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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 /*#define UNSTANDART_GSM_11K 1*/
  46
  47 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  48
  49 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  50 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  51 static void linphone_core_run_hooks(LinphoneCore *lc);
  52 static void linphone_core_free_hooks(LinphoneCore *lc);
  53
  54 #include "enum.h"
  55 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  56 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  57 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  58
  59 /* relative path where is stored local ring*/
  60 #define LOCAL_RING "rings/oldphone.wav"
  61 /* same for remote ring (ringback)*/
  62 #define REMOTE_RING "ringback.wav"
  63 #define HOLD_MUSIC "rings/toy-mono.wav"
  64
  65
  66 extern SalCallbacks linphone_sal_callbacks;
  67
  68 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  69 {
  70   obj->_func=func;
  71   obj->_user_data=ud;
  72 }
  73
  74 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  75         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  76         return 0;
  77 }
  78
  79
  80 /*prevent a gcc bug with %c*/
  81 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  82 #if !defined(_WIN32_WCE)
  83         return strftime(s, max, fmt, tm);
  84 #else
  85         return 0;
  86         /*FIXME*/
  87 #endif /*_WIN32_WCE*/
  88 }
  89
  90 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  91         struct tm loctime;
  92 #ifdef WIN32
  93 #if !defined(_WIN32_WCE)
  94         loctime=*localtime(&start_time);
  95         /*FIXME*/
  96 #endif /*_WIN32_WCE*/
  97 #else
  98         localtime_r(&start_time,&loctime);
  99 #endif
 100         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 101 }
 102
 103 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 104         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 105         cl->dir=call->dir;
 106         cl->start_date_time=call->start_time;
 107         set_call_log_date(cl,cl->start_date_time);
 108         cl->from=from;
 109         cl->to=to;
 110     cl->status=LinphoneCallAborted; /*default status*/
 111         return cl;
 112 }
 113
 114 void call_logs_write_to_config_file(LinphoneCore *lc){
 115         MSList *elem;
 116         char logsection[32];
 117         int i;
 118         char *tmp;
 119         LpConfig *cfg=lc->config;
 120
 121         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 122
 123         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 124                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 125                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 126                 lp_config_clean_section(cfg,logsection);
 127                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 128                 lp_config_set_int(cfg,logsection,"status",cl->status);
 129                 tmp=linphone_address_as_string(cl->from);
 130                 lp_config_set_string(cfg,logsection,"from",tmp);
 131                 ms_free(tmp);
 132                 tmp=linphone_address_as_string(cl->to);
 133                 lp_config_set_string(cfg,logsection,"to",tmp);
 134                 ms_free(tmp);
 135                 if (cl->start_date_time)
 136                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 137                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 138                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 139                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 140                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 141                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 142         }
 143         for(;i<lc->max_call_logs;++i){
 144                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 145                 lp_config_clean_section(cfg,logsection);
 146         }
 147 }
 148
 149 static time_t string_to_time(const char *date){
 150 #ifndef WIN32
 151         struct tm tmtime={0};
 152         strptime(date,"%c",&tmtime);
 153         return mktime(&tmtime);
 154 #else
 155         return 0;
 156 #endif
 157 }
 158
 159 static void call_logs_read_from_config_file(LinphoneCore *lc){
 160         char logsection[32];
 161         int i;
 162         const char *tmp;
 163         uint64_t sec;
 164         LpConfig *cfg=lc->config;
 165         for(i=0;;++i){
 166                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 167                 if (lp_config_has_section(cfg,logsection)){
 168                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 169                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 170                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 171                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 172                         if (tmp) cl->from=linphone_address_new(tmp);
 173                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 174                         if (tmp) cl->to=linphone_address_new(tmp);
 175                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 176                         if (sec) {
 177                                 /*new call log format with date expressed in seconds */
 178                                 cl->start_date_time=(time_t)sec;
 179                                 set_call_log_date(cl,cl->start_date_time);
 180                         }else{
 181                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 182                                 if (tmp) {
 183                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 184                                         cl->start_date_time=string_to_time(cl->start_date);
 185                                 }
 186                         }
 187                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 188                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 189                         if (tmp) cl->refkey=ms_strdup(tmp);
 190                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 191                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 192                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 193                 }else break;
 194         }
 195 }
 196
 197
 198
 199 /**
 200  * @addtogroup call_logs
 201  * @{
 202 **/
 203
 204 /**
 205  * Returns a human readable string describing the call.
 206  *
 207  * @note: the returned char* must be freed by the application (use ms_free()).
 208 **/
 209 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 210         char *status;
 211         char *tmp;
 212         char *from=linphone_address_as_string (cl->from);
 213         char *to=linphone_address_as_string (cl->to);
 214         switch(cl->status){
 215                 case LinphoneCallAborted:
 216                         status=_("aborted");
 217                         break;
 218                 case LinphoneCallSuccess:
 219                         status=_("completed");
 220                         break;
 221                 case LinphoneCallMissed:
 222                         status=_("missed");
 223                         break;
 224                 default:
 225                         status="unknown";
 226         }
 227         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 228                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 229                         cl->start_date,
 230                         from,
 231                         to,
 232                         status,
 233                         cl->duration/60,
 234                         cl->duration%60);
 235         ms_free(from);
 236         ms_free(to);
 237         return tmp;
 238 }
 239
 240 /**
 241  * Returns RTP statistics computed locally regarding the call.
 242  *
 243 **/
 244 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 245         return &cl->local_stats;
 246 }
 247
 248 /**
 249  * Returns RTP statistics computed by remote end and sent back via RTCP.
 250  *
 251  * @note Not implemented yet.
 252 **/
 253 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 254         return &cl->remote_stats;
 255 }
 256
 257 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 258         cl->user_pointer=up;
 259 }
 260
 261 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 262         return cl->user_pointer;
 263 }
 264
 265
 266
 267 /**
 268  * Associate a persistent reference key to the call log.
 269  *
 270  * The reference key can be for example an id to an external database.
 271  * It is stored in the config file, thus can survive to process exits/restarts.
 272  *
 273 **/
 274 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 275         if (cl->refkey!=NULL){
 276                 ms_free(cl->refkey);
 277                 cl->refkey=NULL;
 278         }
 279         if (refkey) cl->refkey=ms_strdup(refkey);
 280 }
 281
 282 /**
 283  * Get the persistent reference key associated to the call log.
 284  *
 285  * The reference key can be for example an id to an external database.
 286  * It is stored in the config file, thus can survive to process exits/restarts.
 287  *
 288 **/
 289 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 290         return cl->refkey;
 291 }
 292
 293 /** @} */
 294
 295 void linphone_call_log_destroy(LinphoneCallLog *cl){
 296         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 297         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 298         if (cl->refkey!=NULL) ms_free(cl->refkey);
 299         ms_free(cl);
 300 }
 301
 302 /**
 303  * Returns TRUE if the LinphoneCall asked to autoanswer
 304  *
 305 **/
 306 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 307         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 308         if(call)
 309                 return sal_call_autoanswer_asked(call->op);
 310         else
 311                 return FALSE;
 312 }
 313
 314 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 315         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 316         if (call)  return linphone_call_get_duration(call);
 317         return -1;
 318 }
 319
 320 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 321         LinphoneCall *call=linphone_core_get_current_call(lc);
 322         if (call==NULL) return NULL;
 323         return linphone_call_get_remote_address(call);
 324 }
 325
 326 /**
 327  * Enable logs in supplied FILE*.
 328  *
 329  * @ingroup misc
 330  *
 331  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 332  *
 333 **/
 334 void linphone_core_enable_logs(FILE *file){
 335         if (file==NULL) file=stdout;
 336         ortp_set_log_file(file);
 337         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 338 }
 339
 340 /**
 341  * Enable logs through the user's supplied log callback.
 342  *
 343  * @ingroup misc
 344  *
 345  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 346  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 347  *
 348 **/
 349 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 350         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 351         ortp_set_log_handler(logfunc);
 352 }
 353
 354 /**
 355  * Entirely disable logging.
 356  *
 357  * @ingroup misc
 358 **/
 359 void linphone_core_disable_logs(){
 360         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 361 }
 362
 363
 364 static void net_config_read (LinphoneCore *lc)
 365 {
 366         int tmp;
 367         const char *tmpstr;
 368         LpConfig *config=lc->config;
 369
 370         lc->net_conf.nat_address_ip = NULL;
 371         tmp=lp_config_get_int(config,"net","download_bw",0);
 372         linphone_core_set_download_bandwidth(lc,tmp);
 373         tmp=lp_config_get_int(config,"net","upload_bw",0);
 374         linphone_core_set_upload_bandwidth(lc,tmp);
 375         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 376         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 377         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 378         linphone_core_set_nat_address(lc,tmpstr);
 379         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 380         linphone_core_set_firewall_policy(lc,tmp);
 381         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 382         lc->net_conf.nat_sdp_only=tmp;
 383         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 384         linphone_core_set_mtu(lc,tmp);
 385         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 386         linphone_core_set_download_ptime(lc,tmp);
 387
 388 }
 389
 390 static void build_sound_devices_table(LinphoneCore *lc){
 391         const char **devices;
 392         const char **old;
 393         int ndev;
 394         int i;
 395         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 396         ndev=ms_list_size(elem);
 397         devices=ms_malloc((ndev+1)*sizeof(const char *));
 398         for (i=0;elem!=NULL;elem=elem->next,i++){
 399                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 400         }
 401         devices[ndev]=NULL;
 402         old=lc->sound_conf.cards;
 403         lc->sound_conf.cards=devices;
 404         if (old!=NULL) ms_free(old);
 405 }
 406
 407 static void sound_config_read(LinphoneCore *lc)
 408 {
 409         int tmp;
 410         const char *tmpbuf;
 411         const char *devid;
 412         float gain=0;
 413 #ifdef __linux
 414         /*alsadev let the user use custom alsa device within linphone*/
 415         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 416         if (devid){
 417                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 418                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 419         }
 420         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 421         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 422 #endif
 423         /* retrieve all sound devices */
 424         build_sound_devices_table(lc);
 425
 426         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 427         linphone_core_set_playback_device(lc,devid);
 428
 429         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 430         linphone_core_set_ringer_device(lc,devid);
 431
 432         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 433         linphone_core_set_capture_device(lc,devid);
 434
 435 /*
 436         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 437         linphone_core_set_play_level(lc,tmp);
 438         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 439         linphone_core_set_ring_level(lc,tmp);
 440         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 441         linphone_core_set_rec_level(lc,tmp);
 442         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 443         linphone_core_set_sound_source(lc,tmpbuf[0]);
 444 */
 445
 446         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 447         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 448         if (ortp_file_exist(tmpbuf)==-1) {
 449                 ms_warning("%s does not exist",tmpbuf);
 450                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 451         }
 452         if (strstr(tmpbuf,".wav")==NULL){
 453                 /* it currently uses old sound files, so replace them */
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 455         }
 456         linphone_core_set_ring(lc,tmpbuf);
 457
 458         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 459         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 460         if (ortp_file_exist(tmpbuf)==-1){
 461                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 462         }
 463         if (strstr(tmpbuf,".wav")==NULL){
 464                 /* it currently uses old sound files, so replace them */
 465                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 466         }
 467         linphone_core_set_ringback(lc,tmpbuf);
 468
 469         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 470         check_sound_device(lc);
 471         lc->sound_conf.latency=0;
 472 #ifndef __ios
 473     tmp=TRUE;
 474 #else
 475     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 476 #endif
 477     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 478         linphone_core_enable_echo_cancellation(lc,tmp);
 479         linphone_core_enable_echo_limiter(lc,
 480                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 481         linphone_core_enable_agc(lc,
 482                 lp_config_get_int(lc->config,"sound","agc",0));
 483
 484         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 485         linphone_core_set_playback_gain_db (lc,gain);
 486
 487         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 488
 489         /*just parse requested stream feature once at start to print out eventual errors*/
 490         linphone_core_get_audio_features(lc);
 491 }
 492
 493 static void sip_config_read(LinphoneCore *lc)
 494 {
 495         char *contact;
 496         const char *tmpstr;
 497         LCSipTransports tr;
 498         int i,tmp;
 499         int ipv6;
 500         int random_port;
 501
 502         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 503         linphone_core_set_use_info_for_dtmf(lc,tmp);
 504
 505         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 506                 sal_use_session_timers(lc->sal,200);
 507         }
 508
 509         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 510         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 511         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 512         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 513
 514         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 515         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 516
 517         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 518         if (ipv6==-1){
 519                 ipv6=0;
 520         }
 521         linphone_core_enable_ipv6(lc,ipv6);
 522         memset(&tr,0,sizeof(tr));
 523
 524         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 525         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 526         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 527
 528         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 529                 random_port=(0xDFFF&random())+1024;
 530         else random_port=0;
 531
 532         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 533                 tr.udp_port=5060;
 534         }
 535
 536         if (tr.udp_port>0 && random_port){
 537                 tr.udp_port=random_port;
 538                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 539         }else if (tr.tcp_port>0 && random_port){
 540                 tr.tcp_port=random_port;
 541                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 542         }else if (tr.tls_port>0 && random_port){
 543                 tr.tls_port=random_port;
 544                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 545         }
 546
 547 #ifdef __linux
 548         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 549 #else
 550         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 551 #endif
 552         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 553         /*start listening on ports*/
 554         linphone_core_set_sip_transports(lc,&tr);
 555
 556         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 557         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 558                 const char *hostname=NULL;
 559                 const char *username=NULL;
 560 #ifdef HAVE_GETENV
 561                 hostname=getenv("HOST");
 562                 username=getenv("USER");
 563                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 564 #endif /*HAVE_GETENV*/
 565                 if (hostname==NULL)
 566                         hostname="unknown-host";
 567                 if (username==NULL){
 568                         username="toto";
 569                 }
 570                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 571                 linphone_core_set_primary_contact(lc,contact);
 572                 ms_free(contact);
 573         }
 574
 575         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 576         linphone_core_set_guess_hostname(lc,tmp);
 577
 578
 579         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 580         linphone_core_set_inc_timeout(lc,tmp);
 581
 582         /* get proxies config */
 583         for(i=0;; i++){
 584                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 585                 if (cfg!=NULL){
 586                         linphone_core_add_proxy_config(lc,cfg);
 587                 }else{
 588                         break;
 589                 }
 590         }
 591         /* get the default proxy */
 592         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 593         linphone_core_set_default_proxy_index(lc,tmp);
 594
 595         /* read authentication information */
 596         for(i=0;; i++){
 597                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 598                 if (ai!=NULL){
 599                         linphone_core_add_auth_info(lc,ai);
 600                         linphone_auth_info_destroy(ai);
 601                 }else{
 602                         break;
 603                 }
 604         }
 605         /*this is to filter out unsupported encryption schemes*/
 606         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 607
 608         /*for tuning or test*/
 609         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 610         lc->sip_conf.register_only_when_network_is_up=
 611                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 612         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 613         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 614         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 615         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 616         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 617         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 618 }
 619
 620 static void rtp_config_read(LinphoneCore *lc)
 621 {
 622         int port;
 623         int jitt_comp;
 624         int nortp_timeout;
 625         bool_t rtp_no_xmit_on_audio_mute;
 626         bool_t adaptive_jitt_comp_enabled;
 627
 628         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 629         linphone_core_set_audio_port(lc,port);
 630
 631         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 632         if (port==0) port=9078;
 633         linphone_core_set_video_port(lc,port);
 634
 635         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 636         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 637         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 638         if (jitt_comp==0) jitt_comp=60;
 639         linphone_core_set_video_jittcomp(lc,jitt_comp);
 640         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 641         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 642         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 643         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 644         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 645         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 646         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 647         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 648 }
 649
 650 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 651         PayloadType *candidate=NULL;
 652         int i;
 653         PayloadType *it;
 654         for(i=0;i<127;++i){
 655                 it=rtp_profile_get_payload(prof,i);
 656                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 657                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 658                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 659                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 660                                 /*exact match*/
 661                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 662                                 return it;
 663                         }else {
 664                                 if (candidate){
 665                                         if (it->recv_fmtp==NULL) candidate=it;
 666                                 }else candidate=it;
 667                         }
 668                 }
 669         }
 670         if (candidate && recv_fmtp){
 671                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 672         }
 673         return candidate;
 674 }
 675
 676 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 677         char codeckey[50];
 678         const char *mime,*fmtp;
 679         int rate,enabled;
 680         PayloadType *pt;
 681
 682         *ret=NULL;
 683         snprintf(codeckey,50,"%s_%i",type,index);
 684         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 685         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 686
 687         rate=lp_config_get_int(config,codeckey,"rate",8000);
 688         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 689         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 690         pt=find_payload(&av_profile,mime,rate,fmtp);
 691         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 692         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 693         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 694                         mime,rate,fmtp ? fmtp : "");
 695         *ret=pt;
 696         return TRUE;
 697 }
 698
 699 #define RANK_END 10000
 700 static const char *codec_pref_order[]={
 701         "SILK",
 702         "speex",
 703         "iLBC",
 704         "amr",
 705         "gsm",
 706         "pcmu",
 707         "pcma",
 708         "VP8",
 709         "H264",
 710         "MP4V-ES",
 711         "H263-1998",
 712         NULL,
 713 };
 714
 715 static int find_codec_rank(const char *mime){
 716         int i;
 717         for(i=0;codec_pref_order[i]!=NULL;++i){
 718                 if (strcasecmp(codec_pref_order[i],mime)==0)
 719                         return i;
 720         }
 721         return RANK_END;
 722 }
 723
 724 static int codec_compare(const PayloadType *a, const PayloadType *b){
 725         int ra,rb;
 726         ra=find_codec_rank(a->mime_type);
 727         rb=find_codec_rank(b->mime_type);
 728         if (ra>rb) return 1;
 729         if (ra<rb) return -1;
 730         return 0;
 731 }
 732
 733 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 734         int i;
 735         for(i=0;i<127;++i){
 736                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 737                 if (pt){
 738                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 739                                 pt=NULL;
 740                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 741                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 742                                 pt=NULL;
 743                         }
 744                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 745                                 if (ms_list_find(l,pt)==NULL){
 746                                         /*unranked codecs are disabled by default*/
 747                                         if (find_codec_rank(pt->mime_type)!=RANK_END){
 748                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 749                                         }
 750                                         ms_message("Adding new codec %s/%i with fmtp %s",
 751                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 752                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 753                                 }
 754                         }
 755                 }
 756         }
 757         return l;
 758 }
 759
 760 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 761         MSList *elem;
 762         for (elem=l;elem!=NULL;elem=elem->next){
 763                 PayloadType *ept=(PayloadType*)elem->data;
 764                 if (pt==ept)
 765                         return l;
 766         }
 767         l=ms_list_append(l,pt);
 768         return l;
 769 }
 770
 771 static void codecs_config_read(LinphoneCore *lc)
 772 {
 773         int i;
 774         PayloadType *pt;
 775         MSList *audio_codecs=NULL;
 776         MSList *video_codecs=NULL;
 777         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 778                 if (pt){
 779                         if (!ms_filter_codec_supported(pt->mime_type)){
 780                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 781                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 782                 }
 783         }
 784         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 785         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 786                 if (pt){
 787                         if (!ms_filter_codec_supported(pt->mime_type)){
 788                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 789                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 790                 }
 791         }
 792         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 793         linphone_core_set_audio_codecs(lc,audio_codecs);
 794         linphone_core_set_video_codecs(lc,video_codecs);
 795         linphone_core_update_allocated_audio_bandwidth(lc);
 796 }
 797
 798 static void build_video_devices_table(LinphoneCore *lc){
 799         const MSList *elem;
 800         int i;
 801         int ndev;
 802         const char **devices;
 803         if (lc->video_conf.cams)
 804                 ms_free(lc->video_conf.cams);
 805         /* retrieve all video devices */
 806         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 807         ndev=ms_list_size(elem);
 808         devices=ms_malloc((ndev+1)*sizeof(const char *));
 809         for (i=0;elem!=NULL;elem=elem->next,i++){
 810                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 811         }
 812         devices[ndev]=NULL;
 813         lc->video_conf.cams=devices;
 814 }
 815
 816 static void video_config_read(LinphoneCore *lc){
 817 #ifdef VIDEO_ENABLED
 818         int capture, display, self_view;
 819 #endif
 820         const char *str;
 821 #ifdef VIDEO_ENABLED
 822         LinphoneVideoPolicy vpol;
 823 #endif
 824         build_video_devices_table(lc);
 825
 826         str=lp_config_get_string(lc->config,"video","device",NULL);
 827         if (str && str[0]==0) str=NULL;
 828         linphone_core_set_video_device(lc,str);
 829
 830         linphone_core_set_preferred_video_size_by_name(lc,
 831                 lp_config_get_string(lc->config,"video","size","cif"));
 832
 833 #ifdef VIDEO_ENABLED
 834         capture=lp_config_get_int(lc->config,"video","capture",1);
 835         display=lp_config_get_int(lc->config,"video","display",1);
 836         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 837         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 838         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 839         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 840         if(lc->video_conf.displaytype)
 841                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 842
 843         linphone_core_enable_video(lc,capture,display);
 844         linphone_core_enable_self_view(lc,self_view);
 845         linphone_core_set_video_policy(lc,&vpol);
 846 #endif
 847 }
 848
 849 static void ui_config_read(LinphoneCore *lc)
 850 {
 851         LinphoneFriend *lf;
 852         int i;
 853         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 854                 linphone_core_add_friend(lc,lf);
 855         }
 856         call_logs_read_from_config_file(lc);
 857 }
 858
 859 /*
 860 static void autoreplier_config_init(LinphoneCore *lc)
 861 {
 862         autoreplier_config_t *config=&lc->autoreplier_conf;
 863         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 864         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 865         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 866         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 867         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 868         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 869 }
 870 */
 871
 872 bool_t linphone_core_tunnel_available(void){
 873 #ifdef TUNNEL_ENABLED
 874         return TRUE;
 875 #else
 876         return FALSE;
 877 #endif
 878 }
 879
 880 /**
 881  * Enable adaptive rate control (experimental feature, audio-only).
