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 #include "linphonecore.h"
  21 #include "sipsetup.h"
  22 #include "lpconfig.h"
  23 #include "private.h"
  24
  25 #include <ortp/telephonyevents.h>
  26 #include "mediastreamer2/mediastream.h"
  27 #include "mediastreamer2/mseventqueue.h"
  28 #include "mediastreamer2/msvolume.h"
  29 #include "mediastreamer2/msequalizer.h"
  30 #include "mediastreamer2/dtmfgen.h"
  31
  32 #ifdef INET6
  33 #ifndef WIN32
  34 #include <netdb.h>
  35 #endif
  36 #endif
  37
  38 /*#define UNSTANDART_GSM_11K 1*/
  39
  40 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  41 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  42
  43 #include "enum.h"
  44
  45 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  46 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  47
  48 /* relative path where is stored local ring*/
  49 #define LOCAL_RING "rings/oldphone.wav"
  50 /* same for remote ring (ringback)*/
  51 #define REMOTE_RING "ringback.wav"
  52
  53 extern SalCallbacks linphone_sal_callbacks;
  54
  55
  56 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  57 {
  58   obj->_func=func;
  59   obj->_user_data=ud;
  60 }
  61
  62 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  63         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  64         return 0;
  65 }
  66
  67
  68 /*prevent a gcc bug with %c*/
  69 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  70 #if !defined(_WIN32_WCE)
  71         return strftime(s, max, fmt, tm);
  72 #else
  73         return 0;
  74         /*FIXME*/
  75 #endif /*_WIN32_WCE*/
  76 }
  77
  78 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  79         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  80 }
  81
  82 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  83         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  84         struct tm loctime;
  85         cl->dir=call->dir;
  86 #ifdef WIN32
  87 #if !defined(_WIN32_WCE)
  88         loctime=*localtime(&call->start_time);
  89         /*FIXME*/
  90 #endif /*_WIN32_WCE*/
  91 #else
  92         localtime_r(&call->start_time,&loctime);
  93 #endif
  94         set_call_log_date(cl,&loctime);
  95         cl->from=from;
  96         cl->to=to;
  97         return cl;
  98 }
  99
 100 static void call_logs_write_to_config_file(LinphoneCore *lc){
 101         MSList *elem;
 102         char logsection[32];
 103         int i;
 104         char *tmp;
 105         LpConfig *cfg=lc->config;
 106
 107         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 108
 109         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 110                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 111                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 112                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 113                 lp_config_set_int(cfg,logsection,"status",cl->status);
 114                 tmp=linphone_address_as_string(cl->from);
 115                 lp_config_set_string(cfg,logsection,"from",tmp);
 116                 ms_free(tmp);
 117                 tmp=linphone_address_as_string(cl->to);
 118                 lp_config_set_string(cfg,logsection,"to",tmp);
 119                 ms_free(tmp);
 120                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 121                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 122                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 123         }
 124         for(;i<lc->max_call_logs;++i){
 125                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 126                 lp_config_clean_section(cfg,logsection);
 127         }
 128 }
 129
 130 static void call_logs_read_from_config_file(LinphoneCore *lc){
 131         char logsection[32];
 132         int i;
 133         const char *tmp;
 134         LpConfig *cfg=lc->config;
 135         for(i=0;;++i){
 136                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 137                 if (lp_config_has_section(cfg,logsection)){
 138                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 139                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 140                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 141                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 142                         if (tmp) cl->from=linphone_address_new(tmp);
 143                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 144                         if (tmp) cl->to=linphone_address_new(tmp);
 145                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 146                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 147                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 148                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 149                         if (tmp) cl->refkey=ms_strdup(tmp);
 150                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 151                 }else break;
 152         }
 153 }
 154
 155
 156 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call, LinphoneCallStatus status){
 157         LinphoneCore *lc=call->core;
 158
 159         calllog->duration=time(NULL)-call->start_time;
 160
 161         if (status==LinphoneCallMissed){
 162                 char *info;
 163                 lc->missed_calls++;
 164                 info=ortp_strdup_printf(ngettext("You have missed %i call.",
 165                     "You have missed %i calls.", lc->missed_calls),
 166                 lc->missed_calls);
 167                                 if (lc->vtable.display_status!=NULL)
 168                                         lc->vtable.display_status(lc,info);
 169                 ms_free(info);
 170         }else calllog->status=status;
 171         lc->call_logs=ms_list_prepend(lc->call_logs,(void *)calllog);
 172         if (ms_list_size(lc->call_logs)>lc->max_call_logs){
 173                 MSList *elem,*prevelem=NULL;
 174                 /*find the last element*/
 175                 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
 176                         prevelem=elem;
 177                 }
 178                 elem=prevelem;
 179                 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
 180                 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
 181         }
 182         if (lc->vtable.call_log_updated!=NULL){
 183                 lc->vtable.call_log_updated(lc,calllog);
 184         }
 185         call_logs_write_to_config_file(lc);
 186 }
 187
 188 /**
 189  * @addtogroup call_logs
 190  * @{
 191 **/
 192
 193 /**
 194  * Returns a human readable string describing the call.
 195  *
 196  * @note: the returned char* must be freed by the application (use ms_free()).
 197 **/
 198 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 199         char *status;
 200         char *tmp;
 201         char *from=linphone_address_as_string (cl->from);
 202         char *to=linphone_address_as_string (cl->to);
 203         switch(cl->status){
 204                 case LinphoneCallAborted:
 205                         status=_("aborted");
 206                         break;
 207                 case LinphoneCallSuccess:
 208                         status=_("completed");
 209                         break;
 210                 case LinphoneCallMissed:
 211                         status=_("missed");
 212                         break;
 213                 default:
 214                         status="unknown";
 215         }
 216         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 217                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 218                         cl->start_date,
 219                         from,
 220                         to,
 221                         status,
 222                         cl->duration/60,
 223                         cl->duration%60);
 224         ms_free(from);
 225         ms_free(to);
 226         return tmp;
 227 }
 228
 229 /**
 230  * Returns RTP statistics computed locally regarding the call.
 231  *
 232 **/
 233 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 234         return &cl->local_stats;
 235 }
 236
 237 /**
 238  * Returns RTP statistics computed by remote end and sent back via RTCP.
 239  *
 240  * @note Not implemented yet.
 241 **/
 242 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 243         return &cl->remote_stats;
 244 }
 245
 246 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 247         cl->user_pointer=up;
 248 }
 249
 250 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 251         return cl->user_pointer;
 252 }
 253
 254
 255
 256 /**
 257  * Associate a persistent reference key to the call log.
 258  *
 259  * The reference key can be for example an id to an external database.
 260  * It is stored in the config file, thus can survive to process exits/restarts.
 261  *
 262 **/
 263 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 264         if (cl->refkey!=NULL){
 265                 ms_free(cl->refkey);
 266                 cl->refkey=NULL;
 267         }
 268         if (refkey) cl->refkey=ms_strdup(refkey);
 269         call_logs_write_to_config_file(cl->lc);
 270 }
 271
 272 /**
 273  * Get the persistent reference key associated to the call log.
 274  *
 275  * The reference key can be for example an id to an external database.
 276  * It is stored in the config file, thus can survive to process exits/restarts.
 277  *
 278 **/
 279 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 280         return cl->refkey;
 281 }
 282
 283 /** @} */
 284
 285 void linphone_call_log_destroy(LinphoneCallLog *cl){
 286         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 287         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 288         if (cl->refkey!=NULL) ms_free(cl->refkey);
 289         ms_free(cl);
 290 }
 291
 292 /**
 293  * Returns TRUE if the LinphoneCall asked to autoanswer
 294  *
 295 **/
 296 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 297         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 298         if(call)
 299                 return sal_call_autoanswer_asked(call->op);
 300         else
 301                 return FALSE;
 302 }
 303
 304 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 305         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 306         if (call)  return linphone_call_get_duration(call);
 307         return -1;
 308 }
 309
 310 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 311         LinphoneCall *call=linphone_core_get_current_call(lc);
 312         if (call==NULL) return NULL;
 313         return linphone_call_get_remote_address(call);
 314 }
 315
 316 /**
 317  * Enable logs in supplied FILE*.
 318  *
 319  * @ingroup misc
 320  *
 321  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 322  *
 323 **/
 324 void linphone_core_enable_logs(FILE *file){
 325         if (file==NULL) file=stdout;
 326         ortp_set_log_file(file);
 327         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 328 }
 329
 330 /**
 331  * Enable logs through the user's supplied log callback.
 332  *
 333  * @ingroup misc
 334  *
 335  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 336  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 337  *
 338 **/
 339 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 340         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 341         ortp_set_log_handler(logfunc);
 342 }
 343
 344 /**
 345  * Entirely disable logging.
 346  *
 347  * @ingroup misc
 348 **/
 349 void linphone_core_disable_logs(){
 350         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 351 }
 352
 353
 354 static void net_config_read (LinphoneCore *lc)
 355 {
 356         int tmp;
 357         const char *tmpstr;
 358         LpConfig *config=lc->config;
 359
 360         tmp=lp_config_get_int(config,"net","download_bw",0);
 361         linphone_core_set_download_bandwidth(lc,tmp);
 362         tmp=lp_config_get_int(config,"net","upload_bw",0);
 363         linphone_core_set_upload_bandwidth(lc,tmp);
 364         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 365         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 366         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 367         linphone_core_set_nat_address(lc,tmpstr);
 368         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 369         linphone_core_set_firewall_policy(lc,tmp);
 370         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 371         lc->net_conf.nat_sdp_only=tmp;
 372         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 373         linphone_core_set_mtu(lc,tmp);
 374         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 375         linphone_core_set_download_ptime(lc,tmp);
 376
 377 }
 378
 379 static void build_sound_devices_table(LinphoneCore *lc){
 380         const char **devices;
 381         const char **old;
 382         int ndev;
 383         int i;
 384         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 385         ndev=ms_list_size(elem);
 386         devices=ms_malloc((ndev+1)*sizeof(const char *));
 387         for (i=0;elem!=NULL;elem=elem->next,i++){
 388                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 389         }
 390         devices[ndev]=NULL;
 391         old=lc->sound_conf.cards;
 392         lc->sound_conf.cards=devices;
 393         if (old!=NULL) ms_free(old);
 394 }
 395
 396 static void sound_config_read(LinphoneCore *lc)
 397 {
 398         /*int tmp;*/
 399         const char *tmpbuf;
 400         const char *devid;
 401         float gain=0;
 402 #ifdef __linux
 403         /*alsadev let the user use custom alsa device within linphone*/
 404         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 405         if (devid){
 406                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 407                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 408         }
 409 #endif
 410         /* retrieve all sound devices */
 411         build_sound_devices_table(lc);
 412
 413         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 414         linphone_core_set_playback_device(lc,devid);
 415
 416         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 417         linphone_core_set_ringer_device(lc,devid);
 418
 419         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 420         linphone_core_set_capture_device(lc,devid);
 421
 422 /*
 423         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 424         linphone_core_set_play_level(lc,tmp);
 425         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 426         linphone_core_set_ring_level(lc,tmp);
 427         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 428         linphone_core_set_rec_level(lc,tmp);
 429         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 430         linphone_core_set_sound_source(lc,tmpbuf[0]);
 431 */
 432
 433         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 434         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 435         if (ortp_file_exist(tmpbuf)==-1) {
 436                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 437         }
 438         if (strstr(tmpbuf,".wav")==NULL){
 439                 /* it currently uses old sound files, so replace them */
 440                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 441         }
 442
 443         linphone_core_set_ring(lc,tmpbuf);
 444
 445         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 446         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 447         if (ortp_file_exist(tmpbuf)==-1){
 448                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 449         }
 450         if (strstr(tmpbuf,".wav")==NULL){
 451                 /* it currently uses old sound files, so replace them */
 452                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 453         }
 454         linphone_core_set_ringback(lc,tmpbuf);
 455         check_sound_device(lc);
 456         lc->sound_conf.latency=0;
 457
 458         linphone_core_enable_echo_cancellation(lc,
 459             lp_config_get_int(lc->config,"sound","echocancelation",0) |
 460             lp_config_get_int(lc->config,"sound","echocancellation",0)
 461                 );
 462
 463         linphone_core_enable_echo_limiter(lc,
 464                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 465         linphone_core_enable_agc(lc,
 466                 lp_config_get_int(lc->config,"sound","agc",0));
 467
 468         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 469         linphone_core_set_playback_gain_db (lc,gain);
 470
 471         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 472 }
 473
 474 static void sip_config_read(LinphoneCore *lc)
 475 {
 476         char *contact;
 477         const char *tmpstr;
 478         LCSipTransports tr;
 479         int i,tmp;
 480         int ipv6;
 481
 482         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 483         linphone_core_set_use_info_for_dtmf(lc,tmp);
 484
 485         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 486                 sal_use_session_timers(lc->sal,200);
 487         }
 488
 489
 490         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 491         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 492
 493         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 494         if (ipv6==-1){
 495                 ipv6=0;
 496                 if (host_has_ipv6_network()){
 497                         if (lc->vtable.display_message)
 498                                 lc->vtable.display_message(lc,_("Your machine appears to be connected to an IPv6 network. By default linphone always uses IPv4. Please update your configuration if you want to use IPv6"));
 499                 }
 500         }
 501         linphone_core_enable_ipv6(lc,ipv6);
 502         memset(&tr,0,sizeof(tr));
 503         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)) {
 504                 tr.udp_port=(0xDFF&+random())+1024;
 505         } else {
 506                 tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 507         }
 508         if (lp_config_get_int(lc->config,"sip","sip_tcp_random_port",0)) {
 509                 tr.tcp_port=(0xDFF&+random())+1024;
 510         } else {
 511                 tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 512         }
 513         /*start listening on ports*/
 514         linphone_core_set_sip_transports(lc,&tr);
 515
 516         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 517         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 518                 const char *hostname=NULL;
 519                 const char *username=NULL;
 520 #ifdef HAVE_GETENV
 521                 hostname=getenv("HOST");
 522                 username=getenv("USER");
 523                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 524 #endif /*HAVE_GETENV*/
 525                 if (hostname==NULL)
 526                         hostname="unknown-host";
 527                 if (username==NULL){
 528                         username="toto";
 529                 }
 530                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 531                 linphone_core_set_primary_contact(lc,contact);
 532                 ms_free(contact);
 533         }
 534
 535         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 536         linphone_core_set_guess_hostname(lc,tmp);
 537
 538
 539         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 540         linphone_core_set_inc_timeout(lc,tmp);
