,the_call);
4788                 linphone_core_iterate(lc);
4789 #ifdef WIN32
4790                 Sleep(50000);
4791 #else
4792                 usleep(50000);
4793 #endif
4794         }
4795         if (lc->friends)
4796                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4797         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4798 #ifdef VIDEO_ENABLED
4799         if (lc->previewstream!=NULL){
4800                 video_preview_stop(lc->previewstream);
4801                 lc->previewstream=NULL;
4802         }
4803 #endif
4804         ms_event_queue_destroy(lc->msevq);
4805         lc->msevq=NULL;
4806         /* save all config */
4807         net_config_uninit(lc);
4808         rtp_config_uninit(lc);
4809         if (lc->ringstream) ring_stop(lc->ringstream);
4810         sound_config_uninit(lc);
4811         video_config_uninit(lc);
4812         codecs_config_uninit(lc);
4813         ui_config_uninit(lc);
4814         sip_config_uninit(lc);
4815         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4816         lp_config_destroy(lc->config);
4817         lc->config = NULL; /* Mark the config as NULL to block further calls */
4818         sip_setup_unregister_all();
4819
4820         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4821         lc->call_logs=ms_list_free(lc->call_logs);
4822
4823         linphone_core_free_payload_types(lc);
4824         ortp_exit();
4825         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4826 #ifdef TUNNEL_ENABLED
4827         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4828 #endif
4829 }
4830
4831 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4832         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4833         // second get the list of available proxies
4834         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4835         for(;elem!=NULL;elem=elem->next){
4836                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4837                 if (linphone_proxy_config_register_enabled(cfg) ) {
4838                         if (!isReachable) {
4839                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4840                         }else{
4841                                 cfg->commit=TRUE;
4842                         }
4843                 }
4844         }
4845         lc->netup_time=curtime;
4846         lc->network_reachable=isReachable;
4847         if(!isReachable) {
4848                 sal_reset_transports(lc->sal);
4849         }
4850 }
4851
4852 void linphone_core_refresh_registers(LinphoneCore* lc) {
4853         const MSList *elem;
4854         if (!lc->network_reachable) {
4855                 ms_warning("Refresh register operation not available (network unreachable)");
4856                 return;
4857         }
4858         elem=linphone_core_get_proxy_config_list(lc);
4859         for(;elem!=NULL;elem=elem->next){
4860                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4861                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4862                         linphone_proxy_config_refresh_register(cfg);
4863                 }
4864         }
4865 }
4866
4867 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4868         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4869         for(;elem!=NULL;elem=elem->next){
4870                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4871                 if (linphone_proxy_config_register_enabled(cfg)) {
4872                         linphone_proxy_config_edit(cfg);
4873                         linphone_proxy_config_done(cfg);
4874                 }
4875         }
4876 }
4877
4878 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4879         //first disable automatic mode
4880         if (lc->auto_net_state_mon) {
4881                 ms_message("Disabling automatic network state monitoring");
4882                 lc->auto_net_state_mon=FALSE;
4883         }
4884         set_network_reachable(lc,isReachable, ms_time(NULL));
4885 }
4886
4887 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4888         return lc->network_reachable;
4889 }
4890 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4891         return sal_get_socket(lc->sal);
4892 }
4893 /**
4894  * Destroys a LinphoneCore
4895  *
4896  * @ingroup initializing
4897 **/
4898 void linphone_core_destroy(LinphoneCore *lc){
4899         linphone_core_uninit(lc);
4900         ms_free(lc);
4901 }
4902 /**
4903  * Get the number of Call
4904  *
4905  * @ingroup call_control
4906 **/
4907 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4908         return  ms_list_size(lc->calls);;
4909 }
4910
4911 /**
4912  * Check if we do not have exceed the number of simultaneous call
4913  *
4914  * @ingroup call_control
4915 **/
4916 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4917 {
4918         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4919                 return TRUE;
4920         ms_message("Maximum amount of simultaneous calls reached !");
4921         return FALSE;
4922 }
4923
4924
4925 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4926 {
4927         if(linphone_core_can_we_add_call(lc))
4928         {
4929                 lc->calls = ms_list_append(lc->calls,call);
4930                 return 0;
4931         }
4932         return -1;
4933 }
4934
4935 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4936 {
4937         MSList *it;
4938         MSList *the_calls = lc->calls;
4939
4940         it=ms_list_find(the_calls,call);
4941         if (it)
4942         {
4943                 the_calls = ms_list_remove_link(the_calls,it);
4944         }
4945         else
4946         {
4947                 ms_warning("could not find the call into the list\n");
4948                 return -1;
4949         }
4950         lc->calls = the_calls;
4951         return 0;
4952 }
4953
4954 /**
4955  * Specifiies a ring back tone to be played to far end during incoming calls.
