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 #include "mediastreamer2/mediastream.h"
  25 #include "mediastreamer2/msvolume.h"
  26 #include "mediastreamer2/msequalizer.h"
  27 #include "mediastreamer2/mseventqueue.h"
  28
  29 #include <ortp/telephonyevents.h>
  30
  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);
  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 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  56 {
  57   obj->_func=func;
  58   obj->_user_data=ud;
  59 }
  60
  61 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  62         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  63         return 0;
  64 }
  65
  66
  67 /*prevent a gcc bug with %c*/
  68 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  69 #if !defined(_WIN32_WCE)
  70         return strftime(s, max, fmt, tm);
  71 #else
  72         return 0;
  73         /*FIXME*/
  74 #endif /*_WIN32_WCE*/
  75 }
  76
  77 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  78         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  79 }
  80
  81 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  82         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  83         struct tm loctime;
  84         cl->dir=call->dir;
  85 #ifdef WIN32
  86 #if !defined(_WIN32_WCE)
  87         loctime=*localtime(&call->start_time);
  88         /*FIXME*/
  89 #endif /*_WIN32_WCE*/
  90 #else
  91         localtime_r(&call->start_time,&loctime);
  92 #endif
  93         set_call_log_date(cl,&loctime);
  94         cl->from=from;
  95         cl->to=to;
  96         return cl;
  97 }
  98
  99 static void call_logs_write_to_config_file(LinphoneCore *lc){
 100         MSList *elem;
 101         char logsection[32];
 102         int i;
 103         char *tmp;
 104         LpConfig *cfg=lc->config;
 105
 106         if (!lc->ready) return;
 107
 108         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 109                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 110                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 111                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 112                 lp_config_set_int(cfg,logsection,"status",cl->status);
 113                 tmp=linphone_address_as_string(cl->from);
 114                 lp_config_set_string(cfg,logsection,"from",tmp);
 115                 ms_free(tmp);
 116                 tmp=linphone_address_as_string(cl->to);
 117                 lp_config_set_string(cfg,logsection,"to",tmp);
 118                 ms_free(tmp);
 119                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 120                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 121                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 122         }
 123         for(;i<lc->max_call_logs;++i){
 124                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 125                 lp_config_clean_section(cfg,logsection);
 126         }
 127 }
 128
 129 static void call_logs_read_from_config_file(LinphoneCore *lc){
 130         char logsection[32];
 131         int i;
 132         const char *tmp;
 133         LpConfig *cfg=lc->config;
 134         for(i=0;;++i){
 135                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 136                 if (lp_config_has_section(cfg,logsection)){
 137                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 138                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 139                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 140                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 141                         if (tmp) cl->from=linphone_address_new(tmp);
 142                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 143                         if (tmp) cl->to=linphone_address_new(tmp);
 144                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 145                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 146                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 147                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 148                         if (tmp) cl->refkey=ms_strdup(tmp);
 149                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 150                 }else break;
 151         }
 152 }
 153
 154
 155 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call, LinphoneCallStatus status){
 156         LinphoneCore *lc=call->core;
 157
 158         calllog->duration=time(NULL)-call->start_time;
 159
 160         if (status==LinphoneCallMissed){
 161                 char *info;
 162                 lc->missed_calls++;
 163                 info=ortp_strdup_printf(ngettext("You have missed %i call.",
 164                     "You have missed %i calls.", lc->missed_calls),
 165                 lc->missed_calls);
 166                                 if (lc->vtable.display_status!=NULL)
 167                                         lc->vtable.display_status(lc,info);
 168                 ms_free(info);
 169         }else calllog->status=status;
 170         lc->call_logs=ms_list_prepend(lc->call_logs,(void *)calllog);
 171         if (ms_list_size(lc->call_logs)>lc->max_call_logs){
 172                 MSList *elem,*prevelem=NULL;
 173                 /*find the last element*/
 174                 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
 175                         prevelem=elem;
 176                 }
 177                 elem=prevelem;
 178                 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
 179                 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
 180         }
 181         if (lc->vtable.call_log_updated!=NULL){
 182                 lc->vtable.call_log_updated(lc,calllog);
 183         }
 184         call_logs_write_to_config_file(lc);
 185 }
 186
 187 /**
 188  * @addtogroup call_logs
 189  * @{
 190 **/
 191
 192 /**
 193  * Returns a human readable string describing the call.
 194  *
 195  * @note: the returned char* must be freed by the application (use ms_free()).
 196 **/
 197 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 198         char *status;
 199         char *tmp;
 200         char *from=linphone_address_as_string (cl->from);
 201         char *to=linphone_address_as_string (cl->to);
 202         switch(cl->status){
 203                 case LinphoneCallAborted:
 204                         status=_("aborted");
 205                         break;
 206                 case LinphoneCallSuccess:
 207                         status=_("completed");
 208                         break;
 209                 case LinphoneCallMissed:
 210                         status=_("missed");
 211                         break;
 212                 default:
 213                         status="unknown";
 214         }
 215         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 216                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 217                         cl->start_date,
 218                         from,
 219                         to,
 220                         status,
 221                         cl->duration/60,
 222                         cl->duration%60);
 223         ms_free(from);
 224         ms_free(to);
 225         return tmp;
 226 }
 227
 228 /**
 229  * Returns RTP statistics computed locally regarding the call.
 230  *
 231 **/
 232 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 233         return &cl->local_stats;
 234 }
 235
 236 /**
 237  * Returns RTP statistics computed by remote end and sent back via RTCP.
 238  *
 239  * @note Not implemented yet.
 240 **/
 241 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 242         return &cl->remote_stats;
 243 }
 244
 245 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 246         cl->user_pointer=up;
 247 }
 248
 249 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 250         return cl->user_pointer;
 251 }
 252
 253
 254
 255 /**
 256  * Associate a persistent reference key to the call log.