 541
 542         /* get proxies config */
 543         for(i=0;; i++){
 544                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 545                 if (cfg!=NULL){
 546                         linphone_core_add_proxy_config(lc,cfg);
 547                 }else{
 548                         break;
 549                 }
 550         }
 551         /* get the default proxy */
 552         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 553         linphone_core_set_default_proxy_index(lc,tmp);
 554
 555         /* read authentication information */
 556         for(i=0;; i++){
 557                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 558                 if (ai!=NULL){
 559                         linphone_core_add_auth_info(lc,ai);
 560                         linphone_auth_info_destroy(ai);
 561                 }else{
 562                         break;
 563                 }
 564         }
 565
 566
 567
 568
 569         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 570
 571         /*for tuning or test*/
 572         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 573         lc->sip_conf.only_one_codec=lp_config_get_int(lc->config,"sip","only_one_codec",0);
 574         lc->sip_conf.register_only_when_network_is_up=
 575                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 576         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 577         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 578         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 579         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 580 }
 581
 582 static void rtp_config_read(LinphoneCore *lc)
 583 {
 584         int port;
 585         int jitt_comp;
 586         int nortp_timeout;
 587         bool_t rtp_no_xmit_on_audio_mute;
 588
 589         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 590         linphone_core_set_audio_port(lc,port);
 591
 592         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 593         if (port==0) port=9078;
 594         linphone_core_set_video_port(lc,port);
 595
 596         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 597         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 598         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 599         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 600         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 601         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 602         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 603 }
 604
 605 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 606         PayloadType *candidate=NULL;
 607         int i;
 608         PayloadType *it;
 609         for(i=0;i<127;++i){
 610                 it=rtp_profile_get_payload(prof,i);
 611                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 612                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 613                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 614                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 615                                 /*exact match*/
 616                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 617                                 return it;
 618                         }else {
 619                                 if (candidate){
 620                                         if (it->recv_fmtp==NULL) candidate=it;
 621                                 }else candidate=it;
 622                         }
 623                 }
 624         }
 625         if (candidate && recv_fmtp){
 626                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 627         }
 628         return candidate;
 629 }
 630
 631 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 632         char codeckey[50];
 633         const char *mime,*fmtp;
 634         int rate,enabled;
 635         PayloadType *pt;
 636
 637         *ret=NULL;
 638         snprintf(codeckey,50,"%s_%i",type,index);
 639         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 640         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 641
 642         rate=lp_config_get_int(config,codeckey,"rate",8000);
 643         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 644         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 645         pt=find_payload(&av_profile,mime,rate,fmtp);
 646         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 647         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 648         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 649                         mime,rate,fmtp ? fmtp : "");
 650         *ret=pt;
 651         return TRUE;
 652 }
 653
 654 static const char *codec_pref_order[]={
 655         "speex",
 656         "gsm",
 657         "pcmu",
 658         "pcma",
 659         "H264",
 660         "MP4V-ES",
 661         "theora",
 662         "H263-1998",
 663         "H263",
 664         NULL,
 665 };
 666
 667 static int find_codec_rank(const char *mime){
 668         int i;
 669         for(i=0;codec_pref_order[i]!=NULL;++i){
 670                 if (strcasecmp(codec_pref_order[i],mime)==0)
 671                         break;
 672         }
 673         return i;
 674 }
 675
 676 static int codec_compare(const PayloadType *a, const PayloadType *b){
 677         int ra,rb;
 678         ra=find_codec_rank(a->mime_type);
 679         rb=find_codec_rank(b->mime_type);
 680         if (ra>rb) return 1;
 681         if (ra<rb) return -1;
 682         return 0;
 683 }
 684
 685 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 686         int i;
 687         for(i=0;i<127;++i){
 688                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 689                 if (pt){
 690                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 691                                 pt=NULL;
 692                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 693                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 694                                 pt=NULL;
 695                         }
 696                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 697                                 if (ms_list_find(l,pt)==NULL){
 698                                         payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 699                                         ms_message("Adding new codec %s/%i with fmtp %s",
 700                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 701                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 702                                 }
 703                         }
 704                 }
 705         }
 706         return l;
 707 }
 708
 709 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 710         MSList *elem;
 711         for (elem=l;elem!=NULL;elem=elem->next){
 712                 PayloadType *ept=(PayloadType*)elem->data;
 713                 if (pt==ept)
 714                         return l;
 715         }
 716         l=ms_list_append(l,pt);
 717         return l;
 718 }
 719
 720 static void codecs_config_read(LinphoneCore *lc)
 721 {
 722         int i;
 723         PayloadType *pt;
 724         MSList *audio_codecs=NULL;
 725         MSList *video_codecs=NULL;
 726         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 727                 if (pt){
 728                         if (!ms_filter_codec_supported(pt->mime_type)){
 729                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 730                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 731                 }
 732         }
 733         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 734         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 735                 if (pt){
 736                         if (!ms_filter_codec_supported(pt->mime_type)){
 737                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 738                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 739                 }
 740         }
 741         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 742         linphone_core_set_audio_codecs(lc,audio_codecs);
 743         linphone_core_set_video_codecs(lc,video_codecs);
 744         linphone_core_update_allocated_audio_bandwidth(lc);
 745 }
 746
 747 static void video_config_read(LinphoneCore *lc){
 748         int capture, display, self_view;
 749         int enabled;
 750         const char *str;
 751         int ndev;
 752         const char **devices;
 753         const MSList *elem;
 754         int i;
 755
 756         /* retrieve all video devices */
 757         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 758         ndev=ms_list_size(elem);
 759         devices=ms_malloc((ndev+1)*sizeof(const char *));
 760         for (i=0;elem!=NULL;elem=elem->next,i++){
 761                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 762         }
 763         devices[ndev]=NULL;
 764         lc->video_conf.cams=devices;
 765
 766         str=lp_config_get_string(lc->config,"video","device",NULL);
 767         if (str && str[0]==0) str=NULL;
 768         linphone_core_set_video_device(lc,str);
 769
 770         linphone_core_set_preferred_video_size_by_name(lc,
 771                 lp_config_get_string(lc->config,"video","size","cif"));
 772
 773         enabled=lp_config_get_int(lc->config,"video","enabled",1);
 774         capture=lp_config_get_int(lc->config,"video","capture",enabled);
 775         display=lp_config_get_int(lc->config,"video","display",enabled);
 776         self_view=lp_config_get_int(lc->config,"video","self_view",enabled);
 777         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 778         if(lc->video_conf.displaytype)
 779                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 780 #ifdef VIDEO_ENABLED
 781         linphone_core_enable_video(lc,capture,display);
 782         linphone_core_enable_self_view(lc,self_view);
 783 #endif
 784 }
 785
 786 static void ui_config_read(LinphoneCore *lc)
 787 {
 788         LinphoneFriend *lf;
 789         int i;
 790         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 791                 linphone_core_add_friend(lc,lf);
 792         }
 793         call_logs_read_from_config_file(lc);
 794 }
 795
 796 /*
 797 static void autoreplier_config_init(LinphoneCore *lc)
 798 {
 799         autoreplier_config_t *config=&lc->autoreplier_conf;
 800         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 801         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 802         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 803         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 804         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 805         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 806 }
 807 */
 808
 809 /**
 810  * Sets maximum available download bandwidth
 811  *
 812  * @ingroup media_parameters
 813  *
 814  * This is IP bandwidth, in kbit/s.
 815  * This information is used signaled to other parties during
 816  * calls (within SDP messages) so that the remote end can have
 817  * sufficient knowledge to properly configure its audio & video
 818  * codec output bitrate to not overflow available bandwidth.
 819  *
 820  * @param lc the LinphoneCore object
 821  * @param bw the bandwidth in kbits/s, 0 for infinite
 822  */
 823 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 824         lc->net_conf.download_bw=bw;
 825         if (bw==0){ /*infinite*/
 826                 lc->dw_audio_bw=-1;
 827                 lc->dw_video_bw=-1;
 828         }else {
 829                 lc->dw_audio_bw=MIN(lc->audio_bw,bw);
 830                 lc->dw_video_bw=MAX(bw-lc->dw_audio_bw-10,0);/*-10: security margin*/
 831         }
 832 }
 833
 834 /**
 835  * Sets maximum available upload bandwidth
 836  *
 837  * @ingroup media_parameters
 838  *
 839  * This is IP bandwidth, in kbit/s.
 840  * This information is used by liblinphone together with remote
 841  * side available bandwidth signaled in SDP messages to properly
 842  * configure audio & video codec's output bitrate.
 843  *
 844  * @param lc the LinphoneCore object
 845  * @param bw the bandwidth in kbits/s, 0 for infinite
 846  */
 847 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 848         lc->net_conf.upload_bw=bw;
 849         if (bw==0){ /*infinite*/
 850                 lc->up_audio_bw=-1;
 851                 lc->up_video_bw=-1;
 852         }else{
 853                 lc->up_audio_bw=MIN(lc->audio_bw,bw);
 854                 lc->up_video_bw=MAX(bw-lc->up_audio_bw-10,0);/*-10: security margin*/
 855         }
 856 }
 857
 858 /**
 859  * Retrieve the maximum available download bandwidth.
 860  *
 861  * @ingroup media_parameters
 862  *
 863  * This value was set by linphone_core_set_download_bandwidth().
 864  *
 865 **/
 866 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 867         return lc->net_conf.download_bw;
 868 }
 869
 870 /**
 871  * Retrieve the maximum available upload bandwidth.
 872  *
 873  * @ingroup media_parameters
 874  *
 875  * This value was set by linphone_core_set_upload_bandwidth().
 876  *
 877 **/
 878 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 879         return lc->net_conf.upload_bw;
 880 }
 881 /**
 882  * set audio packetization time linphone expect to received from peer
 883  */
 884 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 885         lc->net_conf.down_ptime=ptime;
 886 }
 887
 888 int  linphone_core_get_download_ptime(LinphoneCore *lc) {
 889         return lc->net_conf.down_ptime;
 890 }
 891
 892
 893 /**
 894  * Returns liblinphone's version as a string.
 895  *
 896  * @ingroup misc
 897  *
 898 **/
 899 const char * linphone_core_get_version(void){
 900         return liblinphone_version;
 901 }
 902
 903
 904 static MSList *linphone_payload_types=NULL;
 905
 906 static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
 907         PayloadType *pt;
 908         pt=payload_type_clone(const_pt);
 909         payload_type_set_number(pt,number);
 910         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 911         rtp_profile_set_payload(&av_profile,number,pt);
 912         linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 913 }
 914
 915 static void linphone_core_free_payload_types(void){
 916         ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
 917         ms_list_free(linphone_payload_types);
 918         linphone_payload_types=NULL;
 919 }
 920
 921 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
 922         lc->state=gstate;
 923         if (lc->vtable.global_state_changed){
 924                 lc->vtable.global_state_changed(lc,gstate,message);
 925         }
 926 }
 927
 928 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
 929     const char *factory_config_path, void * userdata)
 930 {
 931         memset (lc, 0, sizeof (LinphoneCore));
 932         lc->data=userdata;
 933
 934         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
 935
 936         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
 937         ortp_init();
 938         linphone_core_assign_payload_type(&payload_type_pcmu8000,0,NULL);
 939         linphone_core_assign_payload_type(&payload_type_gsm,3,NULL);
 940         linphone_core_assign_payload_type(&payload_type_pcma8000,8,NULL);
 941         linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
 942         linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=vad");
 943         linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=vad");
 944         linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
 945         linphone_core_assign_payload_type(&payload_type_telephone_event,101,"0-11");
 946         linphone_core_assign_payload_type(&payload_type_ilbc,113,"mode=30");
 947         linphone_core_assign_payload_type(&payload_type_amr,114,"octet-align=1");
 948
 949 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
 950         /*shorten the DNS lookup time and send more retransmissions on mobiles:
 951          - to workaround potential packet losses
 952          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
 953          */
 954         _linphone_core_configure_resolver();
 955 #endif
 956
 957 #ifdef ENABLE_NONSTANDARD_GSM
 958         {
 959                 PayloadType *pt;
 960                 pt=payload_type_clone(&payload_type_gsm);
 961                 pt->clock_rate=11025;
 962                 rtp_profile_set_payload(&av_profile,114,pt);
 963                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 964                 pt=payload_type_clone(&payload_type_gsm);
 965                 pt->clock_rate=22050;
 966                 rtp_profile_set_payload(&av_profile,115,pt);
 967                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 968         }
 969 #endif
 970
 971 #ifdef VIDEO_ENABLED
 972         linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
 973         linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
 974         linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
 975         linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
 976         linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
 977         linphone_core_assign_payload_type(&payload_type_h264,102,NULL);
 978         linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1");
 979 #endif
 980
 981         ms_init();
 982         /* create a mediastreamer2 event queue and set it as global */
 983         /* This allows to run event's callback in linphone_core_iterate() */
 984         lc->msevq=ms_event_queue_new();
 985         ms_set_global_event_queue(lc->msevq);
 986
 987         lc->config=lp_config_new(config_path);
 988         if (factory_config_path)
 989                 lp_config_read_file(lc->config,factory_config_path);
 990
 991         lc->sal=sal_init();
 992         sal_set_user_pointer(lc->sal,lc);
 993         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
 994
 995         sip_setup_register_all();
 996         sound_config_read(lc);
 997         net_config_read(lc);
 998         rtp_config_read(lc);
 999         codecs_config_read(lc);
1000         sip_config_read(lc); /* this will start eXosip*/
1001         video_config_read(lc);
1002         //autoreplier_config_init(&lc->autoreplier_conf);
1003         lc->presence_mode=LinphoneStatusOnline;
1004         lc->max_call_logs=15;
1005         ui_config_read(lc);
1006         if (lc->vtable.display_status)
1007                 lc->vtable.display_status(lc,_("Ready"));
1008         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1009         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1010 }
1011
1012 /**
1013  * Instanciates a LinphoneCore object.
1014  * @ingroup initializing
1015  *
1016  * The LinphoneCore object is the primary handle for doing all phone actions.
1017  * It should be unique within your application.
1018  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1019  * @param config_path a path to a config file. If it does not exists it will be created.
1020  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1021  *             become persistent over the life of the LinphoneCore object.
1022  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1023  * @param factory_config_path a path to a read-only config file that can be used to
1024  *        to store hard-coded preference such as proxy settings or internal preferences.
1025  *        The settings in this factory file always override the one in the normal config file.
1026  *        It is OPTIONAL, use NULL if unneeded.