 882  *
 883  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 884  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 885  * available bandwidth.
 886 **/
 887 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 888         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 889 }
 890
 891 /**
 892  * Returns whether adaptive rate control is enabled.
 893  *
 894  * See linphone_core_enable_adaptive_rate_control().
 895 **/
 896 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 897         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 898 }
 899
 900 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 901         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 902 }
 903
 904 /**
 905  * Sets maximum available download bandwidth
 906  *
 907  * @ingroup media_parameters
 908  *
 909  * This is IP bandwidth, in kbit/s.
 910  * This information is used signaled to other parties during
 911  * calls (within SDP messages) so that the remote end can have
 912  * sufficient knowledge to properly configure its audio & video
 913  * codec output bitrate to not overflow available bandwidth.
 914  *
 915  * @param lc the LinphoneCore object
 916  * @param bw the bandwidth in kbits/s, 0 for infinite
 917  */
 918 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 919         lc->net_conf.download_bw=bw;
 920         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 921 }
 922
 923 /**
 924  * Sets maximum available upload bandwidth
 925  *
 926  * @ingroup media_parameters
 927  *
 928  * This is IP bandwidth, in kbit/s.
 929  * This information is used by liblinphone together with remote
 930  * side available bandwidth signaled in SDP messages to properly
 931  * configure audio & video codec's output bitrate.
 932  *
 933  * @param lc the LinphoneCore object
 934  * @param bw the bandwidth in kbits/s, 0 for infinite
 935  */
 936 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 937         lc->net_conf.upload_bw=bw;
 938         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 939 }
 940
 941 /**
 942  * Retrieve the maximum available download bandwidth.
 943  *
 944  * @ingroup media_parameters
 945  *
 946  * This value was set by linphone_core_set_download_bandwidth().
 947  *
 948 **/
 949 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 950         return lc->net_conf.download_bw;
 951 }
 952
 953 /**
 954  * Retrieve the maximum available upload bandwidth.
 955  *
 956  * @ingroup media_parameters
 957  *
 958  * This value was set by linphone_core_set_upload_bandwidth().
 959  *
 960 **/
 961 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 962         return lc->net_conf.upload_bw;
 963 }
 964 /**
 965  * Set audio packetization time linphone expects to receive from peer
 966  */
 967 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 968         lc->net_conf.down_ptime=ptime;
 969 }
 970
 971 /**
 972  * Get audio packetization time linphone expects to receive from peer
 973  */
 974 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 975         return lc->net_conf.down_ptime;
 976 }
 977
 978 /**
 979  * Set audio packetization time linphone will send (in absence of requirement from peer)
 980  * A value of 0 stands for the current codec default packetization time.
 981  *
 982 **/
 983 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 984         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 985 }
 986
 987 /**
 988  * Set audio packetization time linphone will send (in absence of requirement from peer)
 989  * A value of 0 stands for the current codec default packetization time.
 990  *
 991 **/
 992 int linphone_core_get_upload_ptime(LinphoneCore *lc){
 993         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
 994 }
 995
 996
 997
 998 /**
 999  * Returns liblinphone's version as a string.
1000  *
1001  * @ingroup misc
1002  *
1003 **/
1004 const char * linphone_core_get_version(void){
1005         return liblinphone_version;
1006 }
1007
1008 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1009         PayloadType *pt;
1010         pt=payload_type_clone(const_pt);
1011         if (number==-1){
1012                 /*look for a free number */
1013                 MSList *elem;
1014                 int i;
1015                 for(i=lc->dyn_pt;i<=127;++i){
1016                         bool_t already_assigned=FALSE;
1017                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1018                                 PayloadType *it=(PayloadType*)elem->data;
1019                                 if (payload_type_get_number(it)==i){
1020                                         already_assigned=TRUE;
1021                                         break;
1022                                 }
1023                         }
1024                         if (!already_assigned){
1025                                 number=i;
1026                                 lc->dyn_pt=i+1;
1027                                 break;
1028                         }
1029                 }
1030                 if (number==-1){
1031                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1032                 }
1033         }
1034         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1035         payload_type_set_number(pt,number);
1036         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1037         rtp_profile_set_payload(&av_profile,number,pt);
1038         lc->payload_types=ms_list_append(lc->payload_types,pt);
1039 }
1040
1041 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1042         RtpProfile *prof=&av_profile;
1043         int i;
1044         for(i=0;i<128;++i){
1045                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1046                 if (pt){
1047                         if (payload_type_get_number(pt)!=i){
1048                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1049                         }
1050                 }
1051         }
1052 }
1053
1054 static void linphone_core_free_payload_types(LinphoneCore *lc){
1055         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1056         ms_list_free(lc->payload_types);
1057         lc->payload_types=NULL;
1058 }
1059
1060 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1061         lc->state=gstate;
1062         if (lc->vtable.global_state_changed){
1063                 lc->vtable.global_state_changed(lc,gstate,message);
1064         }
1065 }
1066 static void misc_config_read (LinphoneCore *lc) {
1067         LpConfig *config=lc->config;
1068     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1069     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1070 }
1071
1072
1073
1074
1075 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1076     const char *factory_config_path, void * userdata)
1077 {
1078         memset (lc, 0, sizeof (LinphoneCore));
1079         lc->data=userdata;
1080         lc->ringstream_autorelease=TRUE;
1081
1082         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1083
1084         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1085         ortp_init();
1086         lc->dyn_pt=96;
1087         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1088         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1089         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1090         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1091         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1092         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1093         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1094         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1095
1096 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1097         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1098          - to workaround potential packet losses
1099          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1100          */
1101         _linphone_core_configure_resolver();
1102 #endif
1103
1104 #ifdef ENABLE_NONSTANDARD_GSM
1105         {
1106                 PayloadType *pt;
1107                 pt=payload_type_clone(&payload_type_gsm);
1108                 pt->clock_rate=11025;
1109                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1110                 pt->clock_rate=22050;
1111                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1112                 payload_type_destroy(pt);
1113         }
1114 #endif
1115
1116 #ifdef VIDEO_ENABLED
1117         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1118         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1119         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1120         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1121         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1122         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1123         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1124         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1125         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1126 #endif
1127
1128         /*add all payload type for which we don't care about the number */
1129         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1130         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1131         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1132         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1133         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1134         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1135         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1136         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1137         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1138         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1139         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1140         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1141         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1142         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1143         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1144         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1145         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1146         linphone_core_handle_static_payloads(lc);
1147
1148         ms_init();
1149         /* create a mediastreamer2 event queue and set it as global */
1150         /* This allows to run event's callback in linphone_core_iterate() */
1151         lc->msevq=ms_event_queue_new();
1152         ms_set_global_event_queue(lc->msevq);
1153
1154         lc->config=lp_config_new(config_path);
1155         if (factory_config_path)
1156                 lp_config_read_file(lc->config,factory_config_path);
1157
1158         lc->sal=sal_init();
1159         sal_set_user_pointer(lc->sal,lc);
1160         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1161
1162         sip_setup_register_all();
1163         sound_config_read(lc);
1164         net_config_read(lc);
1165         rtp_config_read(lc);
1166         codecs_config_read(lc);
1167         sip_config_read(lc); /* this will start eXosip*/
1168         video_config_read(lc);
1169         //autoreplier_config_init(&lc->autoreplier_conf);
1170         lc->presence_mode=LinphoneStatusOnline;
1171         misc_config_read(lc);
1172         ui_config_read(lc);
1173 #ifdef TUNNEL_ENABLED
1174         lc->tunnel=linphone_core_tunnel_new(lc);
1175         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1176 #endif
1177         if (lc->vtable.display_status)
1178                 lc->vtable.display_status(lc,_("Ready"));
1179         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1180         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1181 }
1182
1183 /**
1184  * Instanciates a LinphoneCore object.
1185  * @ingroup initializing
1186  *
1187  * The LinphoneCore object is the primary handle for doing all phone actions.
1188  * It should be unique within your application.
1189  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1190  * @param config_path a path to a config file. If it does not exists it will be created.
1191  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1192  *             become persistent over the life of the LinphoneCore object.
1193  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1194  * @param factory_config_path a path to a read-only config file that can be used to
1195  *        to store hard-coded preference such as proxy settings or internal preferences.
1196  *        The settings in this factory file always override the one in the normal config file.
1197  *        It is OPTIONAL, use NULL if unneeded.
1198  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1199  *        callbacks) using linphone_core_get_user_data().
1200  *
1201 **/
1202 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1203                                                 const char *config_path, const char *factory_config_path, void * userdata)
1204 {
1205         LinphoneCore *core=ms_new(LinphoneCore,1);
1206         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1207         return core;
1208 }
1209
1210 /**
1211  * Returns the list of available audio codecs.
1212  *
1213  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1214  * structure holding the codec information.
1215  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1216  * (such as the order of codecs).
1217 **/
1218 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1219 {
1220         return lc->codecs_conf.audio_codecs;
1221 }
1222
1223 /**
1224  * Returns the list of available video codecs.
1225  *
1226  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1227  * structure holding the codec information.
1228  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1229  * (such as the order of codecs).
1230 **/
1231 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1232 {
1233         return lc->codecs_conf.video_codecs;
1234 }
1235
1236 /**
1237  * Sets the local "from" identity.
1238  *
1239  * @ingroup proxies
1240  * This data is used in absence of any proxy configuration or when no
1241  * default proxy configuration is set. See LinphoneProxyConfig
1242 **/
1243 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1244 {
1245         LinphoneAddress *ctt;
1246
1247         if ((ctt=linphone_address_new(contact))==0) {
1248                 ms_error("Bad contact url: %s",contact);
1249                 return -1;
1250         }
1251         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1252         lc->sip_conf.contact=ms_strdup(contact);
1253         if (lc->sip_conf.guessed_contact!=NULL){
1254                 ms_free(lc->sip_conf.guessed_contact);
1255                 lc->sip_conf.guessed_contact=NULL;
1256         }
1257         linphone_address_destroy(ctt);
1258         return 0;
1259 }
1260
1261
1262 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1263 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1264         const char *ip;
1265         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1266             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1267                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1268                 return;
1269         }
1270         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1271                 return;
1272         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1273         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1274 }
1275
1276 static void update_primary_contact(LinphoneCore *lc){
1277         char *guessed=NULL;
1278         char tmp[LINPHONE_IPADDR_SIZE];
1279
1280         LinphoneAddress *url;
1281         if (lc->sip_conf.guessed_contact!=NULL){
1282                 ms_free(lc->sip_conf.guessed_contact);
1283                 lc->sip_conf.guessed_contact=NULL;
1284         }
1285         url=linphone_address_new(lc->sip_conf.contact);
1286         if (!url){
1287                 ms_error("Could not parse identity contact !");
1288                 url=linphone_address_new("sip:unknown@unkwownhost");
1289         }
1290         linphone_core_get_local_ip(lc, NULL, tmp);
1291         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1292                 ms_warning("Local loopback network only !");
1293                 lc->sip_conf.loopback_only=TRUE;
1294         }else lc->sip_conf.loopback_only=FALSE;
1295         linphone_address_set_domain(url,tmp);
1296         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1297         guessed=linphone_address_as_string(url);
1298         lc->sip_conf.guessed_contact=guessed;
1299         linphone_address_destroy(url);
1300 }
1301
1302 /**
1303  * Returns the default identity when no proxy configuration is used.
1304  *
1305  * @ingroup proxies
1306 **/
1307 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1308         char *identity;
1309
1310         if (lc->sip_conf.guess_hostname){
1311                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1312                         update_primary_contact(lc);
1313                 }
1314                 identity=lc->sip_conf.guessed_contact;
1315         }else{
1316                 identity=lc->sip_conf.contact;
1317         }
1318         return identity;
1319 }
1320
1321 /**
1322  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1323  *
1324  * @ingroup proxies
1325 **/
1326 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1327         lc->sip_conf.guess_hostname=val;
1328 }
1329
1330 /**
1331  * Returns TRUE if hostname part of primary contact is guessed automatically.
1332  *
1333  * @ingroup proxies
1334 **/
1335 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1336         return lc->sip_conf.guess_hostname;
1337 }
1338
1339 /**
1340  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1341  * instead of const char*
1342  *
1343  * @ingroup proxies
1344 **/
1345 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1346         return linphone_address_new(linphone_core_get_primary_contact(lc));
1347 }
1348
1349 /**
1350  * Sets the list of audio codecs.
1351  *
1352  * @ingroup media_parameters
1353  * The list is taken by the LinphoneCore thus the application should not free it.
1354  * This list is made of struct PayloadType describing the codec parameters.
1355 **/
1356 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1357 {
1358         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1359         lc->codecs_conf.audio_codecs=codecs;
1360         _linphone_core_codec_config_write(lc);
1361         return 0;
1362 }
1363
1364 /**
1365  * Sets the list of video codecs.