4956 **/
4957 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4958         if (lc->sound_conf.ringback_tone){
4959                 ms_free(lc->sound_conf.ringback_tone);
4960                 lc->sound_conf.ringback_tone=NULL;
4961         }
4962         if (file)
4963                 lc->sound_conf.ringback_tone=ms_strdup(file);
4964 }
4965
4966 /**
4967  * Returns the ring back tone played to far end during incoming calls.
4968 **/
4969 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4970         return lc->sound_conf.ringback_tone;
4971 }
4972
4973 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
4974         const MSList *elem;
4975         for(elem=from;elem!=NULL;elem=elem->next){
4976                 PayloadType *pt=(PayloadType*)elem->data;
4977                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
4978                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
4979                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
4980                         return pt;
4981                 }
4982         }
4983         return NULL;
4984 }
4985
4986
4987 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
4988         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
4989         if (result)  {
4990                 return result;
4991         } else {
4992                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
4993                 if (result) {
4994                         return result;
4995                 }
4996         }
4997         /*not found*/
4998         return NULL;
4999 }
5000
5001 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5002         switch(gs){
5003                 case LinphoneGlobalOff:
5004                         return "LinphoneGlobalOff";
5005                 break;
5006                 case LinphoneGlobalOn:
5007                         return "LinphoneGlobalOn";
5008                 break;
5009                 case LinphoneGlobalStartup:
5010                         return "LinphoneGlobalStartup";
5011                 break;
5012                 case LinphoneGlobalShutdown:
5013                         return "LinphoneGlobalShutdown";
5014                 break;
5015         }
5016         return NULL;
5017 }
5018
5019 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5020         return lc->state;
5021 }
5022
5023 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5024         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5025         linphone_core_init_default_params(lc, p);
5026         return p;
5027 }
5028
5029 const char *linphone_reason_to_string(LinphoneReason err){
5030         switch(err){
5031                 case LinphoneReasonNone:
5032                         return "No error";
5033                 case LinphoneReasonNoResponse:
5034                         return "No response";
5035                 case LinphoneReasonBadCredentials:
5036                         return "Bad credentials";
5037                 case LinphoneReasonDeclined:
5038                         return "Call declined";
5039                 case LinphoneReasonNotFound:
5040                         return "User not found";
5041                 case LinphoneReasonNotAnswered:
5042                         return "Not answered";
5043                 case LinphoneReasonBusy:
5044                         return "Busy";
5045         }
5046         return "unknown error";
5047 }
5048
5049 const char *linphone_error_to_string(LinphoneReason err){
5050         return linphone_reason_to_string(err);
5051 }
5052 /**
5053  * Enables signaling keep alive
5054  */
5055 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5056         if (enable > 0) {
5057                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5058         } else {
5059                 sal_set_keepalive_period(lc->sal,0);
5060         }
5061 }
5062 /**
5063  * Is signaling keep alive enabled
5064  */
5065 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5066         return sal_get_keepalive_period(lc->sal) > 0;
5067 }
5068
5069 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5070         get_dtmf_gen(lc); /*make sure ring stream is started*/
5071         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5072 }
5073
5074 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5075         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5076                 ring_stop(lc->ringstream);
5077                 lc->ringstream=NULL;
5078         }
5079 }
5080
5081 int linphone_core_get_max_calls(LinphoneCore *lc) {
5082         return lc->max_calls;
5083 }
5084 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5085         lc->max_calls=max;
5086 }
5087
5088 typedef struct Hook{
5089         LinphoneCoreIterateHook fun;
5090         void *data;
5091 }Hook;
5092
5093 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5094         Hook *h=ms_new(Hook,1);
5095         h->fun=hook;
5096         h->data=hook_data;
5097         return h;
5098 }
5099
5100 static void hook_invoke(Hook *h){
5101         h->fun(h->data);
5102 }
5103
5104 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5105         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5106 }
5107
5108 static void linphone_core_run_hooks(LinphoneCore *lc){
5109         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5110 }
5111
5112 static void linphone_core_free_hooks(LinphoneCore *lc){
5113         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5114         ms_list_free(lc->hooks);
5115         lc->hooks=NULL;
5116 }
5117
5118 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5119         MSList *elem;
5120         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5121                 Hook *h=(Hook*)elem->data;
5122                 if (h->fun==hook && h->data==hook_data){
5123                         ms_list_remove_link(lc->hooks,elem);
5124                         ms_free(h);
5125                         return;
5126                 }
5127         }
5128         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5129 }
5130
5131 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5132         if (lc->zrtp_secrets_cache != NULL) {
5133                 ms_free(lc->zrtp_secrets_cache);
5134         }
5135         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5136 }
5137
5138 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5139         if (uri == NULL) return NULL;
5140         MSList *calls=lc->calls;
5141         while(calls) {
5142                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5143                 calls=calls->next;
5144                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5145                 char *current_uri=linphone_address_as_string_uri_only(address);
5146                 if (strcmp(uri,current_uri)==0) {
5147                         ms_free(current_uri);
5148                         return c;
5149                 } else {
5150                         ms_free(current_uri);
5151                 }
5152         }
5153         return NULL;
5154 }
5155
5156
5157 /**
5158  * Check if a call will need the sound resources.