1027  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1028  *        callbacks) using linphone_core_get_user_data().
1029  *
1030 **/
1031 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1032                                                 const char *config_path, const char *factory_config_path, void * userdata)
1033 {
1034         LinphoneCore *core=ms_new(LinphoneCore,1);
1035         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1036         return core;
1037 }
1038
1039 /**
1040  * Returns the list of available audio codecs.
1041  *
1042  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1043  * structure holding the codec information.
1044  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1045  * (such as the order of codecs).
1046 **/
1047 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1048 {
1049         return lc->codecs_conf.audio_codecs;
1050 }
1051
1052 /**
1053  * Returns the list of available video codecs.
1054  *
1055  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1056  * structure holding the codec information.
1057  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1058  * (such as the order of codecs).
1059 **/
1060 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1061 {
1062         return lc->codecs_conf.video_codecs;
1063 }
1064
1065 /**
1066  * Sets the local "from" identity.
1067  *
1068  * @ingroup proxies
1069  * This data is used in absence of any proxy configuration or when no
1070  * default proxy configuration is set. See LinphoneProxyConfig
1071 **/
1072 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1073 {
1074         LinphoneAddress *ctt;
1075
1076         if ((ctt=linphone_address_new(contact))==0) {
1077                 ms_error("Bad contact url: %s",contact);
1078                 return -1;
1079         }
1080         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1081         lc->sip_conf.contact=ms_strdup(contact);
1082         if (lc->sip_conf.guessed_contact!=NULL){
1083                 ms_free(lc->sip_conf.guessed_contact);
1084                 lc->sip_conf.guessed_contact=NULL;
1085         }
1086         linphone_address_destroy(ctt);
1087         return 0;
1088 }
1089
1090
1091 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1092 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1093         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1094             && linphone_core_get_nat_address(lc)!=NULL){
1095                 strncpy(result,linphone_core_get_nat_address(lc),LINPHONE_IPADDR_SIZE);
1096                 return;
1097         }
1098         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1099                 return;
1100         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1101         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1102 }
1103
1104 static void update_primary_contact(LinphoneCore *lc){
1105         char *guessed=NULL;
1106         char tmp[LINPHONE_IPADDR_SIZE];
1107
1108         LinphoneAddress *url;
1109         if (lc->sip_conf.guessed_contact!=NULL){
1110                 ms_free(lc->sip_conf.guessed_contact);
1111                 lc->sip_conf.guessed_contact=NULL;
1112         }
1113         url=linphone_address_new(lc->sip_conf.contact);
1114         if (!url){
1115                 ms_error("Could not parse identity contact !");
1116                 url=linphone_address_new("sip:unknown@unkwownhost");
1117         }
1118         linphone_core_get_local_ip(lc, NULL, tmp);
1119         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1120                 ms_warning("Local loopback network only !");
1121                 lc->sip_conf.loopback_only=TRUE;
1122         }else lc->sip_conf.loopback_only=FALSE;
1123         linphone_address_set_domain(url,tmp);
1124         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1125         guessed=linphone_address_as_string(url);
1126         lc->sip_conf.guessed_contact=guessed;
1127         linphone_address_destroy(url);
1128 }
1129
1130 /**
1131  * Returns the default identity when no proxy configuration is used.
1132  *
1133  * @ingroup proxies
1134 **/
1135 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1136         char *identity;
1137
1138         if (lc->sip_conf.guess_hostname){
1139                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1140                         update_primary_contact(lc);
1141                 }
1142                 identity=lc->sip_conf.guessed_contact;
1143         }else{
1144                 identity=lc->sip_conf.contact;
1145         }
1146         return identity;
1147 }
1148
1149 /**
1150  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1151  *
1152  * @ingroup proxies
1153 **/
1154 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1155         lc->sip_conf.guess_hostname=val;
1156 }
1157
1158 /**
1159  * Returns TRUE if hostname part of primary contact is guessed automatically.
1160  *
1161  * @ingroup proxies
1162 **/
1163 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1164         return lc->sip_conf.guess_hostname;
1165 }
1166
1167 /**
1168  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1169  * instead of const char*
1170  *
1171  * @ingroup proxies
1172 **/
1173 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1174         return linphone_address_new(linphone_core_get_primary_contact(lc));
1175 }
1176
1177 /**
1178  * Sets the list of audio codecs.
1179  *
1180  * @ingroup media_parameters
1181  * The list is taken by the LinphoneCore thus the application should not free it.
1182  * This list is made of struct PayloadType describing the codec parameters.
1183 **/
1184 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1185 {
1186         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1187         lc->codecs_conf.audio_codecs=codecs;
1188         return 0;
1189 }
1190
1191 /**
1192  * Sets the list of video codecs.
1193  *
1194  * @ingroup media_parameters
1195  * The list is taken by the LinphoneCore thus the application should not free it.
1196  * This list is made of struct PayloadType describing the codec parameters.
1197 **/
1198 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1199 {
1200         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1201         lc->codecs_conf.video_codecs=codecs;
1202         return 0;
1203 }
1204
1205 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1206 {
1207         return lc->friends;
1208 }
1209
1210 /**
1211  * Returns the nominal jitter buffer size in milliseconds.
1212  *
1213  * @ingroup media_parameters
1214 **/
1215 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1216 {
1217         return lc->rtp_conf.audio_jitt_comp;
1218 }
1219
1220 /**
1221  * Returns the UDP port used for audio streaming.
1222  *
1223  * @ingroup network_parameters
1224 **/
1225 int linphone_core_get_audio_port(const LinphoneCore *lc)
1226 {
1227         return lc->rtp_conf.audio_rtp_port;
1228 }
1229
1230 /**
1231  * Returns the UDP port used for video streaming.
1232  *
1233  * @ingroup network_parameters
1234 **/
1235 int linphone_core_get_video_port(const LinphoneCore *lc){
1236         return lc->rtp_conf.video_rtp_port;
1237 }
1238
1239
1240 /**
1241  * Returns the value in seconds of the no-rtp timeout.
1242  *
1243  * @ingroup media_parameters
1244  * When no RTP or RTCP packets have been received for a while
1245  * LinphoneCore will consider the call is broken (remote end crashed or
1246  * disconnected from the network), and thus will terminate the call.
1247  * The no-rtp timeout is the duration above which the call is considered broken.
1248 **/
1249 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1250         return lc->rtp_conf.nortp_timeout;
1251 }
1252
1253 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1254         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1255 }
1256
1257 /**
1258  * Sets the nominal audio jitter buffer size in milliseconds.
1259  *
1260  * @ingroup media_parameters
1261 **/
1262 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1263 {
1264         lc->rtp_conf.audio_jitt_comp=value;
1265 }
1266
1267 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1268         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1269 }
1270
1271 /**
1272  * Sets the UDP port used for audio streaming.
1273  *
1274  * @ingroup network_parameters
1275 **/
1276 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1277 {
1278         lc->rtp_conf.audio_rtp_port=port;
1279 }
1280
1281 /**
1282  * Sets the UDP port used for video streaming.
1283  *
1284  * @ingroup network_parameters
1285 **/
1286 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1287         lc->rtp_conf.video_rtp_port=port;
1288 }
1289
1290 /**
1291  * Sets the no-rtp timeout value in seconds.
1292  *
1293  * @ingroup media_parameters
1294  * See linphone_core_get_nortp_timeout() for details.
1295 **/
1296 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1297         lc->rtp_conf.nortp_timeout=nortp_timeout;
1298 }
1299
1300 /**
1301  * Indicates whether SIP INFO is used for sending digits.
1302  *
1303  * @ingroup media_parameters
1304 **/
1305 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1306 {
1307         return lc->sip_conf.use_info;
1308 }
1309
1310 /**
1311  * Sets whether SIP INFO is to be used for sending digits.
1312  *
1313  * @ingroup media_parameters
1314 **/
1315 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1316 {
1317         lc->sip_conf.use_info=use_info;
1318 }
1319
1320 /**
1321  * Indicates whether RFC2833 is used for sending digits.
1322  *
1323  * @ingroup media_parameters
1324 **/
1325 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1326 {
1327         return lc->sip_conf.use_rfc2833;
1328 }
1329
1330 /**
1331  * Sets whether RFC2833 is to be used for sending digits.
1332  *
1333  * @ingroup media_parameters
1334 **/
1335 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1336 {
1337         lc->sip_conf.use_rfc2833=use_rfc2833;
1338 }
1339
1340 /**
1341  * Returns the UDP port used by SIP.
1342  *
1343  * Deprecated: use linphone_core_get_sip_transports() instead.
1344  * @ingroup network_parameters
1345 **/
1346 int linphone_core_get_sip_port(LinphoneCore *lc)
1347 {
1348         LCSipTransports *tr=&lc->sip_conf.transports;
1349         return tr->udp_port>0 ? tr->udp_port : tr->tcp_port;
1350 }
1351
1352 static char _ua_name[64]="Linphone";
1353 static char _ua_version[64]=LINPHONE_VERSION;
1354
1355 #ifdef HAVE_EXOSIP_GET_VERSION
1356 extern const char *eXosip_get_version();
1357 #endif
1358
1359 static void apply_user_agent(LinphoneCore *lc){
1360         char ua_string[256];
1361         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1362 #ifdef HAVE_EXOSIP_GET_VERSION
1363                  eXosip_get_version()
1364 #else
1365                  "unknown"
1366 #endif
1367         );
1368         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1369 }
1370
1371 /**
1372  * Sets the user agent string used in SIP messages.
1373  *
1374  * @ingroup misc
1375 **/
1376 void linphone_core_set_user_agent(const char *name, const char *ver){
1377         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1378         strncpy(_ua_version,ver,sizeof(_ua_version));
1379 }
1380
1381 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1382         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1383         ms_warning(msg);
1384         if (lc->vtable.display_warning)
1385                 lc->vtable.display_warning(lc,msg);
1386         ms_free(msg);
1387 }
1388
1389 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1390         return
1391                 tr2->udp_port==tr1->udp_port &&
1392                 tr2->tcp_port==tr1->tcp_port &&
1393                 tr2->dtls_port==tr1->dtls_port &&
1394                 tr2->tls_port==tr1->tls_port;
1395 }
1396
1397 static int apply_transports(LinphoneCore *lc){
1398         Sal *sal=lc->sal;
1399         const char *anyaddr;
1400         LCSipTransports *tr=&lc->sip_conf.transports;
1401
1402         if (lc->sip_conf.ipv6_enabled)
1403                 anyaddr="::0";
1404         else
1405                 anyaddr="0.0.0.0";
1406
1407         sal_unlisten_ports (sal);
1408         if (tr->udp_port>0){
1409                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportDatagram,FALSE)!=0){
1410                         transport_error(lc,"UDP",tr->udp_port);
1411                         return -1;
1412                 }
1413         }
1414         if (tr->tcp_port>0){
1415                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportStream,FALSE)!=0){
1416                         transport_error(lc,"TCP",tr->tcp_port);
1417                 }
1418         }
1419         apply_user_agent(lc);
1420         return 0;
1421 }
1422
1423 /**
1424  * Sets the ports to be used for each of transport (UDP or TCP)
1425  *
1426  * A zero value port for a given transport means the transport
1427  * is not used.
1428  *
1429  * @ingroup network_parameters
1430 **/
1431 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1432
1433         if (transports_unchanged(tr,&lc->sip_conf.transports))
1434                 return 0;
1435         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1436
1437         if (lc->sal==NULL) return 0;
1438         return apply_transports(lc);
1439 }
1440
1441 /**
1442  * Retrieves the ports used for each transport (udp, tcp).
1443  * A zero value port for a given transport means the transport
1444  * is not used.
1445  * @ingroup network_parameters
1446 **/
1447 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1448         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1449         return 0;
1450 }
1451
1452 /**
1453  * Sets the UDP port to be used by SIP.
1454  *
1455  * Deprecated: use linphone_core_set_sip_transports() instead.
1456  * @ingroup network_parameters
1457 **/
1458 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1459 {
1460         LCSipTransports tr;
1461         memset(&tr,0,sizeof(tr));
1462         tr.udp_port=port;
1463         linphone_core_set_sip_transports (lc,&tr);
1464 }
1465
1466 /**
1467  * Returns TRUE if IPv6 is enabled.
1468  *
1469  * @ingroup network_parameters
1470  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1471 **/
1472 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1473         return lc->sip_conf.ipv6_enabled;
1474 }
1475
1476 /**
1477  * Turns IPv6 support on or off.
1478  *
1479  * @ingroup network_parameters
1480  *
1481  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1482  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1483  * By default IPv6 support is off.