1366  *
1367  * @ingroup media_parameters
1368  * The list is taken by the LinphoneCore thus the application should not free it.
1369  * This list is made of struct PayloadType describing the codec parameters.
1370 **/
1371 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1372 {
1373         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1374         lc->codecs_conf.video_codecs=codecs;
1375         _linphone_core_codec_config_write(lc);
1376         return 0;
1377 }
1378
1379 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1380 {
1381         return lc->friends;
1382 }
1383
1384 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1385 {
1386         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1387 }
1388
1389 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1390 {
1391         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1392 }
1393
1394 /**
1395  * Returns the nominal audio jitter buffer size in milliseconds.
1396  *
1397  * @ingroup media_parameters
1398 **/
1399 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1400 {
1401         return lc->rtp_conf.audio_jitt_comp;
1402 }
1403
1404 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1405 {
1406         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1407 }
1408
1409 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1410 {
1411         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1412 }
1413
1414 /**
1415  * Returns the nominal video jitter buffer size in milliseconds.
1416  *
1417  * @ingroup media_parameters
1418 **/
1419 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1420 {
1421         return lc->rtp_conf.video_jitt_comp;
1422 }
1423
1424 /**
1425  * Returns the UDP port used for audio streaming.
1426  *
1427  * @ingroup network_parameters
1428 **/
1429 int linphone_core_get_audio_port(const LinphoneCore *lc)
1430 {
1431         return lc->rtp_conf.audio_rtp_port;
1432 }
1433
1434 /**
1435  * Returns the UDP port used for video streaming.
1436  *
1437  * @ingroup network_parameters
1438 **/
1439 int linphone_core_get_video_port(const LinphoneCore *lc){
1440         return lc->rtp_conf.video_rtp_port;
1441 }
1442
1443
1444 /**
1445  * Returns the value in seconds of the no-rtp timeout.
1446  *
1447  * @ingroup media_parameters
1448  * When no RTP or RTCP packets have been received for a while
1449  * LinphoneCore will consider the call is broken (remote end crashed or
1450  * disconnected from the network), and thus will terminate the call.
1451  * The no-rtp timeout is the duration above which the call is considered broken.
1452 **/
1453 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1454         return lc->rtp_conf.nortp_timeout;
1455 }
1456
1457 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1458         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1459 }
1460
1461 /**
1462  * Sets the nominal audio jitter buffer size in milliseconds.
1463  *
1464  * @ingroup media_parameters
1465 **/
1466 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1467 {
1468         lc->rtp_conf.audio_jitt_comp=value;
1469 }
1470
1471 /**
1472  * Sets the nominal video jitter buffer size in milliseconds.
1473  *
1474  * @ingroup media_parameters
1475 **/
1476 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1477 {
1478         lc->rtp_conf.video_jitt_comp=value;
1479 }
1480
1481 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1482         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1483 }
1484
1485 /**
1486  * Sets the UDP port used for audio streaming.
1487  *
1488  * @ingroup network_parameters
1489 **/
1490 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1491 {
1492         lc->rtp_conf.audio_rtp_port=port;
1493 }
1494
1495 /**
1496  * Sets the UDP port used for video streaming.
1497  *
1498  * @ingroup network_parameters
1499 **/
1500 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1501         lc->rtp_conf.video_rtp_port=port;
1502 }
1503
1504 /**
1505  * Sets the no-rtp timeout value in seconds.
1506  *
1507  * @ingroup media_parameters
1508  * See linphone_core_get_nortp_timeout() for details.
1509 **/
1510 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1511         lc->rtp_conf.nortp_timeout=nortp_timeout;
1512 }
1513
1514 /**
1515  * Indicates whether SIP INFO is used for sending digits.
1516  *
1517  * @ingroup media_parameters
1518 **/
1519 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1520 {
1521         return lc->sip_conf.use_info;
1522 }
1523
1524 /**
1525  * Sets whether SIP INFO is to be used for sending digits.
1526  *
1527  * @ingroup media_parameters
1528 **/
1529 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1530 {
1531         lc->sip_conf.use_info=use_info;
1532 }
1533
1534 /**
1535  * Indicates whether RFC2833 is used for sending digits.
1536  *
1537  * @ingroup media_parameters
1538 **/
1539 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1540 {
1541         return lc->sip_conf.use_rfc2833;
1542 }
1543
1544 /**
1545  * Sets whether RFC2833 is to be used for sending digits.
1546  *
1547  * @ingroup media_parameters
1548 **/
1549 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1550 {
1551         lc->sip_conf.use_rfc2833=use_rfc2833;
1552 }
1553
1554 /**
1555  * Returns the UDP port used by SIP.
1556  *
1557  * Deprecated: use linphone_core_get_sip_transports() instead.
1558  * @ingroup network_parameters
1559 **/
1560 int linphone_core_get_sip_port(LinphoneCore *lc)
1561 {
1562         LCSipTransports *tr=&lc->sip_conf.transports;
1563         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1564 }
1565
1566 static char _ua_name[64]="Linphone";
1567 static char _ua_version[64]=LINPHONE_VERSION;
1568
1569 #ifdef HAVE_EXOSIP_GET_VERSION
1570 extern const char *eXosip_get_version();
1571 #endif
1572
1573 static void apply_user_agent(LinphoneCore *lc){
1574         char ua_string[256];
1575         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1576 #ifdef HAVE_EXOSIP_GET_VERSION
1577                  eXosip_get_version()
1578 #else
1579                  "unknown"
1580 #endif
1581         );
1582         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1583 }
1584
1585 /**
1586  * Sets the user agent string used in SIP messages.
1587  *
1588  * @ingroup misc
1589 **/
1590 void linphone_core_set_user_agent(const char *name, const char *ver){
1591         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1592         strncpy(_ua_version,ver,sizeof(_ua_version));
1593 }
1594
1595 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1596         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1597         ms_warning("%s",msg);
1598         if (lc->vtable.display_warning)
1599                 lc->vtable.display_warning(lc,msg);
1600         ms_free(msg);
1601 }
1602
1603 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1604         return
1605                 tr2->udp_port==tr1->udp_port &&
1606                 tr2->tcp_port==tr1->tcp_port &&
1607                 tr2->dtls_port==tr1->dtls_port &&
1608                 tr2->tls_port==tr1->tls_port;
1609 }
1610
1611 static int apply_transports(LinphoneCore *lc){
1612         Sal *sal=lc->sal;
1613         const char *anyaddr;
1614         LCSipTransports *tr=&lc->sip_conf.transports;
1615
1616         /*first of all invalidate all current registrations so that we can register again with new transports*/
1617         __linphone_core_invalidate_registers(lc);
1618
1619         if (lc->sip_conf.ipv6_enabled)
1620                 anyaddr="::0";
1621         else
1622                 anyaddr="0.0.0.0";
1623
1624         sal_unlisten_ports(sal);
1625         if (tr->udp_port>0){
1626                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1627                         transport_error(lc,"udp",tr->udp_port);
1628                         return -1;
1629                 }
1630         }
1631         if (tr->tcp_port>0){
1632                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1633                         transport_error(lc,"tcp",tr->tcp_port);
1634                 }
1635         }
1636         if (tr->tls_port>0){
1637                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1638                         transport_error(lc,"tls",tr->tls_port);
1639                 }
1640         }
1641         apply_user_agent(lc);
1642         return 0;
1643 }
1644
1645 /**
1646  * Sets the ports to be used for each of transport (UDP or TCP)
1647  *
1648  * A zero value port for a given transport means the transport
1649  * is not used.
1650  *
1651  * @ingroup network_parameters
1652 **/
1653 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1654
1655         if (transports_unchanged(tr,&lc->sip_conf.transports))
1656                 return 0;
1657         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1658
1659         if (linphone_core_ready(lc)){
1660                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1661                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1662                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1663         }
1664
1665         if (lc->sal==NULL) return 0;
1666         return apply_transports(lc);
1667 }
1668
1669 /**
1670  * Retrieves the ports used for each transport (udp, tcp).
1671  * A zero value port for a given transport means the transport
1672  * is not used.
1673  * @ingroup network_parameters
1674 **/
1675 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1676         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1677         return 0;
1678 }
1679
1680 /**
1681  * Sets the UDP port to be used by SIP.
1682  *
1683  * Deprecated: use linphone_core_set_sip_transports() instead.
1684  * @ingroup network_parameters
1685 **/
1686 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1687 {
1688         LCSipTransports tr;
1689         memset(&tr,0,sizeof(tr));
1690         tr.udp_port=port;
1691         linphone_core_set_sip_transports (lc,&tr);
1692 }
1693
1694 /**
1695  * Returns TRUE if IPv6 is enabled.
1696  *
1697  * @ingroup network_parameters
1698  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1699 **/
1700 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1701         return lc->sip_conf.ipv6_enabled;
1702 }
1703
1704 /**
1705  * Turns IPv6 support on or off.
1706  *
1707  * @ingroup network_parameters
1708  *
1709  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1710  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1711  * By default IPv6 support is off.
1712 **/
1713 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1714         if (lc->sip_conf.ipv6_enabled!=val){
1715                 lc->sip_conf.ipv6_enabled=val;
1716                 if (lc->sal){
1717                         /* we need to restart eXosip */
1718                         apply_transports(lc);
1719                 }
1720         }
1721 }
1722
1723
1724 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1725         static time_t last_check=0;
1726         static bool_t last_status=FALSE;
1727         char result[LINPHONE_IPADDR_SIZE];
1728         bool_t new_status=last_status;
1729
1730         /* only do the network up checking every five seconds */
1731         if (last_check==0 || (curtime-last_check)>=5){
1732                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1733                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1734                         new_status=TRUE;
1735                 }else new_status=FALSE;
1736                 last_check=curtime;
1737                 if (new_status!=last_status) {
1738                         if (new_status){
1739                                 ms_message("New local ip address is %s",result);
1740                         }
1741                         set_network_reachable(lc,new_status, curtime);
1742                         last_status=new_status;
1743                 }
1744         }
1745 }
1746
1747 static void proxy_update(LinphoneCore *lc){
1748         MSList *elem,*next;
1749         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1750         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1751                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1752                 next=elem->next;
1753                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1754                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1755                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1756                         linphone_proxy_config_destroy(cfg);
1757                 }
1758         }
1759 }
1760
1761 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1762         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1763         if (lf!=NULL){
1764                 lf->info=info;
1765                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1766                 if (lc->vtable.buddy_info_updated)
1767                         lc->vtable.buddy_info_updated(lc,lf);
1768         }else{
1769                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1770         }
1771 }
1772
1773 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1774         MSList *elem;
1775         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1776         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1777                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1778                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1779                         if (req->results!=NULL){
1780                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1781                                 ms_list_free(req->results);
1782                                 req->results=NULL;
1783                                 assign_buddy_info(lc,i);
1784                         }
1785                         sip_setup_context_buddy_lookup_free(ctx,req);
1786                         elem->data=NULL;
1787                 }
1788         }
1789         /*purge completed requests */
1790         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1791                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1792         }
1793 }
1794
1795 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1796         const MSList *elem;
1797         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1798         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1799                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1800                 if (lf->info==NULL){
1801                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1802                                 if (linphone_address_get_username(lf->uri)!=NULL){
1803                                         BuddyLookupRequest *req;
1804                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1805                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1806                                         buddy_lookup_request_set_key(req,tmp);
1807                                         buddy_lookup_request_set_max_results(req,1);
1808                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1809                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1810                                         ms_free(tmp);
1811                                 }
1812                         }
1813                 }
1814         }
1815 }
1816
1817 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1818         LinphoneProxyConfig *cfg=NULL;
1819         linphone_core_get_default_proxy(lc,&cfg);
1820         if (cfg){
1821                 if (lc->bl_refresh){
1822                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1823                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1824                                 linphone_core_grab_buddy_infos(lc,cfg);
1825                                 lc->bl_refresh=FALSE;
1826                         }
1827                 }
1828                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1829         }
1830 }
1831
1832 /**
1833  * Main loop function. It is crucial that your application call it periodically.
1834  *
1835  * @ingroup initializing
1836  * linphone_core_iterate() performs various backgrounds tasks:
1837  * - receiving of SIP messages
1838  * - handles timers and timeout
1839  * - performs registration to proxies
1840  * - authentication retries
1841  * The application MUST call this function periodically, in its main loop.
1842  * Be careful that this function must be called from the same thread as
1843  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1844  * serialized with a mutex.
1845 **/
1846 void linphone_core_iterate(LinphoneCore *lc){
1847         MSList *calls;
1848         LinphoneCall *call;
1849         time_t curtime=time(NULL);
1850         int elapsed;
1851         bool_t one_second_elapsed=FALSE;
1852
1853         if (curtime-lc->prevtime>=1){
1854                 lc->prevtime=curtime;
1855                 one_second_elapsed=TRUE;
1856         }
1857
1858         if (lc->ecc!=NULL){
1859                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1860                 if (ecs!=LinphoneEcCalibratorInProgress){
1861                         if (lc->ecc->cb)
1862                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1863                         if (ecs==LinphoneEcCalibratorDone){
1864                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1865                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1866                         }
1867                         ec_calibrator_destroy(lc->ecc);
1868                         lc->ecc=NULL;
1869                 }
1870         }
1871
1872         if (lc->preview_finished){
1873                 lc->preview_finished=0;
1874                 ring_stop(lc->ringstream);
1875                 lc->ringstream=NULL;
1876                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1877         }
1878
1879         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1880             && (curtime-lc->dmfs_playing_start_time)>5){
1881                 ring_stop(lc->ringstream);
1882                 lc->ringstream=NULL;
1883                 lc->dmfs_playing_start_time=0;
1884         }
1885
1886         sal_iterate(lc->sal);
1887         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1888         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1889
1890         proxy_update(lc);
1891
1892         //we have to iterate for each call
1893         calls= lc->calls;
1894         while(calls!= NULL){
1895                 call = (LinphoneCall *)calls->data;
1896                  /* get immediately a reference to next one in case the one
1897                  we are going to examine is destroy and removed during
1898                  linphone_core_start_invite() */
1899                 calls=calls->next;
1900                 linphone_call_background_tasks(call,one_second_elapsed);
1901                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1902                         /*start the call even if the OPTIONS reply did not arrive*/
1903                         if (call->ice_session != NULL) {
1904                                 /* ICE candidates gathering has not finished yet, proceed with the call without ICE anyway. */
1905                                 linphone_call_delete_ice_session(call);
1906                                 linphone_call_stop_media_streams(call);
1907                         }
1908                         linphone_core_start_invite(lc,call,NULL);
1909                 }
1910                 if (call->state==LinphoneCallIncomingReceived){
1911                         elapsed=curtime-call->start_time;
1912                         ms_message("incoming call ringing for %i seconds",elapsed);
1913                         if (elapsed>lc->sip_conf.inc_timeout){
1914                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1915                                 call->log->status=LinphoneCallMissed;
1916                                 call->reason=LinphoneReasonNotAnswered;
1917                                 linphone_core_terminate_call(lc,call);
1918                         }
1919                 }
1920         }
1921
1922         if (linphone_core_video_preview_enabled(lc)){
1923                 if (lc->previewstream==NULL && lc->calls==NULL)
1924                         toggle_video_preview(lc,TRUE);
1925 #ifdef VIDEO_ENABLED
1926                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1927 #endif
1928         }else{
1929                 if (lc->previewstream!=NULL)
1930                         toggle_video_preview(lc,FALSE);
1931         }
1932
1933         linphone_core_run_hooks(lc);
1934         linphone_core_do_plugin_tasks(lc);
1935
1936         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1937             (curtime-lc->netup_time)>3){
1938                 linphone_core_send_initial_subscribes(lc);
1939                 lc->initial_subscribes_sent=TRUE;
1940         }
1941
1942         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1943                 lp_config_sync(lc->config);
1944         }
1945 }
1946
1947 /**
1948  * Interpret a call destination as supplied by the user, and returns a fully qualified
1949  * LinphoneAddress.
1950  *
1951  * A sip address should look like DisplayName <sip:username@domain:port> .
1952  * Basically this function performs the following tasks
1953  * - if a phone number is entered, prepend country prefix of the default proxy
1954  *   configuration, eventually escape the '+' by 00.
1955  * - if no domain part is supplied, append the domain name of the default proxy
1956  * - if no sip: is present, prepend it
1957  *
1958  * The result is a syntaxically correct SIP address.
1959 **/
1960
1961 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1962         enum_lookup_res_t *enumres=NULL;
1963         char *enum_domain=NULL;
1964         LinphoneProxyConfig *proxy=lc->default_proxy;;
1965         char *tmpurl;
1966         LinphoneAddress *uri;
1967
1968         if (is_enum(url,&enum_domain)){
1969                 if (lc->vtable.display_status!=NULL)
1970                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1971                 if (enum_lookup(enum_domain,&enumres)<0){
1972                         if (lc->vtable.display_status!=NULL)
1973                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1974                         ms_free(enum_domain);
1975                         return NULL;
1976                 }
1977                 ms_free(enum_domain);
1978                 tmpurl=enumres->sip_address[0];
1979                 uri=linphone_address_new(tmpurl);
1980                 enum_lookup_res_free(enumres);
1981                 return uri;
1982         }
1983         /* check if we have a "sip:" */
1984         if (strstr(url,"sip:")==NULL){
1985                 /* this doesn't look like a true sip uri */
1986                 if (strchr(url,'@')!=NULL){
1987                         /* seems like sip: is missing !*/
1988                         tmpurl=ms_strdup_printf("sip:%s",url);
1989                         uri=linphone_address_new(tmpurl);
1990                         ms_free(tmpurl);
1991                         if (uri){
1992                                 return uri;
1993                         }
1994                 }
1995
1996                 if (proxy!=NULL){
1997                         /* append the proxy domain suffix */
1998                         const char *identity=linphone_proxy_config_get_identity(proxy);
1999                         char normalized_username[128];
2000                         uri=linphone_address_new(identity);
2001                         if (uri==NULL){
2002                                 return NULL;
2003                         }
2004                         linphone_address_set_display_name(uri,NULL);
2005                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2006                                                                 sizeof(normalized_username));
2007                         linphone_address_set_username(uri,normalized_username);
2008                         return uri;
2009                 }else return NULL;
2010         }
2011         uri=linphone_address_new(url);
2012         if (uri!=NULL){
2013                 return uri;
2014         }
2015         /* else we could not do anything with url given by user, so display an error */
2016         if (lc->vtable.display_warning!=NULL){
2017                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2018         }
2019         return NULL;
2020 }
2021
2022 /**
2023  * Returns the default identity SIP address.