 257  *
 258  * The reference key can be for example an id to an external database.
 259  * It is stored in the config file, thus can survive to process exits/restarts.
 260  *
 261 **/
 262 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 263         if (cl->refkey!=NULL){
 264                 ms_free(cl->refkey);
 265                 cl->refkey=NULL;
 266         }
 267         if (refkey) cl->refkey=ms_strdup(refkey);
 268         call_logs_write_to_config_file(cl->lc);
 269 }
 270
 271 /**
 272  * Get the persistent reference key associated to the call log.
 273  *
 274  * The reference key can be for example an id to an external database.
 275  * It is stored in the config file, thus can survive to process exits/restarts.
 276  *
 277 **/
 278 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 279         return cl->refkey;
 280 }
 281
 282 /** @} */
 283
 284 void linphone_call_log_destroy(LinphoneCallLog *cl){
 285         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 286         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 287         if (cl->refkey!=NULL) ms_free(cl->refkey);
 288         ms_free(cl);
 289 }
 290
 291 /**
 292  * Returns TRUE if the LinphoneCall asked to autoanswer
 293  *
 294 **/
 295 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 296         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 297         if(call)
 298                 return sal_call_autoanswer_asked(call->op);
 299         else
 300                 return FALSE;
 301 }
 302
 303 int linphone_core_get_call_duration(LinphoneCall *call){
 304         if (call==NULL) return 0;
 305         if (call->media_start_time==0) return 0;
 306         return time(NULL)-call->media_start_time;
 307 }
 308
 309 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 310         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 311         return linphone_core_get_call_duration(call);
 312 }
 313
 314 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 315         LinphoneCall *call=linphone_core_get_current_call(lc);
 316         if (call==NULL) return NULL;
 317         return linphone_call_get_remote_address(call);
 318 }
 319
 320 /**
 321  * Enable logs in supplied FILE*.
 322  *
 323  * @ingroup misc
 324  *
 325  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 326  *
 327 **/
 328 void linphone_core_enable_logs(FILE *file){
 329         if (file==NULL) file=stdout;
 330         ortp_set_log_file(file);
 331         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 332 }
 333
 334 /**
 335  * Enable logs through the user's supplied log callback.
 336  *
 337  * @ingroup misc
 338  *
 339  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 340  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 341  *
 342 **/
 343 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 344         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 345         ortp_set_log_handler(logfunc);
 346 }
 347
 348 /**
 349  * Entirely disable logging.
 350  *
 351  * @ingroup misc
 352 **/
 353 void linphone_core_disable_logs(){
 354         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357
 358 static void
 359 net_config_read (LinphoneCore *lc)
 360 {
 361         int tmp;
 362         const char *tmpstr;
 363         LpConfig *config=lc->config;
 364
 365         tmp=lp_config_get_int(config,"net","download_bw",0);
 366         linphone_core_set_download_bandwidth(lc,tmp);
 367         tmp=lp_config_get_int(config,"net","upload_bw",0);
 368         linphone_core_set_upload_bandwidth(lc,tmp);
 369         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 370         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 371         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 372         linphone_core_set_nat_address(lc,tmpstr);
 373         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 374         linphone_core_set_firewall_policy(lc,tmp);
 375         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 376         lc->net_conf.nat_sdp_only=tmp;
 377         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 378         linphone_core_set_mtu(lc,tmp);
 379         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 380         linphone_core_set_download_ptime(lc,tmp);
 381
 382 }
 383
 384 static void build_sound_devices_table(LinphoneCore *lc){
 385         const char **devices;
 386         const char **old;
 387         int ndev;
 388         int i;
 389         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 390         ndev=ms_list_size(elem);
 391         devices=ms_malloc((ndev+1)*sizeof(const char *));
 392         for (i=0;elem!=NULL;elem=elem->next,i++){
 393                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 394         }
 395         devices[ndev]=NULL;
 396         old=lc->sound_conf.cards;
 397         lc->sound_conf.cards=devices;
 398         if (old!=NULL) ms_free(old);
 399 }
 400
 401 static void sound_config_read(LinphoneCore *lc)
 402 {
 403         /*int tmp;*/
 404         const char *tmpbuf;
 405         const char *devid;
 406         float gain=0;
 407 #ifdef __linux
 408         /*alsadev let the user use custom alsa device within linphone*/
 409         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 410         if (devid){
 411                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 412                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 413         }
 414 #endif
 415         /* retrieve all sound devices */
 416         build_sound_devices_table(lc);
 417
 418         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 419         linphone_core_set_playback_device(lc,devid);
 420
 421         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 422         linphone_core_set_ringer_device(lc,devid);
 423
 424         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 425         linphone_core_set_capture_device(lc,devid);
 426
 427 /*
 428         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 429         linphone_core_set_play_level(lc,tmp);
 430         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 431         linphone_core_set_ring_level(lc,tmp);
 432         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 433         linphone_core_set_rec_level(lc,tmp);
 434         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 435         linphone_core_set_sound_source(lc,tmpbuf[0]);
 436 */
 437
 438         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 439         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 440         if (ortp_file_exist(tmpbuf)==-1) {
 441                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 442         }
 443         if (strstr(tmpbuf,".wav")==NULL){
 444                 /* it currently uses old sound files, so replace them */
 445                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 446         }
 447
 448         linphone_core_set_ring(lc,tmpbuf);
 449
 450         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 451         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 452         if (ortp_file_exist(tmpbuf)==-1){
 453                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 454         }
 455         if (strstr(tmpbuf,".wav")==NULL){
 456                 /* it currently uses old sound files, so replace them */
 457                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 458         }
 459         linphone_core_set_ringback(lc,tmpbuf);
 460         check_sound_device(lc);
 461         lc->sound_conf.latency=0;
 462