1484 **/
1485 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1486         if (lc->sip_conf.ipv6_enabled!=val){
1487                 lc->sip_conf.ipv6_enabled=val;
1488                 if (lc->sal){
1489                         /* we need to restart eXosip */
1490                         apply_transports(lc);
1491                 }
1492         }
1493 }
1494
1495 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1496         ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1497         (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1498         (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1499         (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1500         (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1501 }
1502
1503 static void linphone_core_disconnected(LinphoneCore *lc, LinphoneCall *call){
1504         char temp[256];
1505         char *from=NULL;
1506         if(call)
1507                 from = linphone_call_get_remote_address_as_string(call);
1508         if(from)
1509         {
1510                 snprintf(temp,sizeof(temp),"Remote end %s seems to have disconnected, the call is going to be closed.",from);
1511                 free(from);
1512         }
1513         else
1514         {
1515                 snprintf(temp,sizeof(temp),"Remote end seems to have disconnected, the call is going to be closed.");
1516         }
1517         if (lc->vtable.display_warning!=NULL)
1518                 lc->vtable.display_warning(lc,temp);
1519         linphone_core_terminate_call(lc,call);
1520 }
1521
1522 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1523         static time_t last_check=0;
1524         static bool_t last_status=FALSE;
1525         char result[LINPHONE_IPADDR_SIZE];
1526         bool_t new_status=last_status;
1527
1528         /* only do the network up checking every five seconds */
1529         if (last_check==0 || (curtime-last_check)>=5){
1530                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1531                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1532                         new_status=TRUE;
1533                 }else new_status=FALSE;
1534                 last_check=curtime;
1535                 if (new_status!=last_status) {
1536                         if (new_status){
1537                                 ms_message("New local ip address is %s",result);
1538                         }
1539                         set_network_reachable(lc,new_status, curtime);
1540                         last_status=new_status;
1541                 }
1542         }
1543 }
1544
1545 static void proxy_update(LinphoneCore *lc){
1546         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1547         MSList* list=ms_list_copy(lc->sip_conf.deleted_proxies);
1548         for(;list!=NULL;list=list->next){
1549                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*) list->data;
1550                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1551                         lc->sip_conf.deleted_proxies =ms_list_remove(lc->sip_conf.deleted_proxies,(void *)cfg);
1552                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1553                         linphone_proxy_config_destroy(cfg);
1554                 }
1555         }
1556         ms_list_free(list);
1557 }
1558
1559 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1560         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1561         if (lf!=NULL){
1562                 lf->info=info;
1563                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1564                 if (lc->vtable.buddy_info_updated)
1565                         lc->vtable.buddy_info_updated(lc,lf);
1566         }else{
1567                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1568         }
1569 }
1570
1571 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1572         MSList *elem;
1573         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1574         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1575                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1576                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1577                         if (req->results!=NULL){
1578                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1579                                 ms_list_free(req->results);
1580                                 req->results=NULL;
1581                                 assign_buddy_info(lc,i);
1582                         }
1583                         sip_setup_context_buddy_lookup_free(ctx,req);
1584                         elem->data=NULL;
1585                 }
1586         }
1587         /*purge completed requests */
1588         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1589                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1590         }
1591 }
1592
1593 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1594         const MSList *elem;
1595         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1596         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1597                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1598                 if (lf->info==NULL){
1599                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1600                                 if (linphone_address_get_username(lf->uri)!=NULL){
1601                                         BuddyLookupRequest *req;
1602                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1603                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1604                                         buddy_lookup_request_set_key(req,tmp);
1605                                         buddy_lookup_request_set_max_results(req,1);
1606                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1607                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1608                                         ms_free(tmp);
1609                                 }
1610                         }
1611                 }
1612         }
1613 }
1614
1615 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1616         LinphoneProxyConfig *cfg=NULL;
1617         linphone_core_get_default_proxy(lc,&cfg);
1618         if (cfg){
1619                 if (lc->bl_refresh){
1620                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1621                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1622                                 linphone_core_grab_buddy_infos(lc,cfg);
1623                                 lc->bl_refresh=FALSE;
1624                         }
1625                 }
1626                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1627         }
1628 }
1629
1630 /**
1631  * Main loop function. It is crucial that your application call it periodically.
1632  *
1633  * @ingroup initializing
1634  * linphone_core_iterate() performs various backgrounds tasks:
1635  * - receiving of SIP messages
1636  * - handles timers and timeout
1637  * - performs registration to proxies
1638  * - authentication retries
1639  * The application MUST call this function from periodically, in its main loop.
1640  * Be careful that this function must be call from the same thread as
1641  * other liblinphone methods. In not the case make sure all liblinphone calls are
1642  * serialized with a mutex.
1643 **/
1644 void linphone_core_iterate(LinphoneCore *lc){
1645         MSList *calls;
1646         LinphoneCall *call;
1647         int disconnect_timeout = linphone_core_get_nortp_timeout(lc);
1648         time_t curtime=time(NULL);
1649         int elapsed;
1650         bool_t one_second_elapsed=FALSE;
1651         bool_t disconnected=FALSE;
1652
1653         if (curtime-lc->prevtime>=1){
1654                 lc->prevtime=curtime;
1655                 one_second_elapsed=TRUE;
1656         }
1657
1658         if (lc->preview_finished){
1659                 lc->preview_finished=0;
1660                 ring_stop(lc->ringstream);
1661                 lc->ringstream=NULL;
1662                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1663         }
1664
1665         if (lc->ringstream && lc->dmfs_playing_start_time!=0
1666             && (curtime-lc->dmfs_playing_start_time)>5){
1667                 ring_stop(lc->ringstream);
1668                 lc->ringstream=NULL;
1669                 lc->dmfs_playing_start_time=0;
1670         }
1671
1672         sal_iterate(lc->sal);
1673         ms_event_queue_pump(lc->msevq);
1674         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1675
1676         proxy_update(lc);
1677
1678         //we have to iterate for each call
1679         calls= lc->calls;
1680         while(calls!= NULL){
1681                 call = (LinphoneCall *)calls->data;
1682                  /* get immediately a reference to next one in case the one
1683                  we are going to examine is destroy and removed during
1684                  linphone_core_start_invite() */
1685                 calls=calls->next;
1686                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1687                                 /*start the call even if the OPTIONS reply did not arrive*/
1688                                 linphone_core_start_invite(lc,call,NULL);
1689                         }
1690                 if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallOutgoingRinging){
1691                         elapsed=curtime-call->start_time;
1692                         ms_message("incoming call ringing for %i seconds",elapsed);
1693                         if (elapsed>lc->sip_conf.inc_timeout){
1694                                 call->log->status=LinphoneCallMissed;
1695                                 linphone_core_terminate_call(lc,call);
1696                         }
1697                 }
1698         }
1699         call = linphone_core_get_current_call(lc);
1700         if(call)
1701         {
1702                 if (call->state==LinphoneCallStreamsRunning && one_second_elapsed)
1703                 {
1704                         RtpSession *as=NULL,*vs=NULL;
1705                         lc->prevtime=curtime;
1706                         if (call->audiostream!=NULL)
1707                                 as=call->audiostream->session;
1708                         if (call->videostream!=NULL)
1709                                 vs=call->videostream->session;
1710                         display_bandwidth(as,vs);
1711                 }
1712 #ifdef VIDEO_ENABLED
1713                 if (call->videostream!=NULL)
1714                         video_stream_iterate(call->videostream);
1715 #endif
1716                 if (call->audiostream!=NULL && disconnect_timeout>0)
1717                         disconnected=!audio_stream_alive(call->audiostream,disconnect_timeout);
1718         }
1719         if (linphone_core_video_preview_enabled(lc)){
1720                 if (lc->previewstream==NULL && lc->calls==NULL)
1721                         toggle_video_preview(lc,TRUE);
1722 #ifdef VIDEO_ENABLED
1723                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1724 #endif
1725         }else{
1726                 if (lc->previewstream!=NULL)
1727                         toggle_video_preview(lc,FALSE);
1728         }
1729         if (disconnected)
1730                 linphone_core_disconnected(lc,call);
1731
1732         linphone_core_do_plugin_tasks(lc);
1733
1734         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1735             (curtime-lc->netup_time)>3){
1736                 linphone_core_send_initial_subscribes(lc);
1737                 lc->initial_subscribes_sent=TRUE;
1738         }
1739
1740         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1741                 lp_config_sync(lc->config);
1742         }
1743 }
1744
1745 /**
1746  * Interpret a call destination as supplied by the user, and returns a fully qualified
1747  * LinphoneAddress.
1748  *
1749  * A sip address should look like DisplayName <sip:username@domain:port> .
1750  * Basically this function performs the following tasks
1751  * - if a phone number is entered, prepend country prefix of the default proxy
1752  *   configuration, eventually escape the '+' by 00.
1753  * - if no domain part is supplied, append the domain name of the default proxy
1754  * - if no sip: is present, prepend it
1755  *
1756  * The result is a syntaxically correct SIP address.
1757 **/
1758
1759 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1760         enum_lookup_res_t *enumres=NULL;
1761         char *enum_domain=NULL;
1762         LinphoneProxyConfig *proxy=lc->default_proxy;;
1763         char *tmpurl;
1764         LinphoneAddress *uri;
1765
1766         if (is_enum(url,&enum_domain)){
1767                 if (lc->vtable.display_status!=NULL)
1768                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1769                 if (enum_lookup(enum_domain,&enumres)<0){
1770                         if (lc->vtable.display_status!=NULL)
1771                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1772                         ms_free(enum_domain);
1773                         return NULL;
1774                 }
1775                 ms_free(enum_domain);
1776                 tmpurl=enumres->sip_address[0];
1777                 uri=linphone_address_new(tmpurl);
1778                 enum_lookup_res_free(enumres);
1779                 return uri;
1780         }
1781         /* check if we have a "sip:" */
1782         if (strstr(url,"sip:")==NULL){
1783                 /* this doesn't look like a true sip uri */
1784                 if (strchr(url,'@')!=NULL){
1785                         /* seems like sip: is missing !*/
1786                         tmpurl=ms_strdup_printf("sip:%s",url);
1787                         uri=linphone_address_new(tmpurl);
1788                         ms_free(tmpurl);
1789                         if (uri){
1790                                 return uri;
1791                         }
1792                 }
1793
1794                 if (proxy!=NULL){
1795                         /* append the proxy domain suffix */
1796                         const char *identity=linphone_proxy_config_get_identity(proxy);
1797                         char normalized_username[128];
1798                         uri=linphone_address_new(identity);
1799                         if (uri==NULL){
1800                                 return NULL;
1801                         }
1802                         linphone_address_set_display_name(uri,NULL);
1803                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1804                                                                 sizeof(normalized_username));
1805                         linphone_address_set_username(uri,normalized_username);
1806                         return uri;
1807                 }else return NULL;
1808         }
1809         uri=linphone_address_new(url);
1810         if (uri!=NULL){
1811                 return uri;
1812         }
1813         /* else we could not do anything with url given by user, so display an error */
1814         if (lc->vtable.display_warning!=NULL){
1815                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1816         }
1817         return NULL;
1818 }
1819
1820 /**
1821  * Returns the default identity SIP address.
1822  *
1823  * @ingroup proxies
1824  * This is an helper function:
1825  *
1826  * If no default proxy is set, this will return the primary contact (
1827  * see linphone_core_get_primary_contact() ). If a default proxy is set
1828  * it returns the registered identity on the proxy.
1829 **/
1830 const char * linphone_core_get_identity(LinphoneCore *lc){
1831         LinphoneProxyConfig *proxy=NULL;
1832         const char *from;
1833         linphone_core_get_default_proxy(lc,&proxy);
1834         if (proxy!=NULL) {
1835                 from=linphone_proxy_config_get_identity(proxy);
1836         }else from=linphone_core_get_primary_contact(lc);
1837         return from;
1838 }
1839
1840 const char * linphone_core_get_route(LinphoneCore *lc){
1841         LinphoneProxyConfig *proxy=NULL;
1842         const char *route=NULL;
1843         linphone_core_get_default_proxy(lc,&proxy);
1844         if (proxy!=NULL) {
1845                 route=linphone_proxy_config_get_route(proxy);
1846         }
1847         return route;
1848 }
1849
1850 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
1851         if (call->refer_pending){
1852                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
1853                 cp->referer=call;
1854                 ms_message("Starting new call to refered address %s",call->refer_to);
1855                 call->refer_pending=FALSE;
1856                 linphone_core_invite_with_params(lc,call->refer_to,cp);
1857                 linphone_call_params_destroy(cp);
1858         }
1859 }
1860
1861 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1862         const MSList *elem;
1863         LinphoneProxyConfig *found_cfg=NULL;
1864         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1865                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1866                 const char *domain=linphone_proxy_config_get_domain(cfg);
1867                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1868                         found_cfg=cfg;
1869                         break;
1870                 }
1871         }
1872         return found_cfg;
1873 }
1874
1875 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
1876         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
1877         if (cfg==NULL)
1878                 linphone_core_get_default_proxy (lc,&cfg);
1879         if (cfg!=NULL){
1880                 *route=linphone_proxy_config_get_route(cfg);
1881                 return linphone_proxy_config_get_identity (cfg);
1882         }
1883         return linphone_core_get_primary_contact (lc);
1884 }
1885
1886 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1887         LinphoneAddress *ctt;
1888         const char *localip=call->localip;
1889
1890         /* first use user's supplied ip address if asked*/
1891         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
1892                 ctt=linphone_core_get_primary_contact_parsed(lc);
1893                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1894                         linphone_core_get_nat_address(lc));
1895         }
1896
1897         /* if already choosed, don't change it */
1898         if (call->op && sal_op_get_contact(call->op)!=NULL){
1899                 return NULL;
1900         }
1901         /* if the ping OPTIONS request succeeded use the contact guessed from the
1902          received, rport*/
1903         if (call->ping_op){
1904                 const char *guessed=sal_op_get_contact(call->ping_op);
1905                 if (guessed){
1906                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
1907                         return ms_strdup(guessed);
1908                 }
1909         }
1910
1911         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
1912         if (dest_proxy && dest_proxy->op){
1913                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
1914                 if (fixed_contact) {
1915                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
1916                         return ms_strdup(fixed_contact);
1917                 }
1918         }
1919
1920         ctt=linphone_core_get_primary_contact_parsed(lc);
1921
1922         if (ctt!=NULL){
1923                 char *ret;
1924                 /*otherwise use supllied localip*/
1925                 linphone_address_set_domain(ctt,localip);
1926                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
1927                 ret=linphone_address_as_string_uri_only(ctt);
1928                 linphone_address_destroy(ctt);
1929                 ms_message("Contact has been fixed using local ip to %s",ret);
1930                 return ret;
1931         }
1932         return NULL;
1933 }
1934
1935 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
1936         int err;
1937         char *contact;
1938         char *real_url,*barmsg;
1939         char *from;
1940
1941         /*try to be best-effort in giving real local or routable contact address */
1942         contact=get_fixed_contact(lc,call,dest_proxy);
1943         if (contact){
1944                 sal_op_set_contact(call->op, contact);
1945                 ms_free(contact);
1946         }
1947
1948         //TODO : should probably not be done here
1949         linphone_call_init_media_streams(call);
1950         if (!lc->sip_conf.sdp_200_ack){
1951                 call->media_pending=TRUE;
1952                 sal_call_set_local_media_description(call->op,call->localdesc);
1953         }
1954         real_url=linphone_address_as_string(call->log->to);
1955         from=linphone_address_as_string(call->log->from);
1956         err=sal_call(call->op,from,real_url);
1957
1958         if (lc->sip_conf.sdp_200_ack){
1959                 call->media_pending=TRUE;
1960                 sal_call_set_local_media_description(call->op,call->localdesc);
1961         }
1962         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
1963         if (lc->vtable.display_status!=NULL)
1964                 lc->vtable.display_status(lc,barmsg);
1965         ms_free(barmsg);
1966
1967         if (err<0){
1968                 if (lc->vtable.display_status!=NULL)
1969                         lc->vtable.display_status(lc,_("Could not call"));
1970                 linphone_call_stop_media_streams(call);
1971                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
1972         }else {
1973                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
1974         }
1975         ms_free(real_url);
1976         ms_free(from);
1977         return err;
1978 }
1979
1980 /**
1981  * Initiates an outgoing call
1982  *
1983  * @ingroup call_control
1984  * @param lc the LinphoneCore object
1985  * @param url the destination of the call (sip address, or phone number).