2024  *
2025  * @ingroup proxies
2026  * This is an helper function:
2027  *
2028  * If no default proxy is set, this will return the primary contact (
2029  * see linphone_core_get_primary_contact() ). If a default proxy is set
2030  * it returns the registered identity on the proxy.
2031 **/
2032 const char * linphone_core_get_identity(LinphoneCore *lc){
2033         LinphoneProxyConfig *proxy=NULL;
2034         const char *from;
2035         linphone_core_get_default_proxy(lc,&proxy);
2036         if (proxy!=NULL) {
2037                 from=linphone_proxy_config_get_identity(proxy);
2038         }else from=linphone_core_get_primary_contact(lc);
2039         return from;
2040 }
2041
2042 const char * linphone_core_get_route(LinphoneCore *lc){
2043         LinphoneProxyConfig *proxy=NULL;
2044         const char *route=NULL;
2045         linphone_core_get_default_proxy(lc,&proxy);
2046         if (proxy!=NULL) {
2047                 route=linphone_proxy_config_get_route(proxy);
2048         }
2049         return route;
2050 }
2051
2052 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2053         if (call->refer_pending){
2054                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2055                 LinphoneCall *newcall;
2056                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2057                 cp->referer=call;
2058                 ms_message("Starting new call to refered address %s",call->refer_to);
2059                 call->refer_pending=FALSE;
2060                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2061                 linphone_call_params_destroy(cp);
2062                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2063         }
2064 }
2065
2066 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2067         if (referer->op!=NULL){
2068                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2069         }
2070 }
2071
2072 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2073         const MSList *elem;
2074         LinphoneProxyConfig *found_cfg=NULL;
2075         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2076
2077         /*always prefer the default proxy if it is matching the destination uri*/
2078         if (default_cfg){
2079                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2080                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2081                         return default_cfg;
2082         }
2083
2084         /*otherwise iterate through the other proxy config and return the first matching*/
2085         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2086                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2087                 const char *domain=linphone_proxy_config_get_domain(cfg);
2088                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2089                         found_cfg=cfg;
2090                         break;
2091                 }
2092         }
2093         return found_cfg;
2094 }
2095
2096 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2097         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2098         if (cfg==NULL)
2099                 linphone_core_get_default_proxy (lc,&cfg);
2100         if (cfg!=NULL){
2101                 if (route) *route=linphone_proxy_config_get_route(cfg);
2102                 return linphone_proxy_config_get_identity (cfg);
2103         }
2104         return linphone_core_get_primary_contact (lc);
2105 }
2106
2107 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2108         LinphoneAddress *ctt;
2109         const char *localip=call->localip;
2110
2111         /* first use user's supplied ip address if asked*/
2112         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2113                 ctt=linphone_core_get_primary_contact_parsed(lc);
2114                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2115                         linphone_core_get_nat_address_resolved(lc));
2116         }
2117
2118         /* if already choosed, don't change it */
2119         if (call->op && sal_op_get_contact(call->op)!=NULL){
2120                 return NULL;
2121         }
2122         /* if the ping OPTIONS request succeeded use the contact guessed from the
2123          received, rport*/
2124         if (call->ping_op){
2125                 const char *guessed=sal_op_get_contact(call->ping_op);
2126                 if (guessed){
2127                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2128                         return ms_strdup(guessed);
2129                 }
2130         }
2131
2132         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2133         if (dest_proxy && dest_proxy->op){
2134                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2135                 if (fixed_contact) {
2136                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2137                         return ms_strdup(fixed_contact);
2138                 }
2139         }
2140
2141         ctt=linphone_core_get_primary_contact_parsed(lc);
2142
2143         if (ctt!=NULL){
2144                 char *ret;
2145                 /*otherwise use supllied localip*/
2146                 linphone_address_set_domain(ctt,localip);
2147                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2148                 ret=linphone_address_as_string_uri_only(ctt);
2149                 linphone_address_destroy(ctt);
2150                 ms_message("Contact has been fixed using local ip to %s",ret);
2151                 return ret;
2152         }
2153         return NULL;
2154 }
2155
2156 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2157         bool_t ice_ready = FALSE;
2158         bool_t ping_ready = FALSE;
2159
2160         if (call->ice_session != NULL) {
2161                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2162         } else {
2163                 ice_ready = TRUE;
2164         }
2165         if (call->ping_op != NULL) {
2166                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2167         } else {
2168                 ping_ready = TRUE;
2169         }
2170
2171         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2172                 return linphone_core_start_invite(lc, call, dest_proxy);
2173         }
2174         return 0;
2175 }
2176
2177 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2178         int err;
2179         char *contact;
2180         char *real_url,*barmsg;
2181         char *from;
2182
2183         /*try to be best-effort in giving real local or routable contact address */
2184         contact=get_fixed_contact(lc,call,dest_proxy);
2185         if (contact){
2186                 sal_op_set_contact(call->op, contact);
2187                 ms_free(contact);
2188         }
2189         linphone_core_stop_dtmf_stream(lc);
2190         linphone_call_init_media_streams(call);
2191         if (lc->ringstream==NULL)
2192                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2193         if (!lc->sip_conf.sdp_200_ack){
2194                 call->media_pending=TRUE;
2195                 if (call->ice_session != NULL)
2196                         linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2197                 sal_call_set_local_media_description(call->op,call->localdesc);
2198         }
2199         real_url=linphone_address_as_string(call->log->to);
2200         from=linphone_address_as_string(call->log->from);
2201         err=sal_call(call->op,from,real_url);
2202
2203         if (lc->sip_conf.sdp_200_ack){
2204                 call->media_pending=TRUE;
2205                 sal_call_set_local_media_description(call->op,call->localdesc);
2206         }
2207         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2208         if (lc->vtable.display_status!=NULL)
2209                 lc->vtable.display_status(lc,barmsg);
2210         ms_free(barmsg);
2211
2212         if (err<0){
2213                 if (lc->vtable.display_status!=NULL)
2214                         lc->vtable.display_status(lc,_("Could not call"));
2215                 linphone_call_stop_media_streams(call);
2216                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2217         }else {
2218                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2219         }
2220         ms_free(real_url);
2221         ms_free(from);
2222         return err;
2223 }
2224
2225 /**
2226  * Initiates an outgoing call
2227  *
2228  * @ingroup call_control
2229  * @param lc the LinphoneCore object
2230  * @param url the destination of the call (sip address, or phone number).
2231  *
2232  * The application doesn't own a reference to the returned LinphoneCall object.
2233  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2234  *
2235  * @return a LinphoneCall object or NULL in case of failure
2236 **/
2237 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2238         LinphoneCall *call;
2239         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2240         p->has_video &= !!lc->video_policy.automatically_initiate;
2241         call=linphone_core_invite_with_params(lc,url,p);
2242         linphone_call_params_destroy(p);
2243         return call;
2244 }
2245
2246
2247 /**
2248  * Initiates an outgoing call according to supplied call parameters
2249  *
2250  * @ingroup call_control
2251  * @param lc the LinphoneCore object
2252  * @param url the destination of the call (sip address, or phone number).
2253  * @param p call parameters
2254  *
2255  * The application doesn't own a reference to the returned LinphoneCall object.
2256  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2257  *
2258  * @return a LinphoneCall object or NULL in case of failure
2259 **/
2260 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2261         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2262         if (addr){
2263                 LinphoneCall *call;
2264                 call=linphone_core_invite_address_with_params(lc,addr,p);
2265                 linphone_address_destroy(addr);
2266                 return call;
2267         }
2268         return NULL;
2269 }
2270
2271 /**
2272  * Initiates an outgoing call given a destination LinphoneAddress
2273  *
2274  * @ingroup call_control
2275  * @param lc the LinphoneCore object
2276  * @param addr the destination of the call (sip address).
2277  *
2278  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2279  * created by linphone_core_interpret_url().
2280  * The application doesn't own a reference to the returned LinphoneCall object.
2281  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2282  *
2283  * @return a LinphoneCall object or NULL in case of failure
2284 **/
2285 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2286         LinphoneCall *call;
2287         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2288         p->has_video &= !!lc->video_policy.automatically_initiate;
2289         call=linphone_core_invite_address_with_params (lc,addr,p);
2290         linphone_call_params_destroy(p);
2291         return call;
2292 }
2293
2294
2295 /**
2296  * Initiates an outgoing call given a destination LinphoneAddress
2297  *
2298  * @ingroup call_control
2299  * @param lc the LinphoneCore object
2300  * @param addr the destination of the call (sip address).
2301         @param params call parameters
2302  *
2303  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2304  * created by linphone_core_interpret_url().
2305  * The application doesn't own a reference to the returned LinphoneCall object.
2306  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2307  *
2308  * @return a LinphoneCall object or NULL in case of failure
2309 **/
2310 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2311 {
2312         const char *route=NULL;
2313         const char *from=NULL;
2314         LinphoneProxyConfig *proxy=NULL;
2315         LinphoneAddress *parsed_url2=NULL;
2316         char *real_url=NULL;
2317         LinphoneProxyConfig *dest_proxy=NULL;
2318         LinphoneCall *call;
2319         bool_t use_ice = FALSE;
2320
2321         linphone_core_preempt_sound_resources(lc);
2322
2323         if(!linphone_core_can_we_add_call(lc)){
2324                 if (lc->vtable.display_warning)
2325                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2326                 return NULL;
2327         }
2328         linphone_core_get_default_proxy(lc,&proxy);
2329         route=linphone_core_get_route(lc);
2330
2331         real_url=linphone_address_as_string(addr);
2332         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2333
2334         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2335                 ms_message("Overriding default proxy setting for this call:");
2336                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2337         }
2338
2339         if (dest_proxy!=NULL)
2340                 from=linphone_proxy_config_get_identity(dest_proxy);
2341         else if (proxy!=NULL)
2342                 from=linphone_proxy_config_get_identity(proxy);
2343
2344         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2345         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2346
2347         parsed_url2=linphone_address_new(from);
2348
2349         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2350         sal_op_set_route(call->op,route);
2351
2352         if(linphone_core_add_call(lc,call)!= 0)
2353         {
2354                 ms_warning("we had a problem in adding the call into the invite ... weird");
2355                 linphone_call_unref(call);
2356                 return NULL;
2357         }
2358         /* this call becomes now the current one*/
2359         lc->current_call=call;
2360         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2361         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2362                 /* Defer the start of the call after the ICE gathering process. */
2363                 linphone_call_init_media_streams(call);
2364                 linphone_call_start_media_streams_for_ice_gathering(call);
2365                 call->start_time=time(NULL);
2366                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2367                         /* Ice candidates gathering failed, proceed with the call anyway. */
2368                         linphone_call_delete_ice_session(call);
2369                         linphone_call_stop_media_streams(call);
2370                 } else {
2371                         use_ice = TRUE;
2372                 }
2373         }
2374
2375         if (dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2376                 /*defer the start of the call after the OPTIONS ping*/
2377                 call->ping_replied=FALSE;
2378                 call->ping_op=sal_op_new(lc->sal);
2379                 sal_ping(call->ping_op,from,real_url);
2380                 sal_op_set_user_pointer(call->ping_op,call);
2381                 call->start_time=time(NULL);
2382         }else{
2383                 if (use_ice==FALSE) linphone_core_start_invite(lc,call,dest_proxy);
2384         }
2385
2386         if (real_url!=NULL) ms_free(real_url);
2387         return call;
2388 }
2389
2390 /**
2391  * Performs a simple call transfer to the specified destination.
2392  *
2393  * The remote endpoint is expected to issue a new call to the specified destination.
2394  * The current call remains active and thus can be later paused or terminated.
2395 **/
2396 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2397 {
2398         char *real_url=NULL;
2399         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2400
2401         if (!real_parsed_url){
2402                 /* bad url */
2403                 return -1;
2404         }
2405         if (call==NULL){
2406                 ms_warning("No established call to refer.");
2407                 return -1;
2408         }
2409         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2410         real_url=linphone_address_as_string (real_parsed_url);
2411         sal_call_refer(call->op,real_url);
2412         ms_free(real_url);
2413         linphone_address_destroy(real_parsed_url);
2414         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2415         return 0;
2416 }
2417
2418 /**
2419  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2420  * @param lc linphone core object
2421  * @param call a running call you want to transfer
2422  * @param dest a running call whose remote person will receive the transfer
2423  *
2424  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2425  * The destination call is a call previously established to introduce the transfered person.
2426  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2427  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2428  * close the call with us (the 'dest' call).
2429 **/
2430 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2431         int result = sal_call_refer_with_replaces (call->op,dest->op);
2432         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2433         return result;
2434 }
2435
2436 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2437         LinphoneCall *call = linphone_core_get_current_call(lc);
2438         if(call != NULL)
2439         {
2440                 if(call->dir==LinphoneCallIncoming
2441                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2442                         return TRUE;
2443         }
2444         return FALSE;
2445 }
2446
2447 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2448         char *barmesg;
2449         char *tmp;
2450         LinphoneAddress *from_parsed;
2451         SalMediaDescription *md;
2452         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2453         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2454
2455         if (call->ice_session != NULL)
2456                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2457         md=sal_call_get_final_media_description(call->op);
2458         if (md && sal_media_description_empty(md)){
2459                 sal_call_decline(call->op,SalReasonMedia,NULL);
2460                 linphone_call_unref(call);
2461                 return;
2462         }
2463
2464         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2465         linphone_address_clean(from_parsed);
2466         tmp=linphone_address_as_string(from_parsed);
2467         linphone_address_destroy(from_parsed);
2468         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2469             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2470         if (lc->vtable.show) lc->vtable.show(lc);
2471         if (lc->vtable.display_status)
2472             lc->vtable.display_status(lc,barmesg);
2473
2474         /* play the ring if this is the only call*/
2475         if (ms_list_size(lc->calls)==1){
2476                 lc->current_call=call;
2477                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2478                         ring_stop(lc->ringstream);
2479                         lc->ringstream=NULL;
2480                         lc->dmfs_playing_start_time=0;
2481                 }
2482                 if (lc->sound_conf.ring_sndcard!=NULL){
2483                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2484                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2485                                 ms_message("Starting local ring...");
2486                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2487                         }
2488                         else
2489                         {
2490                                 ms_message("the local ring is already started");
2491                         }
2492                 }
2493         }else{
2494                 /* else play a tone within the context of the current call */
2495                 call->ringing_beep=TRUE;
2496                 linphone_core_play_tone(lc);
2497         }
2498
2499         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2500
2501         if (call->state==LinphoneCallIncomingReceived){
2502                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2503
2504                 if (propose_early_media || ringback_tone!=NULL){
2505                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2506                         md=sal_call_get_final_media_description(call->op);
2507                         linphone_core_update_streams(lc,call,md);
2508                 }
2509                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2510                         linphone_core_accept_call(lc,call);
2511                 }
2512         }
2513         linphone_call_unref(call);
2514
2515         ms_free(barmesg);
2516         ms_free(tmp);
2517 }
2518
2519 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2520         const char *subject;
2521         call->camera_active=call->params.has_video;
2522         update_local_media_description(lc,call);
2523         if (call->ice_session != NULL)
2524                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2525
2526         if (call->params.in_conference){
2527                 subject="Conference";
2528         }else{
2529                 subject="Media change";
2530         }
2531         if (lc->vtable.display_status)
2532                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2533         sal_call_set_local_media_description (call->op,call->localdesc);
2534         return sal_call_update(call->op,subject);
2535 }
2536
2537 /**
2538  * @ingroup call_control
2539  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2540  *
2541  * In this version this is limited to the following use cases:
2542  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2543  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2544  *
2545  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2546  * @param lc the core
2547  * @param call the call to be updated
2548  * @param params the new call parameters to use. (may be NULL)
2549  * @return 0 if successful, -1 otherwise.