 463         linphone_core_enable_echo_cancellation(lc,
 464             lp_config_get_int(lc->config,"sound","echocancelation",0) |
 465             lp_config_get_int(lc->config,"sound","echocancellation",0)
 466                 );
 467
 468         linphone_core_enable_echo_limiter(lc,
 469                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 470         linphone_core_enable_agc(lc,
 471                 lp_config_get_int(lc->config,"sound","agc",0));
 472
 473         gain=lp_config_get_float(lc->config,"sound","soft_play_lev",0);
 474         linphone_core_set_soft_play_level(lc,gain);
 475 }
 476
 477 static void sip_config_read(LinphoneCore *lc)
 478 {
 479         char *contact;
 480         const char *tmpstr;
 481         int port;
 482         int i,tmp;
 483         int ipv6;
 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         port=lp_config_get_int(lc->config,"sip","use_info",0);
 490         linphone_core_set_use_info_for_dtmf(lc,port);
 491
 492         port=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 493         linphone_core_set_use_rfc2833_for_dtmf(lc,port);
 494
 495         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 496         if (ipv6==-1){
 497                 ipv6=0;
 498                 if (host_has_ipv6_network()){
 499                         if (lc->vtable.display_message)
 500                                 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"));
 501                 }
 502         }
 503         linphone_core_enable_ipv6(lc,ipv6);
 504         port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 505         linphone_core_set_sip_port(lc,port);
 506
 507         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 508         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 509                 const char *hostname=NULL;
 510                 const char *username=NULL;
 511 #ifdef HAVE_GETENV
 512                 hostname=getenv("HOST");
 513                 username=getenv("USER");
 514                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 515 #endif /*HAVE_GETENV*/
 516                 if (hostname==NULL)
 517                         hostname="unknown-host";
 518                 if (username==NULL){
 519                         username="toto";
 520                 }
 521                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 522                 linphone_core_set_primary_contact(lc,contact);
 523                 ms_free(contact);
 524         }
 525
 526         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 527         linphone_core_set_guess_hostname(lc,tmp);
 528
 529
 530         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 531         linphone_core_set_inc_timeout(lc,tmp);
 532
 533         /* get proxies config */
 534         for(i=0;; i++){
 535                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 536                 if (cfg!=NULL){
 537                         linphone_core_add_proxy_config(lc,cfg);
 538                 }else{
 539                         break;
 540                 }
 541         }
 542         /* get the default proxy */
 543         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 544         linphone_core_set_default_proxy_index(lc,tmp);
 545
 546         /* read authentication information */
 547         for(i=0;; i++){
 548                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 549                 if (ai!=NULL){
 550                         linphone_core_add_auth_info(lc,ai);
 551                         linphone_auth_info_destroy(ai);
 552                 }else{
 553                         break;
 554                 }
 555         }
 556
 557         /*for tuning or test*/
 558         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 559         lc->sip_conf.only_one_codec=lp_config_get_int(lc->config,"sip","only_one_codec",0);
 560         lc->sip_conf.register_only_when_network_is_up=
 561                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 562         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 563         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 564         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 565         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 566 }
 567
 568 static void rtp_config_read(LinphoneCore *lc)
 569 {
 570         int port;
 571         int jitt_comp;
 572         int nortp_timeout;
 573         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 574         linphone_core_set_audio_port(lc,port);
 575
 576         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 577         if (port==0) port=9078;
 578         linphone_core_set_video_port(lc,port);
 579
 580         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 581         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 582         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 583         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 584         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 585 }
 586
 587 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 588         PayloadType *candidate=NULL;
 589         int i;
 590         PayloadType *it;
 591         for(i=0;i<127;++i){
 592                 it=rtp_profile_get_payload(prof,i);
 593                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 594                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 595                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 596                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 597                                 /*exact match*/
 598                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 599                                 return it;
 600                         }else {
 601                                 if (candidate){
 602                                         if (it->recv_fmtp==NULL) candidate=it;
 603                                 }else candidate=it;
 604                         }
 605                 }
 606         }
 607         if (candidate && recv_fmtp){
 608                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 609         }
 610         return candidate;
 611 }
 612
 613 static bool_t get_codec(LpConfig *config, char* type, int index, PayloadType **ret){
 614         char codeckey[50];
 615         const char *mime,*fmtp;
 616         int rate,enabled;
 617         PayloadType *pt;
 618
 619         *ret=NULL;
 620         snprintf(codeckey,50,"%s_%i",type,index);
 621         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 622         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 623
 624         rate=lp_config_get_int(config,codeckey,"rate",8000);
 625         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 626         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 627         pt=find_payload(&av_profile,mime,rate,fmtp);
 628         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 629         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 630         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 631                         mime,rate,fmtp ? fmtp : "");
 632         *ret=pt;
 633         return TRUE;
 634 }
 635
 636 static const char *codec_pref_order[]={
 637         "speex",
 638         "gsm",
 639         "pcmu",
 640         "pcma",
 641         "H264",
 642         "MP4V-ES",
 643         "theora",
 644         "H263-1998",
 645         "H263",
 646         NULL,
 647 };
 648
 649 static int find_codec_rank(const char *mime){
 650         int i;