1986  *
1987  * The application doesn't own a reference to the returned LinphoneCall object.
1988  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
1989  *
1990  * @return a LinphoneCall object or NULL in case of failure
1991 **/
1992 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
1993         LinphoneCall *call;
1994         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
1995         call=linphone_core_invite_with_params(lc,url,p);
1996         linphone_call_params_destroy(p);
1997         return call;
1998 }
1999
2000
2001 /**
2002  * Initiates an outgoing call according to supplied call parameters
2003  *
2004  * @ingroup call_control
2005  * @param lc the LinphoneCore object
2006  * @param url the destination of the call (sip address, or phone number).
2007  * @param p call parameters
2008  *
2009  * The application doesn't own a reference to the returned LinphoneCall object.
2010  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2011  *
2012  * @return a LinphoneCall object or NULL in case of failure
2013 **/
2014 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2015         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2016         if (addr){
2017                 LinphoneCall *call;
2018                 call=linphone_core_invite_address_with_params(lc,addr,p);
2019                 linphone_address_destroy(addr);
2020                 return call;
2021         }
2022         return NULL;
2023 }
2024
2025 /**
2026  * Initiates an outgoing call given a destination LinphoneAddress
2027  *
2028  * @ingroup call_control
2029  * @param lc the LinphoneCore object
2030  * @param addr the destination of the call (sip address).
2031  *
2032  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2033  * created by linphone_core_interpret_url().
2034  * The application doesn't own a reference to the returned LinphoneCall object.
2035  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2036  *
2037  * @return a LinphoneCall object or NULL in case of failure
2038 **/
2039 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2040         LinphoneCall *call;
2041         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2042         call=linphone_core_invite_address_with_params (lc,addr,p);
2043         linphone_call_params_destroy(p);
2044         return call;
2045 }
2046
2047
2048 /**
2049  * Initiates an outgoing call given a destination LinphoneAddress
2050  *
2051  * @ingroup call_control
2052  * @param lc the LinphoneCore object
2053  * @param addr the destination of the call (sip address).
2054         @param params call parameters
2055  *
2056  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2057  * created by linphone_core_interpret_url().
2058  * The application doesn't own a reference to the returned LinphoneCall object.
2059  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2060  *
2061  * @return a LinphoneCall object or NULL in case of failure
2062 **/
2063 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2064 {
2065         int err=0;
2066         const char *route=NULL;
2067         const char *from=NULL;
2068         LinphoneProxyConfig *proxy=NULL;
2069         LinphoneAddress *parsed_url2=NULL;
2070         char *real_url=NULL;
2071         LinphoneProxyConfig *dest_proxy=NULL;
2072         LinphoneCall *call;
2073
2074         if (linphone_core_in_call(lc)){
2075                 if (lc->vtable.display_warning)
2076                         lc->vtable.display_warning(lc,_("Sorry, you have to pause or stop the current call first !"));
2077                 return NULL;
2078         }
2079         if(!linphone_core_can_we_add_call(lc)){
2080                 if (lc->vtable.display_warning)
2081                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2082                 return NULL;
2083         }
2084         linphone_core_get_default_proxy(lc,&proxy);
2085         route=linphone_core_get_route(lc);
2086
2087         real_url=linphone_address_as_string(addr);
2088         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2089
2090         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2091                 ms_message("Overriding default proxy setting for this call:");
2092                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2093         }
2094
2095         if (dest_proxy!=NULL)
2096                 from=linphone_proxy_config_get_identity(dest_proxy);
2097         else if (proxy!=NULL)
2098                 from=linphone_proxy_config_get_identity(proxy);
2099
2100         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2101         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2102
2103         parsed_url2=linphone_address_new(from);
2104
2105         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2106         sal_op_set_route(call->op,route);
2107
2108         if(linphone_core_add_call(lc,call)!= 0)
2109         {
2110                 ms_warning("we had a problem in adding the call into the invite ... weird");
2111                 linphone_call_unref(call);
2112                 return NULL;
2113         }
2114         /* this call becomes now the current one*/
2115         lc->current_call=call;
2116         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2117         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2118                 err=linphone_core_start_invite(lc,call,dest_proxy);
2119         }else{
2120                 /*defer the start of the call after the OPTIONS ping*/
2121                 call->ping_op=sal_op_new(lc->sal);
2122                 sal_ping(call->ping_op,from,real_url);
2123                 sal_op_set_user_pointer(call->ping_op,call);
2124                 call->start_time=time(NULL);
2125         }
2126
2127         if (real_url!=NULL) ms_free(real_url);
2128         return call;
2129 }
2130
2131 /**
2132  * Performs a simple call transfer to the specified destination.
2133  *
2134  * The remote endpoint is expected to issue a new call to the specified destination.
2135  * The current call remains active and thus can be later paused or terminated.
2136 **/
2137 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2138 {
2139         char *real_url=NULL;
2140         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2141
2142         if (!real_parsed_url){
2143                 /* bad url */
2144                 return -1;
2145         }
2146         if (call==NULL){
2147                 ms_warning("No established call to refer.");
2148                 return -1;
2149         }
2150         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2151         real_url=linphone_address_as_string (real_parsed_url);
2152         sal_call_refer(call->op,real_url);
2153         ms_free(real_url);
2154         linphone_address_destroy(real_parsed_url);
2155         return 0;
2156 }
2157
2158 /**
2159  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2160  * @param lc linphone core object
2161  * @param call a running call you want to transfer
2162  * @param dest a running call whose remote person will receive the transfer
2163  *
2164  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2165  * The destination call is a call previously established to introduce the transfered person.
2166  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2167  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2168  * close the call with us (the 'dest' call).
2169 **/
2170 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2171         return sal_call_refer_with_replaces (call->op,dest->op);
2172 }
2173
2174 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2175         LinphoneCall *call = linphone_core_get_current_call(lc);
2176         if(call != NULL)
2177         {
2178                 if(call->dir==LinphoneCallIncoming)
2179                         return TRUE;
2180         }
2181         return FALSE;
2182 }
2183
2184 /**
2185  * Updates a running call according to supplied call parameters.
2186  *
2187  * For the moment, this is limited to enabling or disabling the video stream.
2188  *
2189  * @return 0 if successful, -1 otherwise.
2190 **/
2191 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, LinphoneCallParams *params){
2192         int err;
2193
2194         if (call->localdesc)
2195                 sal_media_description_unref(call->localdesc);
2196         call->localdesc=create_local_media_description (lc,call,
2197                 params->has_video,FALSE);
2198         call->camera_active=params->has_video;
2199         if (lc->vtable.display_status)
2200                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2201         sal_call_set_local_media_description (call->op,call->localdesc);
2202         err=sal_call_update(call->op);
2203         return err;
2204 }
2205
2206
2207 /**
2208  * Accept an incoming call.
2209  *
2210  * @ingroup call_control
2211  * Basically the application is notified of incoming calls within the
2212  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2213  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2214  * The application can later accept the call using
2215  * this method.
2216  * @param lc the LinphoneCore object
2217  * @param call the LinphoneCall object representing the call to be answered.
2218  *
2219 **/
2220 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
2221 {
2222         LinphoneProxyConfig *cfg=NULL;
2223         const char *contact=NULL;
2224         SalOp *replaced;
2225         SalMediaDescription *new_md;
2226
2227         if (call==NULL){
2228                 //if just one call is present answer the only one ...
2229                 if(linphone_core_get_calls_nb (lc) != 1)
2230                         return -1;
2231                 else
2232                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2233         }
2234
2235         if (call->state==LinphoneCallConnected){
2236                 /*call already accepted*/
2237                 return -1;
2238         }
2239
2240         /* check if this call is supposed to replace an already running one*/
2241         replaced=sal_call_get_replaces(call->op);
2242         if (replaced){
2243                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2244                 if (rc){
2245                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2246                                    call,rc);
2247                         linphone_core_terminate_call (lc,rc);
2248                 }
2249         }
2250
2251         if (lc->current_call!=NULL && lc->current_call!=call){
2252                 ms_warning("Cannot accept this call, there is already one running.");
2253                 return -1;
2254         }
2255
2256         /*can accept a new call only if others are on hold */
2257         {
2258                 MSList *elem;
2259                 for(elem=lc->calls;elem!=NULL;elem=elem->next){
2260                         LinphoneCall *c=(LinphoneCall*)elem->data;
2261                         if (c!=call && (c->state!=LinphoneCallPaused && c->state!=LinphoneCallPausing)){
2262                                 ms_warning("Cannot accept this call as another one is running, pause it before.");
2263                                 return -1;
2264                         }
2265                 }
2266         }
2267
2268         /*stop ringing */
2269         if (lc->ringstream!=NULL) {
2270                 ms_message("stop ringing");
2271                 ring_stop(lc->ringstream);
2272                 ms_message("ring stopped");
2273                 lc->ringstream=NULL;
2274         }
2275
2276         linphone_core_get_default_proxy(lc,&cfg);
2277         /*try to be best-effort in giving real local or routable contact address*/
2278         contact=get_fixed_contact(lc,call,cfg);
2279         if (contact)
2280                 sal_op_set_contact(call->op,contact);
2281
2282         if (call->audiostream==NULL)
2283                 linphone_call_init_media_streams(call);
2284
2285         sal_call_accept(call->op);
2286         if (lc->vtable.display_status!=NULL)
2287                 lc->vtable.display_status(lc,_("Connected."));
2288         lc->current_call=call;
2289         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2290         new_md=sal_call_get_final_media_description(call->op);
2291         linphone_core_update_streams(lc, call, new_md);
2292         if (new_md){
2293                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2294         }else call->media_pending=TRUE;
2295
2296         ms_message("call answered.");
2297         return 0;
2298 }
2299
2300 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2301         sal_call_terminate(call->op);
2302
2303         /*stop ringing*/
2304         if (lc->ringstream!=NULL) {
2305                 ring_stop(lc->ringstream);
2306                 lc->ringstream=NULL;
2307         }
2308         linphone_call_stop_media_streams(call);
2309         if (lc->vtable.display_status!=NULL)
2310                 lc->vtable.display_status(lc,_("Call aborted") );
2311         linphone_call_set_state(call,LinphoneCallError,error);
2312         return 0;
2313 }
2314
2315
2316 /**
2317  * Terminates a call.
2318  *
2319  * @ingroup call_control
2320  * @param lc the LinphoneCore
2321  * @param the_call the LinphoneCall object representing the call to be terminated.
2322 **/
2323 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2324 {
2325         LinphoneCall *call;
2326         if (the_call == NULL){
2327                 call = linphone_core_get_current_call(lc);
2328                 if (ms_list_size(lc->calls)==1){
2329                         call=(LinphoneCall*)lc->calls->data;
2330                 }else{
2331                         ms_warning("No unique call to terminate !");
2332                         return -1;
2333                 }
2334         }
2335         else
2336         {
2337                 call = the_call;
2338         }
2339         sal_call_terminate(call->op);
2340         if (call->state==LinphoneCallIncomingReceived){
2341                 call->reason=LinphoneReasonDeclined;
2342         }
2343         /*stop ringing*/
2344         if (lc->ringstream!=NULL) {
2345                 ring_stop(lc->ringstream);
2346                 lc->ringstream=NULL;
2347         }
2348         linphone_call_stop_media_streams(call);
2349         if (lc->vtable.display_status!=NULL)
2350                 lc->vtable.display_status(lc,_("Call ended") );
2351         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2352         return 0;
2353 }
2354
2355 /**
2356  * Terminates all the calls.
2357  *
2358  * @ingroup call_control
2359  * @param lc The LinphoneCore
2360 **/
2361 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2362         while(lc->calls)
2363         {
2364                 LinphoneCall *the_call = lc->calls->data;
2365                 linphone_core_terminate_call(lc,the_call);
2366         }
2367         ms_list_free(lc->calls);
2368         return -1;
2369 }
2370
2371 /**
2372  * Returns the current list of calls.
2373  *
2374  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2375  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2376  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2377  *
2378  * @ingroup call_control
2379 **/
2380 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2381 {
2382         return lc->calls;
2383 }
2384
2385 /**
2386  * Returns TRUE if there is a call running.
2387  *
2388  * @ingroup call_control
2389 **/
2390 bool_t linphone_core_in_call(const LinphoneCore *lc){
2391         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL;
2392 }
2393
2394 /**
2395  * Returns The _LinphoneCall struct of the current call if one is in call
2396  *
2397  * @ingroup call_control
2398 **/
2399 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2400 {
2401         return lc->current_call;
2402 }
2403
2404 /**
2405  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2406  * this file will be played to the remote user.
2407  *
2408  * @ingroup call_control
2409 **/
2410 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *the_call)
2411 {
2412         LinphoneCall *call = the_call;
2413
2414         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2415                 ms_warning("Cannot pause this call, it is not active.");
2416                 return -1;
2417         }
2418
2419         if (sal_call_hold(call->op,TRUE) != 0)
2420         {
2421                 if (lc->vtable.display_warning)
2422                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2423         }
2424         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2425         if (lc->vtable.display_status)
2426                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2427         lc->current_call=NULL;
2428         if (call->audiostream || call->videostream)
2429                 linphone_call_stop_media_streams (call);
2430         return 0;
2431 }
2432
2433 /**
2434  * Pause all currently running calls.
2435 **/
2436 int linphone_core_pause_all_calls(LinphoneCore *lc){
2437         const MSList *elem;
2438         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2439                 LinphoneCall *call=(LinphoneCall *)elem->data;
2440                 LinphoneCallState cs=linphone_call_get_state(call);
2441                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2442                         linphone_core_pause_call(lc,call);
2443                 }
2444         }
2445         return 0;
2446 }
2447
2448 /**
2449  * Resumes the call.
2450  *
2451  * @ingroup call_control
2452 **/
2453 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2454 {
2455         char temp[255]={0};
2456         LinphoneCall *call = the_call;
2457
2458         if(call->state!=LinphoneCallPaused ){
2459                 ms_warning("we cannot resume a call that has not been established and paused before");
2460                 return -1;
2461         }
2462         if(linphone_core_get_current_call(lc) != NULL){
2463                 ms_warning("There is already a call in process, pause or stop it first.");
2464                 if (lc->vtable.display_warning)
2465                         lc->vtable.display_warning(lc,_("There is already a call in process, pause or stop it first."));
2466                 return -1;
2467         }
2468         ms_message("Resuming call %p",call);
2469         if(sal_call_hold(call->op,FALSE) != 0){
2470                 return -1;
2471         }
2472         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2473         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2474         if (lc->vtable.display_status)
2475                 lc->vtable.display_status(lc,temp);
2476         lc->current_call=call;
2477         return 0;
2478 }
2479
2480 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2481         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2482         return !linphone_address_weak_equal (addr,raddr);
2483 }
2484
2485 /**
2486  * Get the call with the remote_address specified
2487  * @param lc
2488  * @param remote_address
2489  * @return the LinphoneCall of the call if found
2490  */
2491 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2492         LinphoneAddress *raddr=linphone_address_new(remote_address);
2493         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2494         if (elem) return (LinphoneCall*) elem->data;
2495         return NULL;
2496 }
2497
2498 int linphone_core_send_publish(LinphoneCore *lc,
2499                                LinphoneOnlineStatus presence_mode)
2500 {
2501         const MSList *elem;
2502         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2503                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2504                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2505         }
2506         return 0;
2507 }
2508
2509 /**
2510  * Set the incoming call timeout in seconds.