2550 **/
2551 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2552         int err=0;
2553         if (params!=NULL){
2554 #ifdef VIDEO_ENABLED
2555                 bool_t has_video = call->params.has_video;
2556                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2557                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2558                         call->videostream->ice_check_list = NULL;
2559                 }
2560                 call->params = *params;
2561                 if ((call->ice_session != NULL) && (ice_session_state(call->ice_session) != IS_Completed) && !has_video && params->has_video) {
2562                         /* Defer call update until the ICE candidates gathering process has finished. */
2563                         ms_message("Defer call update to gather ICE candidates");
2564                         update_local_media_description(lc, call);
2565                         linphone_call_init_video_stream(call);
2566                         video_stream_prepare_video(call->videostream);
2567                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2568                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2569                                 linphone_call_delete_ice_session(call);
2570                         } else return err;
2571                 }
2572 #endif
2573                 err = linphone_core_start_update_call(lc, call);
2574         }else{
2575 #ifdef VIDEO_ENABLED
2576                 if (call->videostream!=NULL){
2577                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2578                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2579                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2580                         }else video_stream_update_video_params(call->videostream);
2581                 }
2582 #endif
2583         }
2584
2585         return err;
2586 }
2587
2588 /**
2589  * @ingroup call_control
2590  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2591  *
2592  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2593  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2594  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2595  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2596  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2597  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2598  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2599  *
2600  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2601 **/
2602 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2603         if (call->state==LinphoneCallUpdatedByRemote){
2604                 call->defer_update=TRUE;
2605                 return 0;
2606         }
2607         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2608         return -1;
2609 }
2610
2611 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2612         SalMediaDescription *md;
2613         if (call->ice_session != NULL) {
2614                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2615                         /* Defer the sending of the answer until there are no losing pairs left. */
2616                         return 0;
2617                 }
2618                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2619         }
2620         sal_call_set_local_media_description(call->op,call->localdesc);
2621         sal_call_accept(call->op);
2622         md=sal_call_get_final_media_description(call->op);
2623         if (md && !sal_media_description_empty(md))
2624                 linphone_core_update_streams (lc,call,md);
2625         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2626         return 0;
2627 }
2628
2629 /**
2630  * @ingroup call_control
2631  * Accept call modifications initiated by other end.
2632  *
2633  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2634  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2635  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2636  * requested by the other party, such as whether a video stream is requested.
2637  *
2638  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2639  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2640  * If params is not NULL, then the update will be accepted according to the parameters passed.
2641  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2642  * (see linphone_call_params_enable_video()).
2643  * @param lc the linphone core object.
2644  * @param call the LinphoneCall object
2645  * @param params a LinphoneCallParams object describing the call parameters to accept.
2646  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2647 **/
2648 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2649         bool_t old_has_video = call->params.has_video;
2650         if (call->state!=LinphoneCallUpdatedByRemote){
2651                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2652                          linphone_call_state_to_string(call->state));
2653                 return -1;
2654         }
2655         if (params==NULL){
2656                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2657         }else
2658                 call->params=*params;
2659
2660         if (call->current_params.in_conference) {
2661                 ms_warning("Video isn't supported in conference");
2662                 call->params.has_video = FALSE;
2663         }
2664         call->camera_active=call->params.has_video;
2665         update_local_media_description(lc,call);
2666         if (call->ice_session != NULL) {
2667                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2668 #ifdef VIDEO_ENABLED
2669                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2670                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2671                                 linphone_call_init_video_stream(call);
2672                                 video_stream_prepare_video(call->videostream);
2673                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2674                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2675                                         linphone_call_delete_ice_session(call);
2676                                 } else return 0;
2677                         }
2678                 }
2679 #endif
2680         }
2681         linphone_core_start_accept_call_update(lc, call);
2682         return 0;
2683 }
2684
2685 /**
2686  * Accept an incoming call.
2687  *
2688  * @ingroup call_control
2689  * Basically the application is notified of incoming calls within the
2690  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2691  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2692  * The application can later accept the call using this method.
2693  * @param lc the LinphoneCore object
2694  * @param call the LinphoneCall object representing the call to be answered.
2695  *
2696 **/
2697 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2698         return linphone_core_accept_call_with_params(lc,call,NULL);
2699 }
2700
2701 /**
2702  * Accept an incoming call, with parameters.
2703  *
2704  * @ingroup call_control
2705  * Basically the application is notified of incoming calls within the
2706  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2707  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2708  * The application can later accept the call using
2709  * this method.
2710  * @param lc the LinphoneCore object
2711  * @param call the LinphoneCall object representing the call to be answered.
2712  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2713  *
2714 **/
2715 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2716 {
2717         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2718         const char *contact=NULL;
2719         SalOp *replaced;
2720         SalMediaDescription *new_md;
2721         bool_t was_ringing=FALSE;
2722
2723         if (call==NULL){
2724                 //if just one call is present answer the only one ...
2725                 if(linphone_core_get_calls_nb (lc) != 1)
2726                         return -1;
2727                 else
2728                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2729         }
2730
2731         if (call->state==LinphoneCallConnected){
2732                 /*call already accepted*/
2733                 return -1;
2734         }
2735
2736         /* check if this call is supposed to replace an already running one*/
2737         replaced=sal_call_get_replaces(call->op);
2738         if (replaced){
2739                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2740                 if (rc){
2741                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2742                                    call,rc);
2743                         linphone_core_terminate_call(lc,rc);
2744                 }
2745         }
2746
2747         if (lc->current_call!=call){
2748                 linphone_core_preempt_sound_resources(lc);
2749         }
2750
2751         /*stop ringing */
2752         if (lc->ringstream!=NULL) {
2753                 ms_message("stop ringing");
2754                 ring_stop(lc->ringstream);
2755                 ms_message("ring stopped");
2756                 lc->ringstream=NULL;
2757                 was_ringing=TRUE;
2758         }
2759         if (call->ringing_beep){
2760                 linphone_core_stop_dtmf(lc);
2761                 call->ringing_beep=FALSE;
2762         }
2763
2764         linphone_core_get_default_proxy(lc,&cfg);
2765         dest_proxy=cfg;
2766         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2767
2768         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2769                 ms_message("Overriding default proxy setting for this call:");
2770                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2771         }
2772         /*try to be best-effort in giving real local or routable contact address*/
2773         contact=get_fixed_contact(lc,call,dest_proxy);
2774         if (contact)
2775                 sal_op_set_contact(call->op,contact);
2776
2777         if (call->audiostream==NULL)
2778                 linphone_call_init_media_streams(call);
2779         if (!was_ringing && call->audiostream->ticker==NULL){
2780                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2781         }
2782
2783         if (params){
2784                 call->params=*params;
2785                 call->camera_active=call->params.has_video;
2786                 update_local_media_description(lc,call);
2787                 sal_call_set_local_media_description(call->op,call->localdesc);
2788         }
2789
2790         sal_call_accept(call->op);
2791         if (lc->vtable.display_status!=NULL)
2792                 lc->vtable.display_status(lc,_("Connected."));
2793         lc->current_call=call;
2794         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2795         new_md=sal_call_get_final_media_description(call->op);
2796         linphone_core_update_streams(lc, call, new_md);
2797         if (new_md){
2798                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2799         }else call->media_pending=TRUE;
2800
2801         ms_message("call answered.");
2802         return 0;
2803 }
2804
2805 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2806         sal_call_terminate(call->op);
2807
2808         /*stop ringing*/
2809         if (lc->ringstream!=NULL) {
2810                 ring_stop(lc->ringstream);
2811                 lc->ringstream=NULL;
2812         }
2813         linphone_call_stop_media_streams(call);
2814         if (lc->vtable.display_status!=NULL)
2815                 lc->vtable.display_status(lc,_("Call aborted") );
2816         linphone_call_set_state(call,LinphoneCallError,error);
2817         return 0;
2818 }
2819
2820 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2821         if (call->state==LinphoneCallIncomingReceived){
2822                 if (call->reason!=LinphoneReasonNotAnswered)
2823                         call->reason=LinphoneReasonDeclined;
2824         }
2825         /*stop ringing*/
2826         if (lc->ringstream!=NULL) {
2827                 ring_stop(lc->ringstream);
2828                 lc->ringstream=NULL;
2829         }
2830
2831         linphone_call_stop_media_streams(call);
2832         if (lc->vtable.display_status!=NULL)
2833                 lc->vtable.display_status(lc,_("Call ended") );
2834 }
2835
2836 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2837         if (call->state==LinphoneCallIncomingReceived){
2838                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2839                 call->reason=LinphoneReasonDeclined;
2840                 terminate_call(lc,call);
2841                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2842         }else{
2843                 ms_error("Bad state for call redirection.");
2844                 return -1;
2845     }
2846         return 0;
2847 }
2848
2849
2850 /**
2851  * Terminates a call.
2852  *
2853  * @ingroup call_control
2854  * @param lc the LinphoneCore
2855  * @param the_call the LinphoneCall object representing the call to be terminated.
2856 **/
2857 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2858 {
2859         LinphoneCall *call;
2860         if (the_call == NULL){
2861                 call = linphone_core_get_current_call(lc);
2862                 if (ms_list_size(lc->calls)==1){
2863                         call=(LinphoneCall*)lc->calls->data;
2864                 }else{
2865                         ms_warning("No unique call to terminate !");
2866                         return -1;
2867                 }
2868         }
2869         else
2870         {
2871                 call = the_call;
2872         }
2873         sal_call_terminate(call->op);
2874         terminate_call(lc,call);
2875
2876         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2877         return 0;
2878 }
2879
2880 /**
2881  * Terminates all the calls.
2882  *
2883  * @ingroup call_control
2884  * @param lc The LinphoneCore
2885 **/
2886 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2887         MSList *calls=lc->calls;
2888         while(calls) {
2889                 LinphoneCall *c=(LinphoneCall*)calls->data;
2890                 calls=calls->next;
2891                 linphone_core_terminate_call(lc,c);
2892         }
2893         return 0;
2894 }
2895
2896 /**
2897  * Returns the current list of calls.
2898  *
2899  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2900  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2901  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2902  *
2903  * @ingroup call_control
2904 **/
2905 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2906 {
2907         return lc->calls;
2908 }
2909
2910 /**
2911  * Returns TRUE if there is a call running.
2912  *
2913  * @ingroup call_control
2914 **/
2915 bool_t linphone_core_in_call(const LinphoneCore *lc){
2916         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2917 }
2918
2919 /**
2920  * Returns The _LinphoneCall struct of the current call if one is in call
2921  *
2922  * @ingroup call_control
2923 **/
2924 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2925 {
2926         return lc->current_call;
2927 }
2928
2929 /**
2930  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2931  * this file will be played to the remote user.
2932  *
2933  * @ingroup call_control
2934 **/
2935 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2936 {
2937         const char *subject=NULL;
2938
2939         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2940                 ms_warning("Cannot pause this call, it is not active.");
2941                 return -1;
2942         }
2943         update_local_media_description(lc,call);
2944         if (call->ice_session != NULL)
2945                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2946         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2947                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2948                 subject="Call on hold";
2949         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2950                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2951                 subject="Call on hold for me too";
2952         }else{
2953                 ms_error("No reason to pause this call, it is already paused or inactive.");
2954                 return -1;
2955         }
2956         sal_call_set_local_media_description(call->op,call->localdesc);
2957         if (sal_call_update(call->op,subject) != 0){
2958                 if (lc->vtable.display_warning)
2959                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2960         }
2961         lc->current_call=NULL;
2962         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2963         if (lc->vtable.display_status)
2964                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2965         if (call->audiostream || call->videostream)
2966                 linphone_call_stop_media_streams (call);
2967         return 0;
2968 }
2969
2970 /**
2971  * Pause all currently running calls.
2972 **/
2973 int linphone_core_pause_all_calls(LinphoneCore *lc){
2974         const MSList *elem;
2975         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2976                 LinphoneCall *call=(LinphoneCall *)elem->data;
2977                 LinphoneCallState cs=linphone_call_get_state(call);
2978                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2979                         linphone_core_pause_call(lc,call);
2980                 }
2981         }
2982         return 0;
2983 }
2984
2985 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2986         LinphoneCall *current_call;
2987         if (linphone_core_is_in_conference(lc)){
2988                 linphone_core_leave_conference(lc);
2989                 return;
2990         }
2991         current_call=linphone_core_get_current_call(lc);
2992         if(current_call != NULL){
2993                 ms_message("Pausing automatically the current call.");
2994                 linphone_core_pause_call(lc,current_call);
2995         }
2996 }
2997
2998 /**
2999  * Resumes the call.
3000  *
3001  * @ingroup call_control
3002 **/
3003 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3004 {
3005         char temp[255]={0};
3006         LinphoneCall *call = the_call;
3007         const char *subject="Call resuming";
3008
3009         if(call->state!=LinphoneCallPaused ){
3010                 ms_warning("we cannot resume a call that has not been established and paused before");
3011                 return -1;
3012         }
3013         if (call->params.in_conference==FALSE){
3014                 linphone_core_preempt_sound_resources(lc);
3015                 ms_message("Resuming call %p",call);
3016         }
3017
3018         /* Stop playing music immediately. If remote side is a conference it
3019          prevents the participants to hear it while the 200OK comes back.*/
3020         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3021
3022         update_local_media_description(lc,the_call);
3023         if (call->ice_session != NULL)
3024                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3025         sal_call_set_local_media_description(call->op,call->localdesc);
3026         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3027         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3028         if(sal_call_update(call->op,subject) != 0){
3029                 return -1;
3030         }
3031         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3032         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3033         if (lc->vtable.display_status)
3034                 lc->vtable.display_status(lc,temp);
3035         return 0;
3036 }
3037
3038 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3039         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3040         return !linphone_address_weak_equal (addr,raddr);
3041 }
3042
3043 /**
3044  * Get the call with the remote_address specified
3045  * @param lc
3046  * @param remote_address
3047  * @return the LinphoneCall of the call if found
3048  */
3049 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3050         LinphoneAddress *raddr=linphone_address_new(remote_address);
3051         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3052         if (elem) return (LinphoneCall*) elem->data;
3053         return NULL;
3054 }
3055
3056 int linphone_core_send_publish(LinphoneCore *lc,
3057                                LinphoneOnlineStatus presence_mode)
3058 {
3059         const MSList *elem;
3060         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3061                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3062                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3063         }
3064         return 0;
3065 }
3066
3067 /**
3068  * Set the incoming call timeout in seconds.
3069  *
3070  * @ingroup call_control
3071  * If an incoming call isn't answered for this timeout period, it is
3072  * automatically declined.
3073 **/
3074 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3075         lc->sip_conf.inc_timeout=seconds;
3076 }
3077
3078 /**
3079  * Returns the incoming call timeout
3080  *
3081  * @ingroup call_control
3082  * See linphone_core_set_inc_timeout() for details.
3083 **/
3084 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3085         return lc->sip_conf.inc_timeout;
3086 }
3087
3088 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3089                                                                                                         const char *contact,
3090                                                                                                         LinphoneOnlineStatus presence_mode)
3091 {
3092         if (minutes_away>0) lc->minutes_away=minutes_away;
3093
3094         if (lc->alt_contact!=NULL) {
3095                 ms_free(lc->alt_contact);
3096                 lc->alt_contact=NULL;
3097         }
3098         if (contact) lc->alt_contact=ms_strdup(contact);
3099         if (lc->presence_mode!=presence_mode){
3100                 linphone_core_notify_all_friends(lc,presence_mode);
3101                 /*
3102                    Improve the use of all LINPHONE_STATUS available.
3103                    !TODO Do not mix "presence status" with "answer status code"..
3104                    Use correct parameter to follow sip_if_match/sip_etag.
3105                  */
3106                 linphone_core_send_publish(lc,presence_mode);
3107         }
3108         lc->presence_mode=presence_mode;
3109 }
3110
3111 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3112         return lc->presence_mode;
3113 }
3114
3115 /**
3116  * Get playback sound level in 0-100 scale.
3117  *
3118  * @ingroup media_parameters
3119 **/
3120 int linphone_core_get_play_level(LinphoneCore *lc)
3121 {
3122         return lc->sound_conf.play_lev;
3123 }
3124
3125 /**
3126  * Get ring sound level in 0-100 scale
3127  *
3128  * @ingroup media_parameters
3129 **/
3130 int linphone_core_get_ring_level(LinphoneCore *lc)
3131 {
3132         return lc->sound_conf.ring_lev;
3133 }
3134
3135 /**
3136  * Get sound capture level in 0-100 scale
3137  *
3138  * @ingroup media_parameters
3139 **/
3140 int linphone_core_get_rec_level(LinphoneCore *lc){
3141         return lc->sound_conf.rec_lev;
3142 }
3143
3144 /**
3145  * Set sound ring level in 0-100 scale
3146  *
3147  * @ingroup media_parameters
3148 **/
3149 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3150         MSSndCard *sndcard;
3151         lc->sound_conf.ring_lev=level;
3152         sndcard=lc->sound_conf.ring_sndcard;
3153         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3154 }
3155
3156 /**
3157  * Allow to control play level before entering sound card:  gain in db
3158  *
3159  * @ingroup media_parameters
3160 **/
3161 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3162         float gain=gaindb;
3163         LinphoneCall *call=linphone_core_get_current_call (lc);
3164         AudioStream *st;
3165
3166         lc->sound_conf.soft_play_lev=gaindb;
3167
3168         if (call==NULL || (st=call->audiostream)==NULL){
3169                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3170                 return;
3171         }
3172         if (st->volrecv){
3173                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3174         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3175 }
3176
3177 /**
3178  * Get playback gain in db before entering  sound card.