 651         for(i=0;codec_pref_order[i]!=NULL;++i){
 652                 if (strcasecmp(codec_pref_order[i],mime)==0)
 653                         break;
 654         }
 655         return i;
 656 }
 657
 658 static int codec_compare(const PayloadType *a, const PayloadType *b){
 659         int ra,rb;
 660         ra=find_codec_rank(a->mime_type);
 661         rb=find_codec_rank(b->mime_type);
 662         if (ra>rb) return 1;
 663         if (ra<rb) return -1;
 664         return 0;
 665 }
 666
 667 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 668         int i;
 669         for(i=0;i<127;++i){
 670                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 671                 if (pt){
 672                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 673                                 pt=NULL;
 674                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 675                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 676                                 pt=NULL;
 677                         }
 678                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 679                                 if (ms_list_find(l,pt)==NULL){
 680                                         payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 681                                         ms_message("Adding new codec %s/%i with fmtp %s",
 682                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 683                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 684                                 }
 685                         }
 686                 }
 687         }
 688         return l;
 689 }
 690
 691 static void codecs_config_read(LinphoneCore *lc)
 692 {
 693         int i;
 694         PayloadType *pt;
 695         MSList *audio_codecs=NULL;
 696         MSList *video_codecs=NULL;
 697         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 698                 if (pt){
 699                         if (!ms_filter_codec_supported(pt->mime_type)){
 700                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 701                         }else audio_codecs=ms_list_append(audio_codecs,pt);
 702                 }
 703         }
 704         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 705         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 706                 if (pt){
 707                         if (!ms_filter_codec_supported(pt->mime_type)){
 708                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 709                         }else video_codecs=ms_list_append(video_codecs,(void *)pt);
 710                 }
 711         }
 712         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 713         linphone_core_set_audio_codecs(lc,audio_codecs);
 714         linphone_core_set_video_codecs(lc,video_codecs);
 715         linphone_core_update_allocated_audio_bandwidth(lc);
 716 }
 717
 718 static void video_config_read(LinphoneCore *lc){
 719         int capture, display, self_view;
 720         int enabled;
 721         const char *str;
 722         int ndev;
 723         const char **devices;
 724         const MSList *elem;
 725         int i;
 726
 727         /* retrieve all video devices */
 728         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 729         ndev=ms_list_size(elem);
 730         devices=ms_malloc((ndev+1)*sizeof(const char *));
 731         for (i=0;elem!=NULL;elem=elem->next,i++){
 732                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 733         }
 734         devices[ndev]=NULL;
 735         lc->video_conf.cams=devices;
 736
 737         str=lp_config_get_string(lc->config,"video","device",NULL);
 738         if (str && str[0]==0) str=NULL;
 739         linphone_core_set_video_device(lc,str);
 740
 741         linphone_core_set_preferred_video_size_by_name(lc,
 742                 lp_config_get_string(lc->config,"video","size","cif"));
 743
 744         enabled=lp_config_get_int(lc->config,"video","enabled",1);
 745         capture=lp_config_get_int(lc->config,"video","capture",enabled);
 746         display=lp_config_get_int(lc->config,"video","display",enabled);
 747         self_view=lp_config_get_int(lc->config,"video","self_view",enabled);
 748 #ifdef VIDEO_ENABLED
 749         linphone_core_enable_video(lc,capture,display);
 750         linphone_core_enable_self_view(lc,self_view);
 751 #endif
 752 }
 753
 754 static void ui_config_read(LinphoneCore *lc)
 755 {
 756         LinphoneFriend *lf;
 757         int i;
 758         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 759                 linphone_core_add_friend(lc,lf);
 760         }
 761         call_logs_read_from_config_file(lc);
 762 }
 763
 764 /*
 765 static void autoreplier_config_init(LinphoneCore *lc)
 766 {
 767         autoreplier_config_t *config=&lc->autoreplier_conf;
 768         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 769         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 770         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 771         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 772         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 773         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 774 }
 775 */
 776
 777 /**
 778  * Sets maximum available download bandwidth
 779  *
 780  * @ingroup media_parameters
 781  *
 782  * This is IP bandwidth, in kbit/s.
 783  * This information is used signaled to other parties during
 784  * calls (within SDP messages) so that the remote end can have
 785  * sufficient knowledge to properly configure its audio & video
 786  * codec output bitrate to not overflow available bandwidth.
 787  *
 788  * @param lc the LinphoneCore object
 789  * @param bw the bandwidth in kbits/s, 0 for infinite
 790  */
 791 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 792         lc->net_conf.download_bw=bw;
 793         if (bw==0){ /*infinite*/
 794                 lc->dw_audio_bw=-1;
 795                 lc->dw_video_bw=-1;
 796         }else {
 797                 lc->dw_audio_bw=MIN(lc->audio_bw,bw);
 798                 lc->dw_video_bw=MAX(bw-lc->dw_audio_bw-10,0);/*-10: security margin*/
 799         }
 800 }
 801
 802 /**
 803  * Sets maximum available upload bandwidth
 804  *
 805  * @ingroup media_parameters
 806  *
 807  * This is IP bandwidth, in kbit/s.
 808  * This information is used by liblinphone together with remote
 809  * side available bandwidth signaled in SDP messages to properly
 810  * configure audio & video codec's output bitrate.
 811  *
 812  * @param lc the LinphoneCore object
 813  * @param bw the bandwidth in kbits/s, 0 for infinite
 814  */
 815 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 816         lc->net_conf.upload_bw=bw;
 817         if (bw==0){ /*infinite*/
 818                 lc->up_audio_bw=-1;
 819                 lc->up_video_bw=-1;
 820         }else{
 821                 lc->up_audio_bw=MIN(lc->audio_bw,bw);
 822                 lc->up_video_bw=MAX(bw-lc->up_audio_bw-10,0);/*-10: security margin*/
 823         }
 824 }
 825
 826 /**
 827  * Retrieve the maximum available download bandwidth.
 828  *
 829  * @ingroup media_parameters
 830  *
 831  * This value was set by linphone_core_set_download_bandwidth().
 832  *
 833 **/
 834 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 835         return lc->net_conf.download_bw;
 836 }
 837
 838 /**
 839  * Retrieve the maximum available upload bandwidth.
 840  *
 841  * @ingroup media_parameters
 842  *
 843  * This value was set by linphone_core_set_upload_bandwidth().