2511  *
2512  * @ingroup call_control
2513  * If an incoming call isn't answered for this timeout period, it is
2514  * automatically declined.
2515 **/
2516 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2517         lc->sip_conf.inc_timeout=seconds;
2518 }
2519
2520 /**
2521  * Returns the incoming call timeout
2522  *
2523  * @ingroup call_control
2524  * See linphone_core_set_inc_timeout() for details.
2525 **/
2526 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2527         return lc->sip_conf.inc_timeout;
2528 }
2529
2530 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2531                                                                                                         const char *contact,
2532                                                                                                         LinphoneOnlineStatus presence_mode)
2533 {
2534         if (minutes_away>0) lc->minutes_away=minutes_away;
2535
2536         if (lc->alt_contact!=NULL) {
2537                 ms_free(lc->alt_contact);
2538                 lc->alt_contact=NULL;
2539         }
2540         if (contact) lc->alt_contact=ms_strdup(contact);
2541         if (lc->presence_mode!=presence_mode){
2542                 linphone_core_notify_all_friends(lc,presence_mode);
2543                 /*
2544                    Improve the use of all LINPHONE_STATUS available.
2545                    !TODO Do not mix "presence status" with "answer status code"..
2546                    Use correct parameter to follow sip_if_match/sip_etag.
2547                  */
2548                 linphone_core_send_publish(lc,presence_mode);
2549         }
2550         lc->presence_mode=presence_mode;
2551 }
2552
2553 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2554         return lc->presence_mode;
2555 }
2556
2557 /**
2558  * Get playback sound level in 0-100 scale.
2559  *
2560  * @ingroup media_parameters
2561 **/
2562 int linphone_core_get_play_level(LinphoneCore *lc)
2563 {
2564         return lc->sound_conf.play_lev;
2565 }
2566
2567 /**
2568  * Get ring sound level in 0-100 scale
2569  *
2570  * @ingroup media_parameters
2571 **/
2572 int linphone_core_get_ring_level(LinphoneCore *lc)
2573 {
2574         return lc->sound_conf.ring_lev;
2575 }
2576
2577 /**
2578  * Get sound capture level in 0-100 scale
2579  *
2580  * @ingroup media_parameters
2581 **/
2582 int linphone_core_get_rec_level(LinphoneCore *lc){
2583         return lc->sound_conf.rec_lev;
2584 }
2585
2586 /**
2587  * Set sound ring level in 0-100 scale
2588  *
2589  * @ingroup media_parameters
2590 **/
2591 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2592         MSSndCard *sndcard;
2593         lc->sound_conf.ring_lev=level;
2594         sndcard=lc->sound_conf.ring_sndcard;
2595         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2596 }
2597
2598 /**
2599  * Allow to control play level before entering sound card:  gain in db
2600  *
2601  * @ingroup media_parameters
2602 **/
2603 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2604         float gain=gaindb;
2605         LinphoneCall *call=linphone_core_get_current_call (lc);
2606         AudioStream *st;
2607
2608         lc->sound_conf.soft_play_lev=gaindb;
2609
2610         if (call==NULL || (st=call->audiostream)==NULL){
2611                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2612                 return;
2613         }
2614         if (st->volrecv){
2615                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2616         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2617 }
2618
2619 /**
2620  * Get playback gain in db before entering  sound card.
2621  *
2622  * @ingroup media_parameters
2623 **/
2624 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2625         return lc->sound_conf.soft_play_lev;
2626 }
2627
2628 /**
2629  * Set sound playback level in 0-100 scale
2630  *
2631  * @ingroup media_parameters
2632 **/
2633 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2634         MSSndCard *sndcard;
2635         lc->sound_conf.play_lev=level;
2636         sndcard=lc->sound_conf.play_sndcard;
2637         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2638 }
2639
2640 /**
2641  * Set sound capture level in 0-100 scale
2642  *
2643  * @ingroup media_parameters
2644 **/
2645 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2646 {
2647         MSSndCard *sndcard;
2648         lc->sound_conf.rec_lev=level;
2649         sndcard=lc->sound_conf.capt_sndcard;
2650         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2651 }
2652
2653 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2654         MSSndCard *sndcard=NULL;
2655         if (devid!=NULL){
2656                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2657                 if (sndcard!=NULL &&
2658                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2659                         ms_warning("%s card does not have the %s capability, ignoring.",
2660                                 devid,
2661                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2662                         sndcard=NULL;
2663                 }
2664         }
2665         if (sndcard==NULL) {
2666                 /* get a card that has read+write capabilities */
2667                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2668                 /* otherwise refine to the first card having the right capability*/
2669                 if (sndcard==NULL){
2670                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2671                         for(;elem!=NULL;elem=elem->next){
2672                                 sndcard=(MSSndCard*)elem->data;
2673                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2674                         }
2675                 }
2676                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2677                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2678                         if (elem) sndcard=(MSSndCard*)elem->data;
2679         }
2680         }
2681         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2682         return sndcard;
2683 }
2684
2685 /**
2686  * Returns true if the specified sound device can capture sound.
2687  *
2688  * @ingroup media_parameters
2689  * @param devid the device name as returned by linphone_core_get_sound_devices()
2690 **/
2691 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2692         MSSndCard *sndcard;
2693         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2694         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2695         return FALSE;
2696 }
2697
2698 /**
2699  * Returns true if the specified sound device can play sound.
2700  *
2701  * @ingroup media_parameters
2702  * @param devid the device name as returned by linphone_core_get_sound_devices()
2703 **/
2704 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2705         MSSndCard *sndcard;
2706         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2707         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2708         return FALSE;
2709 }
2710
2711 /**
2712  * Sets the sound device used for ringing.
2713  *
2714  * @ingroup media_parameters
2715  * @param devid the device name as returned by linphone_core_get_sound_devices()
2716 **/
2717 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2718         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2719         lc->sound_conf.ring_sndcard=card;
2720         if (card && linphone_core_ready(lc))
2721                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2722         return 0;
2723 }
2724
2725 /**
2726  * Sets the sound device used for playback.
2727  *
2728  * @ingroup media_parameters
2729  * @param devid the device name as returned by linphone_core_get_sound_devices()
2730 **/
2731 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2732         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2733         lc->sound_conf.play_sndcard=card;
2734         if (card &&  linphone_core_ready(lc))
2735                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2736         return 0;
2737 }
2738
2739 /**
2740  * Sets the sound device used for capture.
2741  *
2742  * @ingroup media_parameters
2743  * @param devid the device name as returned by linphone_core_get_sound_devices()
2744 **/
2745 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2746         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2747         lc->sound_conf.capt_sndcard=card;
2748         if (card &&  linphone_core_ready(lc))
2749                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2750         return 0;
2751 }
2752
2753 /**
2754  * Returns the name of the currently assigned sound device for ringing.
2755  *
2756  * @ingroup media_parameters
2757 **/
2758 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2759 {
2760         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2761         return NULL;
2762 }
2763
2764 /**
2765  * Returns the name of the currently assigned sound device for playback.
2766  *
2767  * @ingroup media_parameters
2768 **/
2769 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2770 {
2771         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2772 }
2773
2774 /**
2775  * Returns the name of the currently assigned sound device for capture.
2776  *
2777  * @ingroup media_parameters
2778 **/
2779 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2780 {
2781         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2782 }
2783
2784 /**
2785  * Returns an unmodifiable array of available sound devices.
2786  *
2787  * @ingroup media_parameters
2788  * The array is NULL terminated.
2789 **/
2790 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2791         build_sound_devices_table(lc);
2792         return lc->sound_conf.cards;
2793 }
2794
2795 /**
2796  * Returns an unmodifiable array of available video capture devices.
2797  *
2798  * @ingroup media_parameters
2799  * The array is NULL terminated.
2800 **/
2801 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2802         return lc->video_conf.cams;
2803 }
2804
2805 char linphone_core_get_sound_source(LinphoneCore *lc)
2806 {
2807         return lc->sound_conf.source;
2808 }
2809
2810 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2811 {
2812         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2813         lc->sound_conf.source=source;
2814         if (!sndcard) return;
2815         switch(source){
2816                 case 'm':
2817                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2818                         break;
2819                 case 'l':
2820                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2821                         break;
2822         }
2823
2824 }
2825
2826
2827 /**
2828  * Sets the path to a wav file used for ringing.
2829  *
2830  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
2831  *
2832  * @ingroup media_parameters
2833 **/
2834 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
2835         if (lc->sound_conf.local_ring!=0){
2836                 ms_free(lc->sound_conf.local_ring);
2837         }
2838         lc->sound_conf.local_ring=ms_strdup(path);
2839         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
2840                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
2841 }
2842
2843 /**
2844  * Returns the path to the wav file used for ringing.
2845  *
2846  * @ingroup media_parameters
2847 **/
2848 const char *linphone_core_get_ring(const LinphoneCore *lc){
2849         return lc->sound_conf.local_ring;
2850 }
2851
2852 static void notify_end_of_ring(void *ud ,unsigned int event, void * arg){
2853         LinphoneCore *lc=(LinphoneCore*)ud;
2854         lc->preview_finished=1;
2855 }
2856
2857 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
2858 {
2859         if (lc->ringstream!=0){
2860                 ms_warning("Cannot start ring now,there's already a ring being played");
2861                 return -1;
2862         }
2863         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
2864         lc->preview_finished=0;
2865         if (lc->sound_conf.ring_sndcard!=NULL){
2866                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2867                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
2868         }
2869         return 0;
2870 }
2871
2872 /**
2873  * Sets the path to a wav file used for ringing back.
2874  *
2875  * Ringback means the ring that is heard when it's ringing at the remote party.
2876  * The file must be a wav 16bit linear.
2877  *
2878  * @ingroup media_parameters
2879 **/
2880 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
2881         if (lc->sound_conf.remote_ring!=0){
2882                 ms_free(lc->sound_conf.remote_ring);
2883         }
2884         lc->sound_conf.remote_ring=ms_strdup(path);
2885 }
2886
2887 /**
2888  * Returns the path to the wav file used for ringing back.
2889  *
2890  * @ingroup media_parameters
2891 **/
2892 const char * linphone_core_get_ringback(const LinphoneCore *lc){
2893         return lc->sound_conf.remote_ring;
2894 }
2895
2896 /**
2897  * Enables or disable echo cancellation.
2898  *
2899  * @ingroup media_parameters
2900 **/
2901 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
2902         lc->sound_conf.ec=val;
2903         if ( linphone_core_ready(lc))
2904                 lp_config_set_int(lc->config,"sound","echocancellation",val);
2905 }
2906
2907 /**
2908  * Returns TRUE if echo cancellation is enabled.
2909  *
2910  * @ingroup media_parameters
2911 **/
2912 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
2913         return lc->sound_conf.ec;
2914 }
2915
2916 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
2917         lc->sound_conf.ea=val;
2918 }
2919
2920 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
2921         return lc->sound_conf.ea;
2922 }
2923
2924 /**
2925  * Mutes or unmutes the local microphone.
2926  *
2927  * @ingroup media_parameters
2928 **/
2929 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
2930         LinphoneCall *call=linphone_core_get_current_call(lc);
2931         if (call==NULL){
2932                 ms_warning("linphone_core_mute_mic(): No current call !");
2933                 return;
2934         }
2935         if (call->audiostream!=NULL){
2936                 audio_stream_set_mic_gain(call->audiostream,
2937                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
2938                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
2939                         audio_stream_mute_rtp(call->audiostream,val);
2940                 }
2941                 call->audio_muted=val;
2942         }
2943 }
2944
2945 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
2946         LinphoneCall *call=linphone_core_get_current_call(lc);
2947         if (call==NULL){
2948                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2949                 return FALSE;
2950         }
2951         return call->audio_muted;
2952 }
2953
2954 // returns rtp transmission status for an active stream
2955 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
2956 // was set on then rtp transmission is also muted
2957 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
2958         LinphoneCall *call=linphone_core_get_current_call(lc);
2959         if (call==NULL){
2960                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2961                 return FALSE;
2962         }
2963         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
2964                 return call->audio_muted;
2965         }
2966         return FALSE;
2967 }
2968
2969 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
2970         lc->sound_conf.agc=val;
2971 }
2972
2973 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
2974         return lc->sound_conf.agc;
2975 }
2976
2977 /**
2978  * Send the specified dtmf.
2979  *
2980  * @ingroup media_parameters
2981  * This function only works during calls. The dtmf is automatically played to the user.
2982  * @param lc The LinphoneCore object
2983  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
2984  *
2985 **/
2986 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
2987 {
2988         LinphoneCall *call=linphone_core_get_current_call(lc);
2989         if (call==NULL){
2990                 ms_warning("linphone_core_send_dtmf(): no active call");
2991                 return;
2992         }
2993         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
2994         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
2995         {
2996                 /* In Band DTMF */
2997                 if (call->audiostream!=NULL){
2998                         audio_stream_send_dtmf(call->audiostream,dtmf);
2999                 }
3000                 else
3001                 {
3002                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3003                 }
3004         }
3005         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3006                 /* Out of Band DTMF (use INFO method) */
3007                 sal_call_send_dtmf(call->op,dtmf);
3008         }
3009 }
3010
3011 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3012         if (lc->net_conf.stun_server!=NULL)
3013                 ms_free(lc->net_conf.stun_server);
3014         if (server)
3015                 lc->net_conf.stun_server=ms_strdup(server);
3016         else lc->net_conf.stun_server=NULL;
3017 }
3018
3019 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3020         return lc->net_conf.stun_server;
3021 }
3022
3023 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3024         return lc->net_conf.relay;
3025 }
3026
3027 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3028         if (lc->net_conf.relay!=NULL){
3029                 ms_free(lc->net_conf.relay);
3030                 lc->net_conf.relay=NULL;
3031         }
3032         if (addr){
3033                 lc->net_conf.relay=ms_strdup(addr);
3034         }
3035         return 0;
3036 }
3037
3038 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3039 {
3040         if (lc->net_conf.nat_address!=NULL){
3041                 ms_free(lc->net_conf.nat_address);
3042         }
3043         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3044         else lc->net_conf.nat_address=NULL;
3045         if (lc->sip_conf.contact) update_primary_contact(lc);
3046 }
3047
3048 const char *linphone_core_get_nat_address(const LinphoneCore *lc)
3049 {
3050         return lc->net_conf.nat_address;
3051 }
3052
3053 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3054         lc->net_conf.firewall_policy=pol;
3055         if (lc->sip_conf.contact) update_primary_contact(lc);
3056 }
3057
3058 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3059         return lc->net_conf.firewall_policy;
3060 }
3061
3062 /**
3063  * Get the list of call logs (past calls).