3179  *
3180  * @ingroup media_parameters
3181 **/
3182 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3183         return lc->sound_conf.soft_play_lev;
3184 }
3185
3186 /**
3187  * Set sound playback level in 0-100 scale
3188  *
3189  * @ingroup media_parameters
3190 **/
3191 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3192         MSSndCard *sndcard;
3193         lc->sound_conf.play_lev=level;
3194         sndcard=lc->sound_conf.play_sndcard;
3195         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3196 }
3197
3198 /**
3199  * Set sound capture level in 0-100 scale
3200  *
3201  * @ingroup media_parameters
3202 **/
3203 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3204 {
3205         MSSndCard *sndcard;
3206         lc->sound_conf.rec_lev=level;
3207         sndcard=lc->sound_conf.capt_sndcard;
3208         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3209 }
3210
3211 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3212         MSSndCard *sndcard=NULL;
3213         if (devid!=NULL){
3214                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3215                 if (sndcard!=NULL &&
3216                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3217                         ms_warning("%s card does not have the %s capability, ignoring.",
3218                                 devid,
3219                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3220                         sndcard=NULL;
3221                 }
3222         }
3223         if (sndcard==NULL) {
3224                 /* get a card that has read+write capabilities */
3225                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3226                 /* otherwise refine to the first card having the right capability*/
3227                 if (sndcard==NULL){
3228                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3229                         for(;elem!=NULL;elem=elem->next){
3230                                 sndcard=(MSSndCard*)elem->data;
3231                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3232                         }
3233                 }
3234                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3235                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3236                         if (elem) sndcard=(MSSndCard*)elem->data;
3237         }
3238         }
3239         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3240         return sndcard;
3241 }
3242
3243 /**
3244  * Returns true if the specified sound device can capture sound.
3245  *
3246  * @ingroup media_parameters
3247  * @param lc The LinphoneCore object
3248  * @param devid the device name as returned by linphone_core_get_sound_devices()
3249 **/
3250 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3251         MSSndCard *sndcard;
3252         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3253         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3254         return FALSE;
3255 }
3256
3257 /**
3258  * Returns true if the specified sound device can play sound.
3259  *
3260  * @ingroup media_parameters
3261  * @param lc The LinphoneCore object
3262  * @param devid the device name as returned by linphone_core_get_sound_devices()
3263 **/
3264 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3265         MSSndCard *sndcard;
3266         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3267         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3268         return FALSE;
3269 }
3270
3271 /**
3272  * Sets the sound device used for ringing.
3273  *
3274  * @ingroup media_parameters
3275  * @param lc The LinphoneCore object
3276  * @param devid the device name as returned by linphone_core_get_sound_devices()
3277 **/
3278 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3279         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3280         lc->sound_conf.ring_sndcard=card;
3281         if (card && linphone_core_ready(lc))
3282                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3283         return 0;
3284 }
3285
3286 /**
3287  * Sets the sound device used for playback.
3288  *
3289  * @ingroup media_parameters
3290  * @param lc The LinphoneCore object
3291  * @param devid the device name as returned by linphone_core_get_sound_devices()
3292 **/
3293 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3294         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3295         lc->sound_conf.play_sndcard=card;
3296         if (card &&  linphone_core_ready(lc))
3297                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3298         return 0;
3299 }
3300
3301 /**
3302  * Sets the sound device used for capture.
3303  *
3304  * @ingroup media_parameters
3305  * @param lc The LinphoneCore object
3306  * @param devid the device name as returned by linphone_core_get_sound_devices()
3307 **/
3308 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3309         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3310         lc->sound_conf.capt_sndcard=card;
3311         if (card &&  linphone_core_ready(lc))
3312                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3313         return 0;
3314 }
3315
3316 /**
3317  * Returns the name of the currently assigned sound device for ringing.
3318  *
3319  * @ingroup media_parameters
3320  * @param lc The LinphoneCore object
3321 **/
3322 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3323 {
3324         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3325         return NULL;
3326 }
3327
3328 /**
3329  * Returns the name of the currently assigned sound device for playback.
3330  *
3331  * @ingroup media_parameters
3332  * @param lc The LinphoneCore object
3333 **/
3334 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3335 {
3336         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3337 }
3338
3339 /**
3340  * Returns the name of the currently assigned sound device for capture.
3341  *
3342  * @ingroup media_parameters
3343  * @param lc The LinphoneCore object
3344 **/
3345 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3346 {
3347         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3348 }
3349
3350 /**
3351  * Returns an unmodifiable array of available sound devices.
3352  *
3353  * The array is NULL terminated.
3354  *
3355  * @ingroup media_parameters
3356  * @param lc The LinphoneCore object
3357 **/
3358 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3359         return lc->sound_conf.cards;
3360 }
3361
3362 /**
3363  * Returns an unmodifiable array of available video capture devices.
3364  *
3365  * @ingroup media_parameters
3366  * The array is NULL terminated.
3367 **/
3368 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3369         return lc->video_conf.cams;
3370 }
3371
3372 /**
3373  * Update detection of sound devices.
3374  *
3375  * Use this function when the application is notified of USB plug events, so that
3376  * list of available hardwares for sound playback and capture is updated.
3377  **/
3378 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3379         const char *ringer,*playback,*capture;
3380         ringer=linphone_core_get_ringer_device(lc);
3381         playback=linphone_core_get_playback_device(lc);
3382         capture=linphone_core_get_capture_device(lc);
3383         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3384         build_sound_devices_table(lc);
3385         linphone_core_set_ringer_device(lc,ringer);
3386         linphone_core_set_playback_device(lc,playback);
3387         linphone_core_set_capture_device(lc,capture);
3388 }
3389
3390 /**
3391  * Update detection of camera devices.
3392  *
3393  * Use this function when the application is notified of USB plug events, so that
3394  * list of available hardwares for video capture is updated.
3395  **/
3396 void linphone_core_reload_video_devices(LinphoneCore *lc){
3397         const char *devid;
3398         devid=linphone_core_get_video_device(lc);
3399         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3400         build_video_devices_table(lc);
3401         linphone_core_set_video_device(lc,devid);
3402 }
3403
3404 char linphone_core_get_sound_source(LinphoneCore *lc)
3405 {
3406         return lc->sound_conf.source;
3407 }
3408
3409 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3410 {
3411         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3412         lc->sound_conf.source=source;
3413         if (!sndcard) return;
3414         switch(source){
3415                 case 'm':
3416                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3417                         break;
3418                 case 'l':
3419                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3420                         break;
3421         }
3422
3423 }
3424
3425
3426 /**
3427  * Sets the path to a wav file used for ringing.
3428  *
3429  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3430  * @param lc The LinphoneCore object
3431  *
3432  * @ingroup media_parameters
3433 **/
3434 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3435         if (lc->sound_conf.local_ring!=0){
3436                 ms_free(lc->sound_conf.local_ring);
3437                 lc->sound_conf.local_ring=NULL;
3438         }
3439         if (path)
3440                 lc->sound_conf.local_ring=ms_strdup(path);
3441         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3442                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3443 }
3444
3445 /**
3446  * Returns the path to the wav file used for ringing.
3447  *
3448  * @param lc The LinphoneCore object
3449  * @ingroup media_parameters
3450 **/
3451 const char *linphone_core_get_ring(const LinphoneCore *lc){
3452         return lc->sound_conf.local_ring;
3453 }
3454
3455 /**
3456  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3457  *
3458  * @param path
3459  * @param lc The LinphoneCore object
3460  *
3461  * @ingroup media_parameters
3462 **/
3463 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3464         sal_set_root_ca(lc->sal, path);
3465 }
3466
3467 /**
3468  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3469 **/
3470 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3471         sal_verify_server_certificates(lc->sal,yesno);
3472 }
3473
3474 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3475         LinphoneCore *lc=(LinphoneCore*)ud;
3476         lc->preview_finished=1;
3477 }
3478
3479 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3480 {
3481         if (lc->ringstream!=0){
3482                 ms_warning("Cannot start ring now,there's already a ring being played");
3483                 return -1;
3484         }
3485         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3486         lc->preview_finished=0;
3487         if (lc->sound_conf.ring_sndcard!=NULL){
3488                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3489                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3490         }
3491         return 0;
3492 }
3493
3494 /**
3495  * Sets the path to a wav file used for ringing back.
3496  *
3497  * Ringback means the ring that is heard when it's ringing at the remote party.
3498  * The file must be a wav 16bit linear.
3499  *
3500  * @ingroup media_parameters
3501 **/
3502 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3503         if (lc->sound_conf.remote_ring!=0){
3504                 ms_free(lc->sound_conf.remote_ring);
3505         }
3506         lc->sound_conf.remote_ring=ms_strdup(path);
3507 }
3508
3509 /**
3510  * Returns the path to the wav file used for ringing back.
3511  *
3512  * @ingroup media_parameters
3513 **/
3514 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3515         return lc->sound_conf.remote_ring;
3516 }
3517
3518 /**
3519  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3520  *
3521  * @ingroup media_parameters
3522 **/
3523 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3524         lc->sound_conf.ec=val;
3525         if ( linphone_core_ready(lc))
3526                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3527 }
3528
3529
3530 /**
3531  * Returns TRUE if echo cancellation is enabled.
3532  *
3533  * @ingroup media_parameters
3534 **/
3535 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3536         return lc->sound_conf.ec;
3537 }
3538
3539 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3540         lc->sound_conf.ea=val;
3541 }
3542
3543 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3544         return lc->sound_conf.ea;
3545 }
3546
3547 /**
3548  * Mutes or unmutes the local microphone.
3549  *
3550  * @ingroup media_parameters
3551 **/
3552 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3553         LinphoneCall *call=linphone_core_get_current_call(lc);
3554         AudioStream *st=NULL;
3555         if (linphone_core_is_in_conference(lc)){
3556                 lc->conf_ctx.local_muted=val;
3557                 st=lc->conf_ctx.local_participant;
3558         }else if (call==NULL){
3559                 ms_warning("linphone_core_mute_mic(): No current call !");
3560                 return;
3561         }else{
3562                 st=call->audiostream;
3563                 call->audio_muted=val;
3564         }
3565         if (st!=NULL){
3566                 audio_stream_set_mic_gain(st,
3567                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3568                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3569                         audio_stream_mute_rtp(st,val);
3570                 }
3571
3572         }
3573 }
3574 /**
3575  * Returns whether microphone is muted.
3576 **/
3577 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3578         LinphoneCall *call=linphone_core_get_current_call(lc);
3579         if (linphone_core_is_in_conference(lc)){
3580                 return lc->conf_ctx.local_muted;
3581         }else if (call==NULL){
3582                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3583                 return FALSE;
3584         }
3585         return call->audio_muted;
3586 }
3587
3588 // returns rtp transmission status for an active stream
3589 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3590 // was set on then rtp transmission is also muted
3591 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3592         LinphoneCall *call=linphone_core_get_current_call(lc);
3593         if (call==NULL){
3594                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3595                 return FALSE;
3596         }
3597         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3598                 return call->audio_muted;
3599         }
3600         return FALSE;
3601 }
3602
3603 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3604         lc->sound_conf.agc=val;
3605 }
3606
3607 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3608         return lc->sound_conf.agc;
3609 }
3610
3611 /**
3612  * Send the specified dtmf.
3613  *
3614  * @ingroup media_parameters
3615  * This function only works during calls. The dtmf is automatically played to the user.
3616  * @param lc The LinphoneCore object
3617  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3618  *
3619 **/
3620 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3621 {
3622         LinphoneCall *call=linphone_core_get_current_call(lc);
3623         if (call==NULL){
3624                 ms_warning("linphone_core_send_dtmf(): no active call");
3625                 return;
3626         }
3627         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3628         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3629         {
3630                 /* In Band DTMF */
3631                 if (call->audiostream!=NULL){
3632                         audio_stream_send_dtmf(call->audiostream,dtmf);
3633                 }
3634                 else
3635                 {
3636                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3637                 }
3638         }
3639         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3640                 /* Out of Band DTMF (use INFO method) */
3641                 sal_call_send_dtmf(call->op,dtmf);
3642         }
3643 }
3644
3645 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3646         if (lc->net_conf.stun_server!=NULL)
3647                 ms_free(lc->net_conf.stun_server);
3648         if (server)
3649                 lc->net_conf.stun_server=ms_strdup(server);
3650         else lc->net_conf.stun_server=NULL;
3651 }
3652
3653 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3654         return lc->net_conf.stun_server;
3655 }
3656
3657 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3658         return lc->net_conf.relay;
3659 }
3660
3661 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3662         if (lc->net_conf.relay!=NULL){
3663                 ms_free(lc->net_conf.relay);
3664                 lc->net_conf.relay=NULL;
3665         }
3666         if (addr){
3667                 lc->net_conf.relay=ms_strdup(addr);
3668         }
3669         return 0;
3670 }
3671
3672 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3673 {
3674         if (lc->net_conf.nat_address!=NULL){
3675                 ms_free(lc->net_conf.nat_address);
3676         }
3677         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3678         else lc->net_conf.nat_address=NULL;
3679         if (lc->sip_conf.contact) update_primary_contact(lc);
3680 }
3681
3682 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3683         return lc->net_conf.nat_address;
3684 }
3685
3686 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3687 {
3688         struct sockaddr_storage ss;
3689         socklen_t ss_len;
3690         int error;
3691         char ipstring [INET6_ADDRSTRLEN];
3692
3693         if (lc->net_conf.nat_address==NULL) return NULL;
3694
3695         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3696                 return lc->net_conf.nat_address;
3697         }
3698
3699         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3700                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3701         if (error) {
3702                 return lc->net_conf.nat_address;
3703         }
3704
3705         if (lc->net_conf.nat_address_ip!=NULL){
3706                 ms_free(lc->net_conf.nat_address_ip);
3707         }
3708         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3709         return lc->net_conf.nat_address_ip;
3710 }
3711
3712 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3713         lc->net_conf.firewall_policy=pol;
3714         if (lc->sip_conf.contact) update_primary_contact(lc);
3715 }
3716
3717 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3718         return lc->net_conf.firewall_policy;
3719 }
3720
3721 /**
3722  * Get the list of call logs (past calls).
3723  *
3724  * @ingroup call_logs
3725 **/
3726 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3727         return lc->call_logs;
3728 }
3729
3730 /**
3731  * Erase the call log.
3732  *
3733  * @ingroup call_logs
3734 **/
3735 void linphone_core_clear_call_logs(LinphoneCore *lc){
3736         lc->missed_calls=0;
3737         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3738         lc->call_logs=ms_list_free(lc->call_logs);
3739         call_logs_write_to_config_file(lc);
3740 }
3741
3742 /**
3743  * Returns number of missed calls.
3744  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3745 **/
3746 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3747         return lc->missed_calls;
3748 }
3749
3750 /**
3751  * Resets the counter of missed calls.
3752 **/
3753 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3754         lc->missed_calls=0;
3755 }
3756
3757 /**
3758  * Remove a specific call log from call history list.
3759  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3760  * @param lc the linphone core object
3761  * @param a LinphoneCallLog object.
3762 **/
3763 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3764         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3765         call_logs_write_to_config_file(lc);
3766         linphone_call_log_destroy(cl);
3767 }
3768
3769 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3770 #ifdef VIDEO_ENABLED
3771         if (val){
3772                 if (lc->previewstream==NULL){
3773                         lc->previewstream=video_preview_new();
3774                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3775                         if (lc->video_conf.displaytype)
3776                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3777                         if (lc->preview_window_id!=0)
3778                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3779                         video_preview_start(lc->previewstream,lc->video_conf.device);
3780                 }
3781         }else{
3782                 if (lc->previewstream!=NULL){
3783                         video_preview_stop(lc->previewstream);
3784                         lc->previewstream=NULL;
3785                 }
3786         }
3787 #endif
3788 }
3789
3790 /**
3791  * Enables video globally.
3792  *
3793  * @ingroup media_parameters
3794  * This function does not have any effect during calls. It just indicates LinphoneCore to
3795  * initiate future calls with video or not. The two boolean parameters indicate in which
3796  * direction video is enabled. Setting both to false disables video entirely.
3797  *
3798  * @param lc The LinphoneCore object
3799  * @param vcap_enabled indicates whether video capture is enabled
3800  * @param display_enabled indicates whether video display should be shown
3801  *
3802 **/
3803 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3804 #ifndef VIDEO_ENABLED
3805         if (vcap_enabled || display_enabled)
3806                 ms_warning("This version of linphone was built without video support.");
3807 #endif
3808         lc->video_conf.capture=vcap_enabled;
3809         lc->video_conf.display=display_enabled;
3810
3811         /* need to re-apply network bandwidth settings*/
3812         linphone_core_set_download_bandwidth(lc,
3813                 linphone_core_get_download_bandwidth(lc));
3814         linphone_core_set_upload_bandwidth(lc,
3815                 linphone_core_get_upload_bandwidth(lc));
3816 }
3817
3818 bool_t linphone_core_video_supported(LinphoneCore *lc){
3819 #ifdef VIDEO_ENABLED
3820         return TRUE;
3821 #else
3822         return FALSE;
3823 #endif
3824 }
3825
3826 /**
3827  * Returns TRUE if video is enabled, FALSE otherwise.
3828  * @ingroup media_parameters
3829 **/
3830 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3831         return (lc->video_conf.display || lc->video_conf.capture);
3832 }
3833
3834 /**
3835  * Sets the default policy for video.
3836  * This policy defines whether:
3837  * - video shall be initiated by default for outgoing calls
3838  * - video shall be accepter by default for incoming calls
3839  * @ingroup media_parameters
3840 **/
3841 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3842         lc->video_policy=*policy;
3843         if (linphone_core_ready(lc)){
3844                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3845                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3846         }
3847 }
3848
3849 /**
3850  * Get the default policy for video.
3851  * See linphone_core_set_video_policy() for more details.
3852  * @ingroup media_parameters
3853 **/
3854 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3855         return &lc->video_policy;
3856 }
3857
3858 /**
3859  * Controls video preview enablement.