5159  *
5160  * @ingroup call_control
5161  * @param lc The LinphoneCore
5162 **/
5163 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5164         MSList *calls=lc->calls;
5165         while(calls) {
5166                 LinphoneCall *c=(LinphoneCall*)calls->data;
5167                 calls=calls->next;
5168                 switch (c->state) {
5169                         case LinphoneCallOutgoingInit:
5170                         case LinphoneCallOutgoingProgress:
5171                         case LinphoneCallOutgoingRinging:
5172                         case LinphoneCallOutgoingEarlyMedia:
5173                         case LinphoneCallConnected:
5174                         case LinphoneCallRefered:
5175                         case LinphoneCallIncomingEarlyMedia:
5176                         case LinphoneCallUpdating:
5177                                 return TRUE;
5178                         default:
5179                                 break;
5180                 }
5181         }
5182         return FALSE;
5183 }
5184
5185 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5186         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5187 }
5188
5189 /**
5190  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5191 **/
5192 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5193         switch(menc){
5194                 case LinphoneMediaEncryptionSRTP:
5195                         return ortp_srtp_supported();
5196                 case LinphoneMediaEncryptionZRTP:
5197                         return ortp_zrtp_available();
5198                 case LinphoneMediaEncryptionNone:
5199                         return TRUE;
5200         }
5201         return FALSE;
5202 }
5203
5204 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5205         const char *type="none";
5206         int ret=0;
5207         if (menc == LinphoneMediaEncryptionSRTP){
5208                 if (!ortp_srtp_supported()){
5209                         ms_warning("SRTP not supported by library.");
5210                         type="none";
5211                         ret=-1;
5212                 }else type="srtp";
5213         }else if (menc == LinphoneMediaEncryptionZRTP){
5214                 if (!ortp_zrtp_available()){
5215                         ms_warning("ZRTP not supported by library.");
5216                         type="none";
5217                         ret=-1;
5218                 }else type="zrtp";
5219         }
5220         lp_config_set_string(lc->config,"sip","media_encryption",type);
5221         return ret;
5222 }
5223
5224 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5225         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5226
5227         if (menc == NULL)
5228                 return LinphoneMediaEncryptionNone;
5229         else if (strcmp(menc, "srtp")==0)
5230                 return LinphoneMediaEncryptionSRTP;
5231         else if (strcmp(menc, "zrtp")==0)
5232                 return LinphoneMediaEncryptionZRTP;
5233         else
5234                 return LinphoneMediaEncryptionNone;
5235 }
5236
5237 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5238         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5239 }
5240
5241 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5242         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5243 }
5244
5245 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5246         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5247         params->media_encryption=linphone_core_get_media_encryption(lc);
5248         params->in_conference=FALSE;
5249 }
5250
5251
5252
5253 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5254         if (lc->device_id) ms_free(lc->device_id);
5255         lc->device_id=ms_strdup(device_id);
5256 }
5257 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5258         return lc->device_id;
5259 }
5260
5261 /**
5262  * Set the DSCP field for SIP signaling channel.
5263  *
5264  * @ingroup network_parameters
5265  * * The DSCP defines the quality of service in IP packets.
5266  *
5267 **/
5268 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5269         sal_set_dscp(lc->sal,dscp);
5270         if (linphone_core_ready(lc))
5271                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5272 }
5273
5274 /**
5275  * Get the DSCP field for SIP signaling channel.
5276  *
5277  * @ingroup network_parameters
5278  * * The DSCP defines the quality of service in IP packets.
5279  *
5280 **/
5281 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5282         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5283 }
5284
5285 /**
5286  * Set the DSCP field for outgoing audio streams.
5287  *
5288  * @ingroup network_parameters
5289  * The DSCP defines the quality of service in IP packets.
5290  *
5291 **/
5292 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5293         if (linphone_core_ready(lc))
5294                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5295 }
5296
5297 /**
5298  * Get the DSCP field for outgoing audio streams.
5299  *
5300  * @ingroup network_parameters
5301  * The DSCP defines the quality of service in IP packets.
5302  *
5303 **/
5304 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5305         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5306 }
5307
5308 /**
5309  * Set the DSCP field for outgoing video streams.
5310  *
5311  * @ingroup network_parameters
5312  * The DSCP defines the quality of service in IP packets.
5313  *
5314 **/
5315 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5316         if (linphone_core_ready(lc))
5317                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5318
5319 }
5320
5321 /**
5322  * Get the DSCP field for outgoing video streams.
5323  *
5324  * @ingroup network_parameters
5325  * The DSCP defines the quality of service in IP packets.
5326  *
5327 **/
5328 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5329         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5330 }