3064  *
3065  * @ingroup call_logs
3066 **/
3067 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3068         lc->missed_calls=0;
3069         return lc->call_logs;
3070 }
3071
3072 /**
3073  * Erase the call log.
3074  *
3075  * @ingroup call_logs
3076 **/
3077 void linphone_core_clear_call_logs(LinphoneCore *lc){
3078         lc->missed_calls=0;
3079         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3080         lc->call_logs=ms_list_free(lc->call_logs);
3081         call_logs_write_to_config_file(lc);
3082 }
3083
3084 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3085 #ifdef VIDEO_ENABLED
3086         if (val){
3087                 if (lc->previewstream==NULL){
3088                         lc->previewstream=video_preview_new();
3089                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3090                         if (lc->video_conf.displaytype)
3091                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3092                         if (lc->preview_window_id!=0)
3093                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3094                         video_preview_start(lc->previewstream,lc->video_conf.device);
3095                 }
3096         }else{
3097                 if (lc->previewstream!=NULL){
3098                         video_preview_stop(lc->previewstream);
3099                         lc->previewstream=NULL;
3100                 }
3101         }
3102 #endif
3103 }
3104
3105 /**
3106  * Enables video globally.
3107  *
3108  * @ingroup media_parameters
3109  * This function does not have any effect during calls. It just indicates LinphoneCore to
3110  * initiate future calls with video or not. The two boolean parameters indicate in which
3111  * direction video is enabled. Setting both to false disables video entirely.
3112  *
3113  * @param vcap_enabled indicates whether video capture is enabled
3114  * @param display_enabled indicates whether video display should be shown
3115  *
3116 **/
3117 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3118 #ifndef VIDEO_ENABLED
3119         if (vcap_enabled || display_enabled)
3120                 ms_warning("This version of linphone was built without video support.");
3121 #endif
3122         lc->video_conf.capture=vcap_enabled;
3123         lc->video_conf.display=display_enabled;
3124
3125         /* need to re-apply network bandwidth settings*/
3126         linphone_core_set_download_bandwidth(lc,
3127                 linphone_core_get_download_bandwidth(lc));
3128         linphone_core_set_upload_bandwidth(lc,
3129                 linphone_core_get_upload_bandwidth(lc));
3130 }
3131
3132 /**
3133  * Returns TRUE if video is enabled, FALSE otherwise.
3134  * @ingroup media_parameters
3135 **/
3136 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3137         return (lc->video_conf.display || lc->video_conf.capture);
3138 }
3139
3140 /**
3141  * Controls video preview enablement.
3142  *
3143  * @ingroup media_parameters
3144  * Video preview refers to the action of displaying the local webcam image
3145  * to the user while not in call.
3146 **/
3147 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3148         lc->video_conf.show_local=val;
3149 }
3150
3151 /**
3152  * Returns TRUE if video previewing is enabled.
3153  * @ingroup media_parameters
3154 **/
3155 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3156         return lc->video_conf.show_local;
3157 }
3158
3159 /**
3160  * Enables or disable self view during calls.
3161  *
3162  * @ingroup media_parameters
3163  * Self-view refers to having local webcam image inserted in corner
3164  * of the video window during calls.
3165  * This function works at any time, including during calls.
3166 **/
3167 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3168 #ifdef VIDEO_ENABLED
3169         LinphoneCall *call=linphone_core_get_current_call (lc);
3170         lc->video_conf.selfview=val;
3171         if (call && call->videostream){
3172                 video_stream_enable_self_view(call->videostream,val);
3173         }
3174 #endif
3175 }
3176
3177 /**
3178  * Returns TRUE if self-view is enabled, FALSE otherwise.
3179  *
3180  * @ingroup media_parameters
3181  *
3182  * Refer to linphone_core_enable_self_view() for details.
3183 **/
3184 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3185         return lc->video_conf.selfview;
3186 }
3187
3188 /**
3189  * Sets the active video device.
3190  *
3191  * @ingroup media_parameters
3192  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3193 **/
3194 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3195         MSWebCam *olddev=lc->video_conf.device;
3196         const char *vd;
3197         if (id!=NULL){
3198                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3199                 if (lc->video_conf.device==NULL){
3200                         ms_warning("Could not found video device %s",id);
3201                 }
3202         }
3203         if (lc->video_conf.device==NULL)
3204                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3205         if (olddev!=NULL && olddev!=lc->video_conf.device){
3206                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3207         }
3208         if ( linphone_core_ready(lc) && lc->video_conf.device){
3209                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3210                 if (vd && strstr(vd,"Static picture")!=NULL){
3211                         vd=NULL;
3212                 }
3213                 lp_config_set_string(lc->config,"video","device",vd);
3214         }
3215         return 0;
3216 }
3217
3218 /**
3219  * Returns the name of the currently active video device.
3220  *
3221  * @ingroup media_parameters
3222 **/
3223 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3224         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3225         return NULL;
3226 }
3227
3228 #ifdef VIDEO_ENABLED
3229 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3230         VideoStream *vs = NULL;
3231         LinphoneCall *call=linphone_core_get_current_call (lc);
3232         /* Select the video stream from the call in the first place */
3233         if (call && call->videostream) {
3234                 vs = call->videostream;
3235         }
3236         /* If not in call, select the video stream from the preview */
3237         if (vs == NULL && lc->previewstream) {
3238                 vs = lc->previewstream;
3239         }
3240         return vs;
3241 }
3242 #endif
3243
3244 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3245 #ifdef VIDEO_ENABLED
3246         VideoStream *vs=get_active_video_stream(lc);
3247         /* If we have a video stream (either preview, either from call), we
3248                  have a source and it is using the static picture filter, then
3249                  force the filter to use that picture. */
3250         if (vs && vs->source) {
3251                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3252                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3253                                                                                                                 (void *)path);
3254                 }
3255         }
3256         /* Tell the static image filter to use that image from now on so
3257                  that the image will be used next time it has to be read */
3258         ms_static_image_set_default_image(path);
3259 #else
3260         ms_warning("Video support not compiled.");
3261 #endif
3262         return 0;
3263 }
3264
3265 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3266 #ifdef VIDEO_ENABLED
3267         VideoStream *vs = NULL;
3268
3269         vs=get_active_video_stream(lc);
3270
3271         /* If we have a video stream (either preview, either from call), we
3272                  have a source and it is using the static picture filter, then
3273                  force the filter to use that picture. */
3274         if (vs && vs->source) {
3275                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3276                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3277                 }
3278         }
3279 #else
3280         ms_warning("Video support not compiled.");
3281 #endif
3282         return 0;
3283 }
3284
3285 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3286 #ifdef VIDEO_ENABLED
3287         VideoStream *vs = NULL;
3288         vs=get_active_video_stream(lc);
3289         /* If we have a video stream (either preview, either from call), we
3290                  have a source and it is using the static picture filter, then
3291                  force the filter to use that picture. */
3292         if (vs && vs->source) {
3293                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3294
3295                         float fps;
3296
3297                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3298                         return fps;
3299                 }
3300         }
3301 #else
3302         ms_warning("Video support not compiled.");
3303 #endif
3304         return 0;
3305 }
3306
3307 /**
3308  * Returns the native window handle of the video window, casted as an unsigned long.
3309  *
3310  * @ingroup media_parameters
3311 **/
3312 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3313 #ifdef VIDEO_ENABLED
3314         LinphoneCall *call=linphone_core_get_current_call (lc);
3315         if (call && call->videostream)
3316                 return video_stream_get_native_window_id(call->videostream);
3317         if (lc->previewstream)
3318                 return video_stream_get_native_window_id(lc->previewstream);
3319 #endif
3320         return lc->video_window_id;
3321 }
3322
3323 /**
3324  * Set the native video window id where the video is to be displayed.
3325  * If not set the core will create its own window.
3326 **/
3327 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3328 #ifdef VIDEO_ENABLED
3329         LinphoneCall *call=linphone_core_get_current_call(lc);
3330         lc->video_window_id=id;
3331         if (call!=NULL && call->videostream){
3332                 video_stream_set_native_window_id(call->videostream,id);
3333         }
3334 #endif
3335 }
3336
3337 /**
3338  * Returns the native window handle of the video preview window, casted as an unsigned long.
3339  *
3340  * @ingroup media_parameters
3341 **/
3342 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3343 #ifdef VIDEO_ENABLED
3344         LinphoneCall *call=linphone_core_get_current_call (lc);
3345         if (call && call->videostream)
3346                 return video_stream_get_native_preview_window_id(call->videostream);
3347         if (lc->previewstream)
3348                 return video_preview_get_native_window_id(lc->previewstream);
3349 #endif
3350         return lc->preview_window_id;
3351 }
3352
3353 /**
3354  * Set the native window id where the preview video (local camera) is to be displayed.
3355  * This has to be used in conjonction with linphone_core_use_preview_window().
3356  * If not set the core will create its own window.
3357 **/
3358 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3359         lc->preview_window_id=id;
3360 }
3361
3362 /**
3363  * Tells the core to use a separate window for local camera preview video, instead of
3364  * inserting local view within the remote video window.
3365  *
3366 **/
3367 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3368         lc->use_preview_window=yesno;
3369 }
3370
3371 static MSVideoSizeDef supported_resolutions[]={
3372         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3373         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3374         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3375         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3376         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3377         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3378         {       {0,0}                   ,       NULL    }
3379 };
3380
3381 /**
3382  * Returns the zero terminated table of supported video resolutions.
3383  *
3384  * @ingroup media_parameters
3385 **/
3386 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3387         return supported_resolutions;
3388 }
3389
3390 static MSVideoSize video_size_get_by_name(const char *name){
3391         MSVideoSizeDef *pdef=supported_resolutions;
3392         MSVideoSize null_vsize={0,0};
3393         for(;pdef->name!=NULL;pdef++){
3394                 if (strcasecmp(name,pdef->name)==0){
3395                         return pdef->vsize;
3396                 }
3397         }
3398         ms_warning("Video resolution %s is not supported in linphone.",name);
3399         return null_vsize;
3400 }
3401
3402 static const char *video_size_get_name(MSVideoSize vsize){
3403         MSVideoSizeDef *pdef=supported_resolutions;
3404         for(;pdef->name!=NULL;pdef++){
3405                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3406                         return pdef->name;
3407                 }
3408         }
3409         return NULL;
3410 }
3411
3412 static bool_t video_size_supported(MSVideoSize vsize){
3413         if (video_size_get_name(vsize)) return TRUE;
3414         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3415         return FALSE;
3416 }
3417
3418 /**
3419  * Sets the preferred video size.
3420  *
3421  * @ingroup media_parameters
3422  * This applies only to the stream that is captured and sent to the remote party,
3423  * since we accept all standard video size on the receive path.
3424 **/
3425 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3426         if (video_size_supported(vsize)){
3427                 MSVideoSize oldvsize=lc->video_conf.vsize;
3428                 lc->video_conf.vsize=vsize;
3429                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3430                         toggle_video_preview(lc,FALSE);
3431                         toggle_video_preview(lc,TRUE);
3432                 }
3433                 if ( linphone_core_ready(lc))
3434                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3435         }
3436 }
3437
3438 /**
3439  * Sets the preferred video size by its name.
3440  *
3441  * @ingroup media_parameters
3442  * This is identical to linphone_core_set_preferred_video_size() except
3443  * that it takes the name of the video resolution as input.
3444  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3445 **/
3446 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3447         MSVideoSize vsize=video_size_get_by_name(name);
3448         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3449         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3450         else linphone_core_set_preferred_video_size(lc,default_vsize);
3451 }
3452
3453 /**
3454  * Returns the current preferred video size for sending.
3455  *
3456  * @ingroup media_parameters
3457 **/
3458 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3459         return lc->video_conf.vsize;
3460 }
3461
3462 /**
3463  * Ask the core to stream audio from and to files, instead of using the soundcard.
3464 **/
3465 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3466         lc->use_files=yesno;
3467 }
3468
3469 /**
3470  * Sets a wav file to be played when putting somebody on hold,
3471  * or when files are used instead of soundcards (see linphone_core_use_files()).
3472  *
3473  * The file must be a 16 bit linear wav file.
3474 **/
3475 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3476         LinphoneCall *call=linphone_core_get_current_call(lc);
3477         if (lc->play_file!=NULL){
3478                 ms_free(lc->play_file);
3479                 lc->play_file=NULL;
3480         }
3481         if (file!=NULL) {
3482                 lc->play_file=ms_strdup(file);
3483                 if (call && call->audiostream && call->audiostream->ticker)
3484                         audio_stream_play(call->audiostream,file);
3485         }
3486 }
3487
3488
3489 /**
3490  * Sets a wav file where incoming stream is to be recorded,
3491  * when files are used instead of soundcards (see linphone_core_use_files()).
3492  *
3493  * The file must be a 16 bit linear wav file.
3494 **/
3495 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3496         LinphoneCall *call=linphone_core_get_current_call(lc);
3497         if (lc->rec_file!=NULL){
3498                 ms_free(lc->rec_file);
3499                 lc->rec_file=NULL;
3500         }
3501         if (file!=NULL) {
3502                 lc->rec_file=ms_strdup(file);
3503                 if (call && call->audiostream)
3504                         audio_stream_record(call->audiostream,file);
3505         }
3506 }
3507
3508
3509 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3510         LinphoneCall *call=linphone_core_get_current_call (lc);
3511         if (call){
3512                 AudioStream *stream=call->audiostream;
3513                 if (stream){
3514                         return stream->dtmfgen;
3515                 }
3516         }
3517         if (lc->ringstream==NULL){
3518                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3519                 lc->ringstream=ring_start(NULL,0,ringcard);
3520                 lc->dmfs_playing_start_time=time(NULL);
3521         }else{
3522                 if (lc->dmfs_playing_start_time!=0)
3523                         lc->dmfs_playing_start_time=time(NULL);
3524         }
3525         return lc->ringstream->gendtmf;
3526 }
3527
3528 /**
3529  * Plays a dtmf to the local user.