3860  *
3861  * @ingroup media_parameters
3862  * Video preview refers to the action of displaying the local webcam image
3863  * to the user while not in call.
3864 **/
3865 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3866         lc->video_conf.show_local=val;
3867 }
3868
3869 /**
3870  * Returns TRUE if video previewing is enabled.
3871  * @ingroup media_parameters
3872 **/
3873 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3874         return lc->video_conf.show_local;
3875 }
3876
3877 /**
3878  * Enables or disable self view during calls.
3879  *
3880  * @ingroup media_parameters
3881  * Self-view refers to having local webcam image inserted in corner
3882  * of the video window during calls.
3883  * This function works at any time, including during calls.
3884 **/
3885 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3886 #ifdef VIDEO_ENABLED
3887         LinphoneCall *call=linphone_core_get_current_call (lc);
3888         lc->video_conf.selfview=val;
3889         if (call && call->videostream){
3890                 video_stream_enable_self_view(call->videostream,val);
3891         }
3892 #endif
3893 }
3894
3895 /**
3896  * Returns TRUE if self-view is enabled, FALSE otherwise.
3897  *
3898  * @ingroup media_parameters
3899  *
3900  * Refer to linphone_core_enable_self_view() for details.
3901 **/
3902 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3903         return lc->video_conf.selfview;
3904 }
3905
3906 /**
3907  * Sets the active video device.
3908  *
3909  * @ingroup media_parameters
3910  * @param lc The LinphoneCore object
3911  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3912 **/
3913 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3914         MSWebCam *olddev=lc->video_conf.device;
3915         const char *vd;
3916         if (id!=NULL){
3917                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3918                 if (lc->video_conf.device==NULL){
3919                         ms_warning("Could not found video device %s",id);
3920                 }
3921         }
3922         if (lc->video_conf.device==NULL)
3923                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3924         if (olddev!=NULL && olddev!=lc->video_conf.device){
3925                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3926         }
3927         if ( linphone_core_ready(lc) && lc->video_conf.device){
3928                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3929                 if (vd && strstr(vd,"Static picture")!=NULL){
3930                         vd=NULL;
3931                 }
3932                 lp_config_set_string(lc->config,"video","device",vd);
3933         }
3934         return 0;
3935 }
3936
3937 /**
3938  * Returns the name of the currently active video device.
3939  *
3940  * @param lc The LinphoneCore object
3941  * @ingroup media_parameters
3942 **/
3943 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3944         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3945         return NULL;
3946 }
3947
3948 #ifdef VIDEO_ENABLED
3949 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3950         VideoStream *vs = NULL;
3951         LinphoneCall *call=linphone_core_get_current_call (lc);
3952         /* Select the video stream from the call in the first place */
3953         if (call && call->videostream) {
3954                 vs = call->videostream;
3955         }
3956         /* If not in call, select the video stream from the preview */
3957         if (vs == NULL && lc->previewstream) {
3958                 vs = lc->previewstream;
3959         }
3960         return vs;
3961 }
3962 #endif
3963
3964 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3965 #ifdef VIDEO_ENABLED
3966         VideoStream *vs=get_active_video_stream(lc);
3967         /* If we have a video stream (either preview, either from call), we
3968                  have a source and it is using the static picture filter, then
3969                  force the filter to use that picture. */
3970         if (vs && vs->source) {
3971                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3972                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3973                                                                                                                 (void *)path);
3974                 }
3975         }
3976         /* Tell the static image filter to use that image from now on so
3977                  that the image will be used next time it has to be read */
3978         ms_static_image_set_default_image(path);
3979 #else
3980         ms_warning("Video support not compiled.");
3981 #endif
3982         return 0;
3983 }
3984
3985 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3986 #ifdef VIDEO_ENABLED
3987         VideoStream *vs = NULL;
3988
3989         vs=get_active_video_stream(lc);
3990
3991         /* If we have a video stream (either preview, either from call), we
3992                  have a source and it is using the static picture filter, then
3993                  force the filter to use that picture. */
3994         if (vs && vs->source) {
3995                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3996                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3997                 }
3998         }
3999 #else
4000         ms_warning("Video support not compiled.");
4001 #endif
4002         return 0;
4003 }
4004
4005 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4006 #ifdef VIDEO_ENABLED
4007         VideoStream *vs = NULL;
4008         vs=get_active_video_stream(lc);
4009         /* If we have a video stream (either preview, either from call), we
4010                  have a source and it is using the static picture filter, then
4011                  force the filter to use that picture. */
4012         if (vs && vs->source) {
4013                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4014
4015                         float fps;
4016
4017                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4018                         return fps;
4019                 }
4020         }
4021 #else
4022         ms_warning("Video support not compiled.");
4023 #endif
4024         return 0;
4025 }
4026
4027 /**
4028  * Returns the native window handle of the video window, casted as an unsigned long.
4029  *
4030  * @ingroup media_parameters
4031 **/
4032 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4033 #ifdef VIDEO_ENABLED
4034         LinphoneCall *call=linphone_core_get_current_call (lc);
4035         if (call && call->videostream)
4036                 return video_stream_get_native_window_id(call->videostream);
4037         if (lc->previewstream)
4038                 return video_stream_get_native_window_id(lc->previewstream);
4039 #endif
4040         return lc->video_window_id;
4041 }
4042
4043 /**@ingroup media_parameters
4044  * Set the native video window id where the video is to be displayed.
4045  * If not set the core will create its own window.
4046 **/
4047 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4048 #ifdef VIDEO_ENABLED
4049         LinphoneCall *call=linphone_core_get_current_call(lc);
4050         lc->video_window_id=id;
4051         if (call!=NULL && call->videostream){
4052                 video_stream_set_native_window_id(call->videostream,id);
4053         }
4054 #endif
4055 }
4056
4057 /**
4058  * Returns the native window handle of the video preview window, casted as an unsigned long.
4059  *
4060  * @ingroup media_parameters
4061 **/
4062 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4063 #ifdef VIDEO_ENABLED
4064         LinphoneCall *call=linphone_core_get_current_call (lc);
4065         if (call && call->videostream)
4066                 return video_stream_get_native_preview_window_id(call->videostream);
4067         if (lc->previewstream)
4068                 return video_preview_get_native_window_id(lc->previewstream);
4069 #endif
4070         return lc->preview_window_id;
4071 }
4072
4073 /**
4074  * @ingroup media_parameters
4075  * Set the native window id where the preview video (local camera) is to be displayed.
4076  * This has to be used in conjonction with linphone_core_use_preview_window().
4077  * If not set the core will create its own window.
4078 **/
4079 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4080         lc->preview_window_id=id;
4081 #ifdef VIDEO_ENABLED
4082         LinphoneCall *call=linphone_core_get_current_call(lc);
4083         if (call!=NULL && call->videostream){
4084                 video_stream_set_native_preview_window_id(call->videostream,id);
4085         }
4086 #endif
4087 }
4088
4089 /**
4090  * Can be used to disable video showing to free XV port
4091 **/
4092 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4093 #ifdef VIDEO_ENABLED
4094         ms_error("linphone_core_show_video %d", show);
4095         LinphoneCall *call=linphone_core_get_current_call(lc);
4096         if (call!=NULL && call->videostream){
4097                 video_stream_show_video(call->videostream,show);
4098         }
4099 #endif
4100 }
4101
4102 /**
4103  * Tells the core to use a separate window for local camera preview video, instead of
4104  * inserting local view within the remote video window.
4105  *
4106 **/
4107 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4108         lc->use_preview_window=yesno;
4109 }
4110 /**
4111  * @ingroup media_parameters
4112  *returns current device orientation
4113  */
4114 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4115         return lc->device_rotation;
4116 }
4117 /**
4118  * @ingroup media_parameters
4119  * Tells the core the device current orientation. This can be used by capture filters
4120  * on mobile devices to select between portrait/landscape mode and to produce properly
4121  * oriented images. The exact meaning of the value in rotation if left to each device
4122  * specific implementations.
4123  *@param lc  object.
4124  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4125  *
4126 **/
4127 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4128 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4129         lc->device_rotation = rotation;
4130 #ifdef VIDEO_ENABLED
4131         LinphoneCall *call=linphone_core_get_current_call(lc);
4132         if (call!=NULL && call->videostream){
4133                 video_stream_set_device_rotation(call->videostream,rotation);
4134         }
4135 #endif
4136 }
4137
4138 static MSVideoSizeDef supported_resolutions[]={
4139 #ifdef ENABLE_HD
4140         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4141         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4142 #endif
4143         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4144         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4145         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4146         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4147         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4148         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4149         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4150         {       {0,0}                   ,       NULL    }
4151 };
4152
4153 /**
4154  * Returns the zero terminated table of supported video resolutions.
4155  *
4156  * @ingroup media_parameters
4157 **/
4158 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4159         return supported_resolutions;
4160 }
4161
4162 static MSVideoSize video_size_get_by_name(const char *name){
4163         MSVideoSizeDef *pdef=supported_resolutions;
4164         MSVideoSize null_vsize={0,0};
4165         for(;pdef->name!=NULL;pdef++){
4166                 if (strcasecmp(name,pdef->name)==0){
4167                         return pdef->vsize;
4168                 }
4169         }
4170         ms_warning("Video resolution %s is not supported in linphone.",name);
4171         return null_vsize;
4172 }
4173
4174 static const char *video_size_get_name(MSVideoSize vsize){
4175         MSVideoSizeDef *pdef=supported_resolutions;
4176         for(;pdef->name!=NULL;pdef++){
4177                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4178                         return pdef->name;
4179                 }
4180         }
4181         return NULL;
4182 }
4183
4184 static bool_t video_size_supported(MSVideoSize vsize){
4185         if (video_size_get_name(vsize)) return TRUE;
4186         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4187         return FALSE;
4188 }
4189
4190 /**
4191  * Sets the preferred video size.
4192  *
4193  * @ingroup media_parameters
4194  * This applies only to the stream that is captured and sent to the remote party,
4195  * since we accept all standard video size on the receive path.
4196 **/
4197 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4198         if (video_size_supported(vsize)){
4199                 MSVideoSize oldvsize=lc->video_conf.vsize;
4200                 lc->video_conf.vsize=vsize;
4201                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4202                         toggle_video_preview(lc,FALSE);
4203                         toggle_video_preview(lc,TRUE);
4204                 }
4205                 if ( linphone_core_ready(lc))
4206                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4207         }
4208 }
4209
4210 /**
4211  * Sets the preferred video size by its name.
4212  *
4213  * @ingroup media_parameters
4214  * This is identical to linphone_core_set_preferred_video_size() except
4215  * that it takes the name of the video resolution as input.
4216  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4217 **/
4218 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4219         MSVideoSize vsize=video_size_get_by_name(name);
4220         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4221         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4222         else linphone_core_set_preferred_video_size(lc,default_vsize);
4223 }
4224
4225 /**
4226  * Returns the current preferred video size for sending.
4227  *
4228  * @ingroup media_parameters
4229 **/
4230 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4231         return lc->video_conf.vsize;
4232 }
4233
4234 /**
4235  * Ask the core to stream audio from and to files, instead of using the soundcard.
4236 **/
4237 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4238         lc->use_files=yesno;
4239 }
4240
4241 /**
4242  * Sets a wav file to be played when putting somebody on hold,
4243  * or when files are used instead of soundcards (see linphone_core_use_files()).
4244  *
4245  * The file must be a 16 bit linear wav file.
4246 **/
4247 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4248         LinphoneCall *call=linphone_core_get_current_call(lc);
4249         if (lc->play_file!=NULL){
4250                 ms_free(lc->play_file);
4251                 lc->play_file=NULL;
4252         }
4253         if (file!=NULL) {
4254                 lc->play_file=ms_strdup(file);
4255                 if (call && call->audiostream && call->audiostream->ticker)
4256                         audio_stream_play(call->audiostream,file);
4257         }
4258 }
4259
4260
4261 /**
4262  * Sets a wav file where incoming stream is to be recorded,
4263  * when files are used instead of soundcards (see linphone_core_use_files()).
4264  *
4265  * The file must be a 16 bit linear wav file.
4266 **/
4267 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4268         LinphoneCall *call=linphone_core_get_current_call(lc);
4269         if (lc->rec_file!=NULL){
4270                 ms_free(lc->rec_file);
4271                 lc->rec_file=NULL;
4272         }
4273         if (file!=NULL) {
4274                 lc->rec_file=ms_strdup(file);
4275                 if (call && call->audiostream)
4276                         audio_stream_record(call->audiostream,file);
4277         }
4278 }
4279
4280
4281 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4282         LinphoneCall *call=linphone_core_get_current_call (lc);
4283         AudioStream *stream=NULL;
4284         if (call){
4285                 stream=call->audiostream;
4286         }else if (linphone_core_is_in_conference(lc)){
4287                 stream=lc->conf_ctx.local_participant;
4288         }
4289         if (stream){
4290                 return stream->dtmfgen;
4291         }
4292         if (lc->ringstream==NULL){
4293                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4294                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4295                 if (ringcard == NULL)
4296                         return NULL;
4297
4298                 lc->ringstream=ring_start(NULL,0,ringcard);
4299                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4300                 lc->dmfs_playing_start_time=time(NULL);
4301         }else{
4302                 if (lc->dmfs_playing_start_time!=0)
4303                         lc->dmfs_playing_start_time=time(NULL);
4304         }
4305         return lc->ringstream->gendtmf;
4306 }
4307
4308 /**
4309  * @ingroup media_parameters
4310  * Plays a dtmf sound to the local user.
4311  * @param lc #LinphoneCore
4312  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4313  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4314 **/
4315 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4316         MSFilter *f=get_dtmf_gen(lc);
4317         if (f==NULL){
4318                 ms_error("No dtmf generator at this time !");
4319                 return;
4320         }
4321
4322         if (duration_ms>0)
4323                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4324         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4325 }
4326
4327 /**
4328  * @ingroup media_parameters
4329  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4330  * @param lc #LinphoneCore
4331 **/
4332 void linphone_core_play_tone(LinphoneCore *lc){
4333         MSFilter *f=get_dtmf_gen(lc);
4334         MSDtmfGenCustomTone def;
4335         if (f==NULL){
4336                 ms_error("No dtmf generator at this time !");
4337                 return;
4338         }
4339         def.duration=300;
4340         def.frequency=500;
4341         def.amplitude=1;
4342         def.interval=2000;
4343         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4344 }
4345
4346 /**
4347  * @ingroup media_parameters
4348  *
4349  * Stops playing a dtmf started by linphone_core_play_dtmf().
4350 **/
4351 void linphone_core_stop_dtmf(LinphoneCore *lc){
4352         MSFilter *f=get_dtmf_gen(lc);
4353         if (f!=NULL)
4354                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4355 }
4356
4357
4358
4359 /**
4360  * Retrieves the user pointer that was given to linphone_core_new()
4361  *
4362  * @ingroup initializing
4363 **/
4364 void *linphone_core_get_user_data(LinphoneCore *lc){
4365         return lc->data;
4366 }
4367
4368 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4369         lc->data=userdata;
4370 }
4371
4372 int linphone_core_get_mtu(const LinphoneCore *lc){
4373         return lc->net_conf.mtu;
4374 }
4375
4376 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4377         lc->net_conf.mtu=mtu;
4378         if (mtu>0){
4379                 if (mtu<500){
4380                         ms_error("MTU too small !");
4381                         mtu=500;
4382                 }
4383                 ms_set_mtu(mtu);
4384                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4385         }else ms_set_mtu(0);//use mediastreamer2 default value
4386 }
4387
4388 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4389         lc->wait_cb=cb;
4390         lc->wait_ctx=user_context;
4391 }
4392
4393 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4394         if (lc->wait_cb){
4395                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4396         }
4397 }
4398
4399 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4400         if (lc->wait_cb){
4401                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4402         }else{
4403 #ifdef WIN32
4404                 Sleep(50000);
4405 #else
4406                 usleep(50000);
4407 #endif
4408         }
4409 }
4410
4411 void linphone_core_stop_waiting(LinphoneCore *lc){
4412         if (lc->wait_cb){
4413                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4414         }
4415 }
4416
4417 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4418         lc->rtptf=factories;
4419 }
4420
4421 /**
4422  * Retrieve RTP statistics regarding current call.
4423  * @param local RTP statistics computed locally.
4424  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4425  *
4426  * @note Remote RTP statistics is not implemented yet.
4427  *
4428  * @returns 0 or -1 if no call is running.