 844  *
 845 **/
 846 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 847         return lc->net_conf.upload_bw;
 848 }
 849 /**
 850  * set audio packetization time linphone expect to received from peer
 851  */
 852 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 853         lc->net_conf.down_ptime=ptime;
 854 }
 855
 856 int  linphone_core_get_download_ptime(LinphoneCore *lc) {
 857         return lc->net_conf.down_ptime;
 858 }
 859
 860
 861 /**
 862  * Returns liblinphone's version as a string.
 863  *
 864  * @ingroup misc
 865  *
 866 **/
 867 const char * linphone_core_get_version(void){
 868         return liblinphone_version;
 869 }
 870
 871
 872 static MSList *linphone_payload_types=NULL;
 873
 874 static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
 875         PayloadType *pt;
 876         pt=payload_type_clone(const_pt);
 877         payload_type_set_number(pt,number);
 878         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 879         rtp_profile_set_payload(&av_profile,number,pt);
 880         linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 881 }
 882
 883 static void linphone_core_free_payload_types(void){
 884         ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
 885         ms_list_free(linphone_payload_types);
 886         linphone_payload_types=NULL;
 887 }
 888
 889 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
 890     const char *factory_config_path, void * userdata)
 891 {
 892         memset (lc, 0, sizeof (LinphoneCore));
 893         lc->data=userdata;
 894
 895         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
 896
 897         gstate_initialize(lc);
 898         gstate_new_state(lc, GSTATE_POWER_STARTUP, NULL);
 899
 900         ortp_init();
 901         linphone_core_assign_payload_type(&payload_type_pcmu8000,0,NULL);
 902         linphone_core_assign_payload_type(&payload_type_gsm,3,NULL);
 903         linphone_core_assign_payload_type(&payload_type_pcma8000,8,NULL);
 904         linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
 905         linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=on");
 906         linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=on");
 907         linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
 908         linphone_core_assign_payload_type(&payload_type_telephone_event,101,"0-11");
 909         linphone_core_assign_payload_type(&payload_type_ilbc,113,"mode=30");
 910         linphone_core_assign_payload_type(&payload_type_amr,114,"octet-align=1");
 911
 912 #ifdef ENABLE_NONSTANDARD_GSM
 913         {
 914                 PayloadType *pt;
 915                 pt=payload_type_clone(&payload_type_gsm);
 916                 pt->clock_rate=11025;
 917                 rtp_profile_set_payload(&av_profile,114,pt);
 918                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 919                 pt=payload_type_clone(&payload_type_gsm);
 920                 pt->clock_rate=22050;
 921                 rtp_profile_set_payload(&av_profile,115,pt);
 922                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 923         }
 924 #endif
 925
 926 #ifdef VIDEO_ENABLED
 927         linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
 928         linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
 929         linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
 930         linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
 931         linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
 932         linphone_core_assign_payload_type(&payload_type_h264,102,NULL);
 933         linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1");
 934 #endif
 935
 936         ms_init();
 937         /* create a mediastreamer2 event queue and set it as global */
 938         /* This allows to run event's callback in linphone_core_iterate() */
 939         lc->msevq=ms_event_queue_new();
 940         ms_set_global_event_queue(lc->msevq);
 941
 942         lc->config=lp_config_new(config_path);
 943         if (factory_config_path)
 944                 lp_config_read_file(lc->config,factory_config_path);
 945
 946         lc->sal=sal_init();
 947         sal_set_user_pointer(lc->sal,lc);
 948         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
 949
 950         sip_setup_register_all();
 951         sound_config_read(lc);
 952         net_config_read(lc);
 953         rtp_config_read(lc);
 954         codecs_config_read(lc);
 955         sip_config_read(lc); /* this will start eXosip*/
 956         video_config_read(lc);
 957         //autoreplier_config_init(&lc->autoreplier_conf);
 958         lc->prev_mode=LINPHONE_STATUS_ONLINE;
 959         lc->presence_mode=LINPHONE_STATUS_ONLINE;
 960         lc->max_call_logs=15;
 961         ui_config_read(lc);
 962         if (lc->vtable.display_status)
 963                 lc->vtable.display_status(lc,_("Ready"));
 964         gstate_new_state(lc, GSTATE_POWER_ON, NULL);
 965         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
 966
 967     lc->ready=TRUE;
 968 }
 969
 970 /**
 971  * Instanciates a LinphoneCore object.
 972  * @ingroup initializing
 973  *
 974  * The LinphoneCore object is the primary handle for doing all phone actions.
 975  * It should be unique within your application.
 976  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
 977  * @param config_path a path to a config file. If it does not exists it will be created.
 978  *        The config file is used to store all user settings, call logs, friends, proxies...
 979  * @param factory_config_path a path to a read-only config file that can be used to
 980  *        to store hard-coded preference such as proxy settings or internal preferences.
 981  *        The settings in this factory file always override the one in the normal config file.
 982  *        It is OPTIONAL, use NULL if unneeded.
 983  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
 984  *        callbacks) using linphone_core_get_user_data().
 985  *
 986 **/
 987 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
 988                                                 const char *config_path, const char *factory_config_path, void * userdata)
 989 {
 990         LinphoneCore *core=ms_new(LinphoneCore,1);
 991         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
 992         return core;
 993 }
 994
 995 /**
 996  * Returns the list of available audio codecs.
 997  *
 998  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
 999  * structure holding the codec information.
1000  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1001  * (such as the order of codecs).
1002 **/
1003 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1004 {
1005         return lc->codecs_conf.audio_codecs;
1006 }
1007
1008 /**
1009  * Returns the list of available video codecs.
1010  *
1011  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1012  * structure holding the codec information.
1013  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1014  * (such as the order of codecs).
1015 **/
1016 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1017 {
1018         return lc->codecs_conf.video_codecs;
1019 }
1020
1021 /**
1022  * Sets the local "from" identity.