3530 **/
3531 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
3532         MSFilter *f=get_dtmf_gen(lc);
3533         if (f==NULL){
3534                 ms_error("No dtmf generator at this time !");
3535                 return;
3536         }
3537         if (duration_ms>0)
3538                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
3539         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
3540 }
3541
3542 /**
3543  * Stops playing a dtmf started by linphone_core_play_dtmf().
3544 **/
3545 void linphone_core_stop_dtmf(LinphoneCore *lc){
3546         MSFilter *f=get_dtmf_gen(lc);
3547         if (f!=NULL)
3548                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
3549 }
3550
3551
3552
3553 /**
3554  * Retrieves the user pointer that was given to linphone_core_new()
3555  *
3556  * @ingroup initializing
3557 **/
3558 void *linphone_core_get_user_data(LinphoneCore *lc){
3559         return lc->data;
3560 }
3561
3562 int linphone_core_get_mtu(const LinphoneCore *lc){
3563         return lc->net_conf.mtu;
3564 }
3565
3566 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3567         lc->net_conf.mtu=mtu;
3568         if (mtu>0){
3569                 if (mtu<500){
3570                         ms_error("MTU too small !");
3571                         mtu=500;
3572                 }
3573                 ms_set_mtu(mtu);
3574                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3575         }else ms_set_mtu(0);//use mediastreamer2 default value
3576 }
3577
3578 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3579         lc->wait_cb=cb;
3580         lc->wait_ctx=user_context;
3581 }
3582
3583 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3584         if (lc->wait_cb){
3585                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3586         }
3587 }
3588
3589 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3590         if (lc->wait_cb){
3591                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3592         }else{
3593 #ifdef WIN32
3594                 Sleep(50000);
3595 #else
3596                 usleep(50000);
3597 #endif
3598         }
3599 }
3600
3601 void linphone_core_stop_waiting(LinphoneCore *lc){
3602         if (lc->wait_cb){
3603                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3604         }
3605 }
3606
3607 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp){
3608         lc->a_rtp=rtp;
3609         lc->a_rtcp=rtcp;
3610 }
3611
3612 /**
3613  * Retrieve RTP statistics regarding current call.
3614  * @param local RTP statistics computed locally.
3615  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
3616  *
3617  * @note Remote RTP statistics is not implemented yet.
3618  *
3619  * @returns 0 or -1 if no call is running.
3620 **/
3621
3622 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
3623         LinphoneCall *call=linphone_core_get_current_call (lc);
3624         if (call!=NULL){
3625                 if (call->audiostream!=NULL){
3626                         memset(remote,0,sizeof(*remote));
3627                         audio_stream_get_local_rtp_stats (call->audiostream,local);
3628                         return 0;
3629                 }
3630         }
3631         return -1;
3632 }
3633
3634 void net_config_uninit(LinphoneCore *lc)
3635 {
3636         net_config_t *config=&lc->net_conf;
3637         lp_config_set_int(lc->config,"net","download_bw",config->download_bw);
3638         lp_config_set_int(lc->config,"net","upload_bw",config->upload_bw);
3639
3640         if (config->stun_server!=NULL){
3641                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3642                 ms_free(lc->net_conf.stun_server);
3643         }
3644         if (config->nat_address!=NULL){
3645                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3646                 ms_free(lc->net_conf.nat_address);
3647         }
3648         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3649         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3650 }
3651
3652
3653 void sip_config_uninit(LinphoneCore *lc)
3654 {
3655         MSList *elem;
3656         int i;
3657         sip_config_t *config=&lc->sip_conf;
3658         lp_config_set_int(lc->config,"sip","sip_port",config->transports.udp_port);
3659         lp_config_set_int(lc->config,"sip","sip_tcp_port",config->transports.tcp_port);
3660         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3661         lp_config_set_string(lc->config,"sip","contact",config->contact);
3662         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3663         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3664         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3665         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3666         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3667
3668
3669         lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
3670
3671         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3672                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3673                 linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
3674                 linphone_proxy_config_edit(cfg);        /* to unregister */
3675         }
3676
3677         if (lc->sal){
3678             int i;
3679                 for (i=0;i<20;i++){
3680                         sal_iterate(lc->sal);
3681 #ifndef WIN32
3682                         usleep(100000);
3683 #else
3684                         Sleep(100);
3685 #endif
3686                 }
3687         }
3688
3689         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3690         ms_list_free(config->proxies);
3691         config->proxies=NULL;
3692
3693         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
3694
3695         for(elem=lc->auth_info,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3696                 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)(elem->data);
3697                 linphone_auth_info_write_config(lc->config,ai,i);
3698         }
3699         linphone_auth_info_write_config(lc->config,NULL,i); /* mark the end */
3700         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
3701         ms_list_free(lc->auth_info);
3702         lc->auth_info=NULL;
3703
3704         sal_uninit(lc->sal);
3705         lc->sal=NULL;
3706
3707         if (lc->sip_conf.guessed_contact)
3708                 ms_free(lc->sip_conf.guessed_contact);
3709         if (config->contact)
3710                 ms_free(config->contact);
3711
3712 }
3713
3714 void rtp_config_uninit(LinphoneCore *lc)
3715 {
3716         rtp_config_t *config=&lc->rtp_conf;
3717         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
3718         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
3719         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
3720         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
3721         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
3722 }
3723
3724 void sound_config_uninit(LinphoneCore *lc)
3725 {
3726         sound_config_t *config=&lc->sound_conf;
3727         ms_free(config->cards);
3728
3729         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
3730
3731         if (config->local_ring) ms_free(config->local_ring);
3732         if (config->remote_ring) ms_free(config->remote_ring);
3733         ms_snd_card_manager_destroy();
3734 }
3735
3736 void video_config_uninit(LinphoneCore *lc)
3737 {
3738         lp_config_set_int(lc->config,"video","enabled",linphone_core_video_enabled(lc));
3739         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
3740         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3741         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3742         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
3743         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
3744         if (lc->video_conf.cams)
3745                 ms_free(lc->video_conf.cams);
3746 }
3747
3748 void codecs_config_uninit(LinphoneCore *lc)
3749 {
3750         PayloadType *pt;
3751         codecs_config_t *config=&lc->codecs_conf;
3752         MSList *node;
3753         char key[50];
3754         int index;
3755         index=0;
3756         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
3757                 pt=(PayloadType*)(node->data);
3758                 sprintf(key,"audio_codec_%i",index);
3759                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3760                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3761                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3762                 index++;
3763         }
3764         sprintf(key,"audio_codec_%i",index);
3765         lp_config_clean_section (lc->config,key);
3766
3767         index=0;
3768         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
3769                 pt=(PayloadType*)(node->data);
3770                 sprintf(key,"video_codec_%i",index);
3771                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3772                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3773                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3774                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
3775                 index++;
3776         }
3777         sprintf(key,"video_codec_%i",index);
3778         lp_config_clean_section (lc->config,key);
3779
3780         ms_list_free(lc->codecs_conf.audio_codecs);
3781         ms_list_free(lc->codecs_conf.video_codecs);
3782 }
3783
3784 void ui_config_uninit(LinphoneCore* lc)
3785 {
3786         if (lc->friends){
3787                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
3788                 ms_list_free(lc->friends);
3789                 lc->friends=NULL;
3790         }
3791 }
3792
3793 /**
3794  * Returns the LpConfig object used to manage the storage (config) file.
3795  *
3796  * @ingroup misc
3797  * The application can use the LpConfig object to insert its own private
3798  * sections and pairs of key=value in the configuration file.
3799  *
3800 **/
3801 LpConfig *linphone_core_get_config(LinphoneCore *lc){
3802         return lc->config;
3803 }
3804
3805 static void linphone_core_uninit(LinphoneCore *lc)
3806 {
3807         while(lc->calls)
3808         {
3809                 LinphoneCall *the_call = lc->calls->data;
3810                 linphone_core_terminate_call(lc,the_call);
3811                 linphone_core_iterate(lc);
3812 #ifdef WIN32
3813                 Sleep(50000);
3814 #else
3815                 usleep(50000);
3816 #endif
3817         }
3818
3819         if (lc->friends)
3820                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
3821         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
3822 #ifdef VIDEO_ENABLED
3823         if (lc->previewstream!=NULL){
3824                 video_preview_stop(lc->previewstream);
3825                 lc->previewstream=NULL;
3826         }
3827 #endif
3828         ms_event_queue_destroy(lc->msevq);
3829         /* save all config */
3830         net_config_uninit(lc);
3831         sip_config_uninit(lc);
3832         rtp_config_uninit(lc);
3833         sound_config_uninit(lc);
3834         video_config_uninit(lc);
3835         codecs_config_uninit(lc);
3836         ui_config_uninit(lc);
3837         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
3838         lp_config_destroy(lc->config);
3839         lc->config = NULL; /* Mark the config as NULL to block further calls */
3840         sip_setup_unregister_all();
3841
3842         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3843         lc->call_logs=ms_list_free(lc->call_logs);
3844
3845         linphone_core_free_payload_types();
3846
3847         ortp_exit();
3848         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
3849 }
3850
3851 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
3852         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
3853         // second get the list of available proxies
3854         const MSList *elem=linphone_core_get_proxy_config_list(lc);
3855         for(;elem!=NULL;elem=elem->next){
3856                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3857                 if (linphone_proxy_config_register_enabled(cfg) ) {
3858                         if (!isReachable) {
3859                                 cfg->registered=0;
3860                         }else{
3861                                 cfg->commit=TRUE;
3862                         }
3863                 }
3864         }
3865         lc->netup_time=curtime;
3866         lc->network_reachable=isReachable;
3867 }
3868
3869 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
3870         //first disable automatic mode
3871         if (lc->auto_net_state_mon) {
3872                 ms_message("Disabling automatic network state monitoring");
3873                 lc->auto_net_state_mon=FALSE;
3874         }
3875         set_network_reachable(lc,isReachable, ms_time(NULL));
3876 }
3877
3878 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
3879         return lc->network_reachable;
3880 }
3881 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
3882         return sal_get_socket(lc->sal);
3883 }
3884 /**
3885  * Destroys a LinphoneCore
3886  *
3887  * @ingroup initializing
3888 **/
3889 void linphone_core_destroy(LinphoneCore *lc){
3890         linphone_core_uninit(lc);
3891         ms_free(lc);
3892 }
3893 /**
3894  * Get the number of Call
3895  *
3896  * @ingroup call_control
3897 **/
3898 int linphone_core_get_calls_nb(const LinphoneCore *lc){
3899         return  ms_list_size(lc->calls);;
3900 }
3901
3902 /**
3903  * Check if we do not have exceed the number of simultaneous call
3904  *
3905  * @ingroup call_control
3906 **/
3907 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
3908 {
3909         if(linphone_core_get_calls_nb(lc) < NB_MAX_CALLS)
3910                 return TRUE;
3911         ms_error("Maximum amount of simultaneous calls reached !");
3912         return FALSE;
3913 }
3914
3915
3916 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
3917 {
3918         if(linphone_core_can_we_add_call(lc))
3919         {
3920                 lc->calls = ms_list_append(lc->calls,call);
3921                 return 0;
3922         }
3923         return -1;
3924 }
3925
3926 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
3927 {
3928         MSList *it;
3929         MSList *the_calls = lc->calls;
3930
3931         it=ms_list_find(the_calls,call);
3932         if (it)
3933         {
3934                 the_calls = ms_list_remove_link(the_calls,it);
3935         }
3936         else
3937         {
3938                 ms_warning("could not find the call into the list\n");
3939                 return -1;
3940         }
3941         lc->calls = the_calls;
3942         return 0;
3943 }
3944
3945 /**
3946  * Specifiies a ring back tone to be played to far end during incoming calls.
3947 **/
3948 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
3949         if (lc->sound_conf.ringback_tone){
3950                 ms_free(lc->sound_conf.ringback_tone);
3951                 lc->sound_conf.ringback_tone=NULL;
3952         }
3953         if (file)
3954                 lc->sound_conf.ringback_tone=ms_strdup(file);
3955 }
3956
3957 /**
3958  * Returns the ring back tone played to far end during incoming calls.
3959 **/
3960 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
3961         return lc->sound_conf.ringback_tone;
3962 }
3963
3964 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
3965         const MSList *elem;
3966         for(elem=from;elem!=NULL;elem=elem->next){
3967                 PayloadType *pt=(PayloadType*)elem->data;
3968                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && rate==pt->clock_rate) {
3969                         return pt;
3970                 }
3971         }
3972         return NULL;
3973 }
3974
3975 /**
3976  * Get payload type  from mime type and clock rate
3977  * @ingroup media_parameters
3978  * This function searches in audio and video codecs for the given payload type name and clockrate.
3979  * Returns NULL if not found.
3980  */
3981 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
3982         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
3983         if (result)  {
3984                 return result;
3985         } else {
3986                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
3987                 if (result) {
3988                         return result;
3989                 }
3990         }
3991         /*not found*/
3992         return NULL;
3993 }
3994
3995 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
3996         switch(gs){
3997                 case LinphoneGlobalOff:
3998                         return "LinphoneGlobalOff";
3999                 break;
4000                 case LinphoneGlobalOn:
4001                         return "LinphoneGlobalOn";
4002                 break;
4003                 case LinphoneGlobalStartup:
4004                         return "LinphoneGlobalStartup";
4005                 break;
4006                 case LinphoneGlobalShutdown:
4007                         return "LinphoneGlobalShutdown";
4008                 break;
4009         }
4010         return NULL;
4011 }
4012
4013 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4014         return lc->state;
4015 }
4016
4017 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4018         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4019         p->has_video=linphone_core_video_enabled(lc);
4020         return p;
4021 }
4022
4023 const char *linphone_error_to_string(LinphoneReason err){
4024         switch(err){
4025                 case LinphoneReasonNone:
4026                         return "No error";
4027                 case LinphoneReasonNoResponse:
4028                         return "No response";
4029                 case LinphoneReasonBadCredentials:
4030                         return "Bad credentials";
4031                 case LinphoneReasonDeclined:
4032                         return "Call declined";
4033         }
4034         return "unknown error";
4035 }
4036