4429 **/
4430
4431 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4432         LinphoneCall *call=linphone_core_get_current_call (lc);
4433         if (call!=NULL){
4434                 if (call->audiostream!=NULL){
4435                         memset(remote,0,sizeof(*remote));
4436                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4437                         return 0;
4438                 }
4439         }
4440         return -1;
4441 }
4442
4443 void net_config_uninit(LinphoneCore *lc)
4444 {
4445         net_config_t *config=&lc->net_conf;
4446
4447         if (config->stun_server!=NULL){
4448                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
4449                 ms_free(lc->net_conf.stun_server);
4450         }
4451         if (config->nat_address!=NULL){
4452                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4453                 ms_free(lc->net_conf.nat_address);
4454         }
4455         if (lc->net_conf.nat_address_ip !=NULL){
4456                 ms_free(lc->net_conf.nat_address_ip);
4457         }
4458         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
4459         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4460 }
4461
4462
4463 void sip_config_uninit(LinphoneCore *lc)
4464 {
4465         MSList *elem;
4466         int i;
4467         sip_config_t *config=&lc->sip_conf;
4468
4469         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4470         lp_config_set_string(lc->config,"sip","contact",config->contact);
4471         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4472         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4473         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4474         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4475         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4476
4477
4478
4479
4480         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4481                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4482                 linphone_proxy_config_edit(cfg);        /* to unregister */
4483         }
4484
4485         for (i=0;i<20;i++){
4486                 sal_iterate(lc->sal);
4487 #ifndef WIN32
4488                 usleep(100000);
4489 #else
4490                 Sleep(100);
4491 #endif
4492         }
4493
4494         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4495         ms_list_free(config->proxies);
4496         config->proxies=NULL;
4497
4498         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4499
4500         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4501         ms_list_free(lc->auth_info);
4502         lc->auth_info=NULL;
4503
4504         sal_uninit(lc->sal);
4505         lc->sal=NULL;
4506
4507         if (lc->sip_conf.guessed_contact)
4508                 ms_free(lc->sip_conf.guessed_contact);
4509         if (config->contact)
4510                 ms_free(config->contact);
4511
4512 }
4513
4514 void rtp_config_uninit(LinphoneCore *lc)
4515 {
4516         rtp_config_t *config=&lc->rtp_conf;
4517         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4518         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4519         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4520         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4521         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4522         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4523         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4524 }
4525
4526 void sound_config_uninit(LinphoneCore *lc)
4527 {
4528         sound_config_t *config=&lc->sound_conf;
4529         ms_free(config->cards);
4530
4531         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4532
4533         if (config->local_ring) ms_free(config->local_ring);
4534         if (config->remote_ring) ms_free(config->remote_ring);
4535         ms_snd_card_manager_destroy();
4536 }
4537
4538 void video_config_uninit(LinphoneCore *lc)
4539 {
4540         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4541         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4542         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4543         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4544         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4545         if (lc->video_conf.cams)
4546                 ms_free(lc->video_conf.cams);
4547 }
4548
4549 void _linphone_core_codec_config_write(LinphoneCore *lc){
4550         if (linphone_core_ready(lc)){
4551                 PayloadType *pt;
4552                 codecs_config_t *config=&lc->codecs_conf;
4553                 MSList *node;
4554                 char key[50];
4555                 int index;
4556                 index=0;
4557                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4558                         pt=(PayloadType*)(node->data);
4559                         sprintf(key,"audio_codec_%i",index);
4560                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4561                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4562                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4563                         index++;
4564                 }
4565                 sprintf(key,"audio_codec_%i",index);
4566                 lp_config_clean_section (lc->config,key);
4567
4568                 index=0;
4569                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4570                         pt=(PayloadType*)(node->data);
4571                         sprintf(key,"video_codec_%i",index);
4572                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4573                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4574                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4575                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4576                         index++;
4577                 }
4578                 sprintf(key,"video_codec_%i",index);
4579                 lp_config_clean_section (lc->config,key);
4580         }
4581 }
4582
4583 static void codecs_config_uninit(LinphoneCore *lc)
4584 {
4585         _linphone_core_codec_config_write(lc);
4586         ms_list_free(lc->codecs_conf.audio_codecs);
4587         ms_list_free(lc->codecs_conf.video_codecs);
4588 }
4589
4590 void ui_config_uninit(LinphoneCore* lc)
4591 {
4592         if (lc->friends){
4593                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4594                 ms_list_free(lc->friends);
4595                 lc->friends=NULL;
4596         }
4597 }
4598
4599 /**
4600  * Returns the LpConfig object used to manage the storage (config) file.
4601  *
4602  * @ingroup misc
4603  * The application can use the LpConfig object to insert its own private
4604  * sections and pairs of key=value in the configuration file.
4605  *
4606 **/
4607 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4608         return lc->config;
4609 }
4610
4611 static void linphone_core_uninit(LinphoneCore *lc)
4612 {
4613         linphone_core_free_hooks(lc);
4614         while(lc->calls)
4615         {
4616                 LinphoneCall *the_call = lc->calls->data;
4617                 linphone_core_terminate_call(lc,the_call);
4618                 linphone_core_iterate(lc);
4619 #ifdef WIN32
4620                 Sleep(50000);
4621 #else
4622                 usleep(50000);
4623 #endif
4624         }
4625         if (lc->friends)
4626                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4627         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4628 #ifdef VIDEO_ENABLED
4629         if (lc->previewstream!=NULL){
4630                 video_preview_stop(lc->previewstream);
4631                 lc->previewstream=NULL;
4632         }
4633 #endif
4634         ms_event_queue_destroy(lc->msevq);
4635         lc->msevq=NULL;
4636         /* save all config */
4637         net_config_uninit(lc);
4638         rtp_config_uninit(lc);
4639         if (lc->ringstream) ring_stop(lc->ringstream);
4640         sound_config_uninit(lc);
4641         video_config_uninit(lc);
4642         codecs_config_uninit(lc);
4643         ui_config_uninit(lc);
4644         sip_config_uninit(lc);
4645         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4646         lp_config_destroy(lc->config);
4647         lc->config = NULL; /* Mark the config as NULL to block further calls */
4648         sip_setup_unregister_all();
4649
4650         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4651         lc->call_logs=ms_list_free(lc->call_logs);
4652
4653         linphone_core_free_payload_types(lc);
4654         ortp_exit();
4655         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4656 #ifdef TUNNEL_ENABLED
4657         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4658 #endif
4659 }
4660
4661 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4662         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4663         // second get the list of available proxies
4664         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4665         for(;elem!=NULL;elem=elem->next){
4666                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4667                 if (linphone_proxy_config_register_enabled(cfg) ) {
4668                         if (!isReachable) {
4669                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4670                         }else{
4671                                 cfg->commit=TRUE;
4672                         }
4673                 }
4674         }
4675         lc->netup_time=curtime;
4676         lc->network_reachable=isReachable;
4677         if(!isReachable) {
4678                 sal_unlisten_ports (lc->sal);
4679         } else {
4680                 apply_transports(lc);
4681         }
4682
4683 }
4684
4685 void linphone_core_refresh_registers(LinphoneCore* lc) {
4686         const MSList *elem;
4687         if (!lc->network_reachable) {
4688                 ms_warning("Refresh register operation not available (network unreachable)");
4689                 return;
4690         }
4691         elem=linphone_core_get_proxy_config_list(lc);
4692         for(;elem!=NULL;elem=elem->next){
4693                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4694                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4695                         linphone_proxy_config_refresh_register(cfg);
4696                 }
4697         }
4698 }
4699
4700 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4701         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4702         for(;elem!=NULL;elem=elem->next){
4703                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4704                 if (linphone_proxy_config_register_enabled(cfg)) {
4705                         linphone_proxy_config_edit(cfg);
4706                         linphone_proxy_config_done(cfg);
4707                 }
4708         }
4709 }
4710
4711 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4712         //first disable automatic mode
4713         if (lc->auto_net_state_mon) {
4714                 ms_message("Disabling automatic network state monitoring");
4715                 lc->auto_net_state_mon=FALSE;
4716         }
4717         set_network_reachable(lc,isReachable, ms_time(NULL));
4718 }
4719
4720 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4721         return lc->network_reachable;
4722 }
4723 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4724         return sal_get_socket(lc->sal);
4725 }
4726 /**
4727  * Destroys a LinphoneCore
4728  *
4729  * @ingroup initializing
4730 **/
4731 void linphone_core_destroy(LinphoneCore *lc){
4732         linphone_core_uninit(lc);
4733         ms_free(lc);
4734 }
4735 /**
4736  * Get the number of Call
4737  *
4738  * @ingroup call_control
4739 **/
4740 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4741         return  ms_list_size(lc->calls);;
4742 }
4743
4744 /**
4745  * Check if we do not have exceed the number of simultaneous call
4746  *
4747  * @ingroup call_control
4748 **/
4749 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4750 {
4751         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4752                 return TRUE;
4753         ms_message("Maximum amount of simultaneous calls reached !");
4754         return FALSE;
4755 }
4756
4757
4758 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4759 {
4760         if(linphone_core_can_we_add_call(lc))
4761         {
4762                 lc->calls = ms_list_append(lc->calls,call);
4763                 return 0;
4764         }
4765         return -1;
4766 }
4767
4768 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4769 {
4770         MSList *it;
4771         MSList *the_calls = lc->calls;
4772
4773         it=ms_list_find(the_calls,call);
4774         if (it)
4775         {
4776                 the_calls = ms_list_remove_link(the_calls,it);
4777         }
4778         else
4779         {
4780                 ms_warning("could not find the call into the list\n");
4781                 return -1;
4782         }
4783         lc->calls = the_calls;
4784         return 0;
4785 }
4786
4787 /**
4788  * Specifiies a ring back tone to be played to far end during incoming calls.
4789 **/
4790 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4791         if (lc->sound_conf.ringback_tone){
4792                 ms_free(lc->sound_conf.ringback_tone);
4793                 lc->sound_conf.ringback_tone=NULL;
4794         }
4795         if (file)
4796                 lc->sound_conf.ringback_tone=ms_strdup(file);
4797 }
4798
4799 /**
4800  * Returns the ring back tone played to far end during incoming calls.
4801 **/
4802 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4803         return lc->sound_conf.ringback_tone;
4804 }
4805
4806 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4807         const MSList *elem;
4808         for(elem=from;elem!=NULL;elem=elem->next){
4809                 PayloadType *pt=(PayloadType*)elem->data;
4810                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4811                         return pt;
4812                 }
4813         }
4814         return NULL;
4815 }
4816
4817 /**
4818  * Get payload type  from mime type and clock rate
4819  * @ingroup media_parameters
4820  * This function searches in audio and video codecs for the given payload type name and clockrate.
4821  * Returns NULL if not found.
4822  */
4823 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4824         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4825         if (result)  {
4826                 return result;
4827         } else {
4828                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4829                 if (result) {
4830                         return result;
4831                 }
4832         }
4833         /*not found*/
4834         return NULL;
4835 }
4836
4837 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4838         switch(gs){
4839                 case LinphoneGlobalOff:
4840                         return "LinphoneGlobalOff";
4841                 break;
4842                 case LinphoneGlobalOn:
4843                         return "LinphoneGlobalOn";
4844                 break;
4845                 case LinphoneGlobalStartup:
4846                         return "LinphoneGlobalStartup";
4847                 break;
4848                 case LinphoneGlobalShutdown:
4849                         return "LinphoneGlobalShutdown";
4850                 break;
4851         }
4852         return NULL;
4853 }
4854
4855 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4856         return lc->state;
4857 }
4858
4859 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4860         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4861         linphone_core_init_default_params(lc, p);
4862         return p;
4863 }
4864
4865 const char *linphone_reason_to_string(LinphoneReason err){
4866         switch(err){
4867                 case LinphoneReasonNone:
4868                         return "No error";
4869                 case LinphoneReasonNoResponse:
4870                         return "No response";
4871                 case LinphoneReasonBadCredentials:
4872                         return "Bad credentials";
4873                 case LinphoneReasonDeclined:
4874                         return "Call declined";
4875                 case LinphoneReasonNotFound:
4876                         return "User not found";
4877                 case LinphoneReasonNotAnswered:
4878                         return "Not answered";
4879         }
4880         return "unknown error";
4881 }
4882
4883 const char *linphone_error_to_string(LinphoneReason err){
4884         return linphone_reason_to_string(err);
4885 }
4886 /**
4887  * Enables signaling keep alive
4888  */
4889 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4890         if (enable > 0) {
4891                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4892         } else {
4893                 sal_set_keepalive_period(lc->sal,0);
4894         }
4895 }
4896 /**
4897  * Is signaling keep alive enabled
4898  */
4899 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4900         return sal_get_keepalive_period(lc->sal) > 0;
4901 }
4902
4903 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4904         get_dtmf_gen(lc); /*make sure ring stream is started*/
4905         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4906 }
4907
4908 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4909         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4910                 ring_stop(lc->ringstream);
4911                 lc->ringstream=NULL;
4912         }
4913 }
4914
4915 int linphone_core_get_max_calls(LinphoneCore *lc) {
4916         return lc->max_calls;
4917 }
4918 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4919         lc->max_calls=max;
4920 }
4921
4922 typedef struct Hook{
4923         LinphoneCoreIterateHook fun;
4924         void *data;
4925 }Hook;
4926
4927 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4928         Hook *h=ms_new(Hook,1);
4929         h->fun=hook;
4930         h->data=hook_data;
4931         return h;
4932 }
4933
4934 static void hook_invoke(Hook *h){
4935         h->fun(h->data);
4936 }
4937
4938 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4939         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4940 }
4941
4942 static void linphone_core_run_hooks(LinphoneCore *lc){
4943         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4944 }
4945
4946 static void linphone_core_free_hooks(LinphoneCore *lc){
4947         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4948         ms_list_free(lc->hooks);
4949         lc->hooks=NULL;
4950 }
4951
4952 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4953         MSList *elem;
4954         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4955                 Hook *h=(Hook*)elem->data;
4956                 if (h->fun==hook && h->data==hook_data){
4957                         ms_list_remove_link(lc->hooks,elem);
4958                         ms_free(h);
4959                         return;
4960                 }
4961         }
4962         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4963 }
4964
4965 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4966         if (lc->zrtp_secrets_cache != NULL) {
4967                 ms_free(lc->zrtp_secrets_cache);
4968         }
4969         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4970 }
4971
4972 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4973         if (uri == NULL) return NULL;
4974         MSList *calls=lc->calls;
4975         while(calls) {
4976                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4977                 calls=calls->next;
4978                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4979                 char *current_uri=linphone_address_as_string_uri_only(address);
4980                 if (strcmp(uri,current_uri)==0) {
4981                         ms_free(current_uri);
4982                         return c;
4983                 } else {
4984                         ms_free(current_uri);
4985                 }
4986         }
4987         return NULL;
4988 }
4989
4990
4991 /**
4992  * Check if a call will need the sound resources.
4993  *
4994  * @ingroup call_control
4995  * @param lc The LinphoneCore
4996 **/
4997 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4998         MSList *calls=lc->calls;
4999         while(calls) {
5000                 LinphoneCall *c=(LinphoneCall*)calls->data;
5001                 calls=calls->next;
5002                 switch (c->state) {
5003                         case LinphoneCallOutgoingInit:
5004                         case LinphoneCallOutgoingProgress:
5005                         case LinphoneCallOutgoingRinging:
5006                         case LinphoneCallOutgoingEarlyMedia:
5007                         case LinphoneCallConnected:
5008                         case LinphoneCallRefered:
5009                         case LinphoneCallIncomingEarlyMedia:
5010                         case LinphoneCallUpdated:
5011                                 return TRUE;
5012                         default:
5013                                 break;
5014                 }
5015         }
5016         return FALSE;
5017 }
5018
5019 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5020         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5021 }
5022
5023 /**
5024  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5025 **/
5026 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5027         switch(menc){
5028                 case LinphoneMediaEncryptionSRTP:
5029                         return ortp_srtp_supported();
5030                 case LinphoneMediaEncryptionZRTP:
5031                         return ortp_zrtp_available();
5032                 case LinphoneMediaEncryptionNone:
5033                         return TRUE;
5034         }
5035         return FALSE;
5036 }
5037
5038 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5039         const char *type="none";
5040         int ret=0;
5041         if (menc == LinphoneMediaEncryptionSRTP){
5042                 if (!ortp_srtp_supported()){
5043                         ms_warning("SRTP not supported by library.");
5044                         type="none";
5045                         ret=-1;
5046                 }else type="srtp";
5047         }else if (menc == LinphoneMediaEncryptionZRTP){
5048                 if (!ortp_zrtp_available()){
5049                         ms_warning("ZRTP not supported by library.");
5050                         type="none";
5051                         ret=-1;
5052                 }else type="zrtp";
5053         }
5054         lp_config_set_string(lc->config,"sip","media_encryption",type);
5055         return ret;
5056 }
5057
5058 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5059         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5060
5061         if (menc == NULL)
5062                 return LinphoneMediaEncryptionNone;
5063         else if (strcmp(menc, "srtp")==0)
5064                 return LinphoneMediaEncryptionSRTP;
5065         else if (strcmp(menc, "zrtp")==0)
5066                 return LinphoneMediaEncryptionZRTP;
5067         else
5068                 return LinphoneMediaEncryptionNone;
5069 }
5070
5071 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5072         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5073 }
5074
5075 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5076         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5077 }
5078
5079 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5080         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5081         params->media_encryption=linphone_core_get_media_encryption(lc);
5082         params->in_conference=FALSE;
5083 }
5084
5085 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
5086         VideoStream* vstream = call->videostream;
5087         if (vstream) {
5088                 float zoom[3];
5089
5090                 if (zoom_factor < 1)
5091                         zoom_factor = 1;
5092                 float halfsize = 0.5 * 1.0 / zoom_factor;
5093
5094                 if ((*cx - halfsize) < 0)
5095                         *cx = 0 + halfsize;
5096                 if ((*cx + halfsize) > 1)
5097                         *cx = 1 - halfsize;
5098                 if ((*cy - halfsize) < 0)
5099                         *cy = 0 + halfsize;
5100                 if ((*cy + halfsize) > 1)
5101                         *cy = 1 - halfsize;
5102
5103                 zoom[0] = zoom_factor;
5104                 zoom[1] = *cx;
5105                 zoom[2] = *cy;
5106                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
5107         }else ms_warning("Could not apply zoom: video output wasn't activated.");
5108 }
5109