1023  *
1024  * @ingroup proxies
1025  * This data is used in absence of any proxy configuration or when no
1026  * default proxy configuration is set. See LinphoneProxyConfig
1027 **/
1028 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1029 {
1030         LinphoneAddress *ctt;
1031
1032         if ((ctt=linphone_address_new(contact))==0) {
1033                 ms_error("Bad contact url: %s",contact);
1034                 return -1;
1035         }
1036         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1037         lc->sip_conf.contact=ms_strdup(contact);
1038         if (lc->sip_conf.guessed_contact!=NULL){
1039                 ms_free(lc->sip_conf.guessed_contact);
1040                 lc->sip_conf.guessed_contact=NULL;
1041         }
1042         linphone_address_destroy(ctt);
1043         return 0;
1044 }
1045
1046
1047 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1048 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1049         if (linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_NAT_ADDRESS){
1050                 strncpy(result,linphone_core_get_nat_address(lc),LINPHONE_IPADDR_SIZE);
1051                 return;
1052         }
1053         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1054                 return;
1055         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1056         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1057 }
1058
1059 static void update_primary_contact(LinphoneCore *lc){
1060         char *guessed=NULL;
1061         char tmp[LINPHONE_IPADDR_SIZE];
1062
1063         LinphoneAddress *url;
1064         if (lc->sip_conf.guessed_contact!=NULL){
1065                 ms_free(lc->sip_conf.guessed_contact);
1066                 lc->sip_conf.guessed_contact=NULL;
1067         }
1068         url=linphone_address_new(lc->sip_conf.contact);
1069         if (!url){
1070                 ms_error("Could not parse identity contact !");
1071                 url=linphone_address_new("sip:unknown@unkwownhost");
1072         }
1073         linphone_core_get_local_ip(lc, NULL, tmp);
1074         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1075                 ms_warning("Local loopback network only !");
1076                 lc->sip_conf.loopback_only=TRUE;
1077         }else lc->sip_conf.loopback_only=FALSE;
1078         linphone_address_set_domain(url,tmp);
1079         linphone_address_set_port_int(url,lc->sip_conf.sip_port);
1080         guessed=linphone_address_as_string(url);
1081         lc->sip_conf.guessed_contact=guessed;
1082         linphone_address_destroy(url);
1083 }
1084
1085 /**
1086  * Returns the default identity when no proxy configuration is used.
1087  *
1088  * @ingroup proxies
1089 **/
1090 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1091         char *identity;
1092
1093         if (lc->sip_conf.guess_hostname){
1094                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1095                         update_primary_contact(lc);
1096                 }
1097                 identity=lc->sip_conf.guessed_contact;
1098         }else{
1099                 identity=lc->sip_conf.contact;
1100         }
1101         return identity;
1102 }
1103
1104 /**
1105  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1106  *
1107  * @ingroup proxies
1108 **/
1109 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1110         lc->sip_conf.guess_hostname=val;
1111 }
1112
1113 /**
1114  * Returns TRUE if hostname part of primary contact is guessed automatically.
1115  *
1116  * @ingroup proxies
1117 **/
1118 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1119         return lc->sip_conf.guess_hostname;
1120 }
1121
1122 /**
1123  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1124  * instead of const char*
1125  *
1126  * @ingroup proxies
1127 **/
1128 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1129         return linphone_address_new(linphone_core_get_primary_contact(lc));
1130 }
1131
1132 /**
1133  * Sets the list of audio codecs.
1134  *
1135  * @ingroup media_parameters
1136  * The list is taken by the LinphoneCore thus the application should not free it.
1137  * This list is made of struct PayloadType describing the codec parameters.
1138 **/
1139 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1140 {
1141         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1142         lc->codecs_conf.audio_codecs=codecs;
1143         return 0;
1144 }
1145
1146 /**
1147  * Sets the list of video codecs.
1148  *
1149  * @ingroup media_parameters
1150  * The list is taken by the LinphoneCore thus the application should not free it.
1151  * This list is made of struct PayloadType describing the codec parameters.
1152 **/
1153 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1154 {
1155         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1156         lc->codecs_conf.video_codecs=codecs;
1157         return 0;
1158 }
1159
1160 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1161 {
1162         return lc->friends;
1163 }
1164
1165 /**
1166  * Returns the nominal jitter buffer size in milliseconds.
1167  *
1168  * @ingroup media_parameters
1169 **/
1170 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1171 {
1172         return lc->rtp_conf.audio_jitt_comp;
1173 }
1174
1175 /**
1176  * Returns the UDP port used for audio streaming.
1177  *
1178  * @ingroup network_parameters
1179 **/
1180 int linphone_core_get_audio_port(const LinphoneCore *lc)
1181 {
1182         return lc->rtp_conf.audio_rtp_port;
1183 }
1184
1185 /**
1186  * Returns the UDP port used for video streaming.
1187  *
1188  * @ingroup network_parameters
1189 **/
1190 int linphone_core_get_video_port(const LinphoneCore *lc){
1191         return lc->rtp_conf.video_rtp_port;
1192 }
1193
1194
1195 /**
1196  * Returns the value in seconds of the no-rtp timeout.
1197  *
1198  * @ingroup media_parameters
1199  * When no RTP or RTCP packets have been received for a while
1200  * LinphoneCore will consider the call is broken (remote end crashed or
1201  * disconnected from the network), and thus will terminate the call.
1202  * The no-rtp timeout is the duration above which the call is considered broken.
1203 **/
1204 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1205         return lc->rtp_conf.nortp_timeout;
1206 }
1207
1208 /**
1209  * Sets the nominal audio jitter buffer size in milliseconds.
1210  *
1211  * @ingroup media_parameters
1212 **/
1213 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1214 {
1215         lc->rtp_conf.audio_jitt_comp=value;
1216 }
1217
1218 /**
1219  * Sets the UDP port used for audio streaming.
1220  *
1221  * @ingroup network_parameters
1222 **/
1223 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1224 {
1225         lc->rtp_conf.audio_rtp_port=port;
1226 }
1227
1228 /**
1229  * Sets the UDP port used for video streaming.
1230  *
1231  * @ingroup network_parameters
1232 **/
1233 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1234         lc->rtp_conf.video_rtp_port=port;
1235 }
1236
1237 /**
1238  * Sets the no-rtp timeout value in seconds.
1239  *
1240  * @ingroup media_parameters
1241  * See linphone_core_get_nortp_timeout() for details.
1242 **/
1243 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1244         lc->rtp_conf.nortp_timeout=nortp_timeout;
1245 }
1246
1247 /**
1248  * Indicates whether SIP INFO is used for sending digits.
1249  *
1250  * @ingroup media_parameters
1251 **/
1252 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1253 {
1254         return lc->sip_conf.use_info;
1255 }
1256
1257 /**
1258  * Sets whether SIP INFO is to be used for sending digits.
1259  *
1260  * @ingroup media_parameters
1261 **/
1262 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1263 {
1264         lc->sip_conf.use_info=use_info;
1265 }
1266
1267 /**
1268  * Indicates whether RFC2833 is used for sending digits.
1269  *
1270  * @ingroup media_parameters
1271 **/
1272 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1273 {
1274         return lc->sip_conf.use_rfc2833;
1275 }
1276
1277 /**
1278  * Sets whether RFC2833 is to be used for sending digits.
1279  *
1280  * @ingroup media_parameters
1281 **/
1282 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1283 {
1284         lc->sip_conf.use_rfc2833=use_rfc2833;
1285 }
1286
1287 /**
1288  * Returns the UDP port used by SIP.
1289  *
1290  * @ingroup network_parameters
1291 **/
1292 int linphone_core_get_sip_port(LinphoneCore *lc)
1293 {
1294         return lc->sip_conf.sip_port;
1295 }
1296
1297 static char _ua_name[64]="Linphone";
1298 static char _ua_version[64]=LINPHONE_VERSION;
1299
1300 #ifdef HAVE_EXOSIP_GET_VERSION
1301 extern const char *eXosip_get_version();
1302 #endif
1303
1304 static void apply_user_agent(LinphoneCore *lc){
1305         char ua_string[256];
1306         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1307 #ifdef HAVE_EXOSIP_GET_VERSION
1308                  eXosip_get_version()
1309 #else
1310                  "unknown"
1311 #endif
1312         );
1313         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1314 }
1315
1316 /**
1317  * Sets the user agent string used in SIP messages.
1318  *
1319  * @ingroup misc
1320 **/
1321 void linphone_core_set_user_agent(const char *name, const char *ver){
1322         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1323         strncpy(_ua_version,ver,sizeof(_ua_version));
1324 }
1325
1326 /**
1327  * Sets the UDP port to be used by SIP.
1328  *
1329  * @ingroup network_parameters
1330 **/
1331 int linphone_core_set_sip_port(LinphoneCore *lc,int port)
1332 {
1333         const char *anyaddr;
1334         int err=0;
1335         if (port==lc->sip_conf.sip_port) return 0;
1336         lc->sip_conf.sip_port=port;
1337
1338         if (lc->sal==NULL) return -1;
1339
1340         if (lc->sip_conf.ipv6_enabled)
1341                 anyaddr="::0";
1342         else
1343                 anyaddr="0.0.0.0";
1344         err=sal_listen_port (lc->sal,anyaddr,port, SalTransportDatagram,FALSE);
1345         if (err<0){
1346                 char *msg=ortp_strdup_printf("UDP port %i seems already in use ! Cannot initialize.",port);
1347                 ms_warning(msg);
1348                 if (lc->vtable.display_warning)
1349                         lc->vtable.display_warning(lc,msg);
1350                 ms_free(msg);
1351                 return -1;
1352         }
1353         apply_user_agent(lc);
1354         return 0;
1355 }
1356
1357 /**
1358  * Returns TRUE if IPv6 is enabled.
1359  *
1360  * @ingroup network_parameters
1361  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1362 **/
1363 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1364         return lc->sip_conf.ipv6_enabled;
1365 }
1366
1367 /**
1368  * Turns IPv6 support on or off.
1369  *
1370  * @ingroup network_parameters
1371  *
1372  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1373  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1374  * By default IPv6 support is off.
1375 **/
1376 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1377         if (lc->sip_conf.ipv6_enabled!=val){
1378                 lc->sip_conf.ipv6_enabled=val;
1379                 if (lc->sal){
1380                         /* we need to restart eXosip */
1381                         linphone_core_set_sip_port(lc, lc->sip_conf.sip_port);
1382                 }
1383         }
1384 }
1385
1386 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1387         ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1388         (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1389         (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1390         (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1391         (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1392 }
1393
1394 static void linphone_core_disconnected(LinphoneCore *lc, LinphoneCall *call){
1395         char temp[256];
1396         char *from;
1397         if(call)
1398                 from = linphone_call_get_remote_address_as_string(call);
1399         if(from)
1400         {
1401                 snprintf(temp,sizeof(temp),"Remote end %s seems to have disconnected, the call is going to be closed.",from);
1402                 free(from);
1403         }
1404         else
1405         {
1406                 snprintf(temp,sizeof(temp),"Remote end seems to have disconnected, the call is going to be closed.");
1407         }
1408         if (lc->vtable.display_warning!=NULL)
1409         lc->vtable.display_warning(lc,temp);
1410         linphone_core_terminate_call(lc,call);//TODO failure ??
1411 }
1412
1413 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1414         static time_t last_check=0;
1415         static bool_t last_status=FALSE;
1416         char result[LINPHONE_IPADDR_SIZE];
1417         bool_t new_status=last_status;
1418
1419         /* only do the network up checking every five seconds */
1420         if (last_check==0 || (curtime-last_check)>=5){
1421                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1422                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1423                         new_status=TRUE;
1424                 }else new_status=FALSE;
1425                 last_check=curtime;
1426                 if (new_status!=last_status) {
1427                         if (new_status){
1428                                 ms_message("New local ip address is %s",result);
1429                         }
1430                         set_network_reachable(lc,new_status);
1431                         last_status=new_status;
1432                 }
1433         }
1434 }
1435
1436 static void proxy_update(LinphoneCore *lc){
1437         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1438 }
1439
1440 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1441         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1442         if (lf!=NULL){
1443                 lf->info=info;
1444                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1445                 if (lc->vtable.buddy_info_updated)
1446                         lc->vtable.buddy_info_updated(lc,lf);
1447         }else{
1448                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1449         }
1450 }
1451
1452 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1453         MSList *elem;
1454         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1455         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1456                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1457                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1458                         if (req->results!=NULL){
1459                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1460                                 ms_list_free(req->results);
1461                                 req->results=NULL;
1462                                 assign_buddy_info(lc,i);
1463                         }
1464                         sip_setup_context_buddy_lookup_free(ctx,req);
1465                         elem->data=NULL;
1466                 }
1467         }
1468         /*purge completed requests */
1469         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1470                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1471         }
1472 }
1473
1474 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1475         const MSList *elem;
1476         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1477         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1478                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1479                 if (lf->info==NULL){
1480                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1481                                 if (linphone_address_get_username(lf->uri)!=NULL){
1482                                         BuddyLookupRequest *req;
1483                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1484                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1485                                         buddy_lookup_request_set_key(req,tmp);
1486                                         buddy_lookup_request_set_max_results(req,1);
1487                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1488                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1489                                         ms_free(tmp);
1490                                 }
1491                         }
1492                 }
1493         }
1494 }
1495
1496 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1497         LinphoneProxyConfig *cfg=NULL;
1498         linphone_core_get_default_proxy(lc,&cfg);
1499         if (cfg){
1500                 if (lc->bl_refresh){
1501                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1502                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1503                                 linphone_core_grab_buddy_infos(lc,cfg);
1504                                 lc->bl_refresh=FALSE;
1505                         }
1506                 }
1507                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1508         }
1509 }
1510
1511 /**
1512  * Main loop function. It is crucial that your application call it periodically.
1513  *
1514  * @ingroup initializing
1515  * linphone_core_iterate() performs various backgrounds tasks:
1516  * - receiving of SIP messages
1517  * - handles timers and timeout
1518  * - performs registration to proxies
1519  * - authentication retries
1520  * The application MUST call this function from periodically, in its main loop.
1521  * Be careful that this function must be call from the same thread as
1522  * other liblinphone methods. In not the case make sure all liblinphone calls are
1523  * serialized with a mutex.
1524 **/
1525 void linphone_core_iterate(LinphoneCore *lc){
1526         MSList *calls;
1527         LinphoneCall *call;
1528         int disconnect_timeout = linphone_core_get_nortp_timeout(lc);
1529         time_t curtime=time(NULL);
1530         int elapsed;
1531         bool_t one_second_elapsed=FALSE;
1532         bool_t disconnected=FALSE;
1533
1534         if (curtime-lc->prevtime>=1){
1535                 lc->prevtime=curtime;
1536                 one_second_elapsed=TRUE;
1537         }
1538
1539         if (lc->preview_finished){
1540                 lc->preview_finished=0;
1541                 ring_stop(lc->ringstream);
1542                 lc->ringstream=NULL;
1543                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1544         }
1545
1546         sal_iterate(lc->sal);
1547         ms_event_queue_pump(lc->msevq);
1548         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1549
1550         proxy_update(lc);
1551
1552         //we have to iterate for each call
1553         calls= lc->calls;
1554         while(calls!= NULL){
1555                 call = (LinphoneCall *)calls->data;
1556                  /* get immediately a reference to next one in case the one
1557                  we are going to examine is destroy and removed during
1558                  linphone_core_start_invite() */
1559                 calls=calls->next;
1560                 if (call->state==LinphoneCallPreEstablishing && (curtime-call->start_time>=2)){
1561                                 /*start the call even if the OPTIONS reply did not arrive*/
1562                                 linphone_core_start_invite(lc,call,NULL);
1563                         }
1564                         if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallRinging){
1565                                 elapsed=curtime-call->start_time;
1566                                 ms_message("incoming call ringing for %i seconds",elapsed);
1567                                 if (elapsed>lc->sip_conf.inc_timeout){
1568                                         call->log->status=LinphoneCallMissed;
1569                                         linphone_core_terminate_call(lc,call);
1570                                 }
1571                         }
1572         }
1573         call = linphone_core_get_current_call(lc);
1574         if(call)
1575         {
1576                 if (call->state==LinphoneCallAVRunning)
1577                 {
1578                         if (one_second_elapsed)
1579                         {
1580                                 RtpSession *as=NULL,*vs=NULL;
1581                                 lc->prevtime=curtime;
1582                                 if (lc->audiostream!=NULL)
1583                                         as=lc->audiostream->session;
1584                                 if (lc->videostream!=NULL)
1585                                         vs=lc->videostream->session;
1586                                 display_bandwidth(as,vs);
1587                         }
1588 #ifdef VIDEO_ENABLED
1589                         if (lc->videostream!=NULL)
1590                                 video_stream_iterate(lc->videostream);
1591 #endif
1592                         if (lc->audiostream!=NULL && disconnect_timeout>0)
1593                                 disconnected=!audio_stream_alive(lc->audiostream,disconnect_timeout);
1594                 }
1595         }
1596         if (linphone_core_video_preview_enabled(lc)){
1597                 if (lc->previewstream==NULL)
1598                         toggle_video_preview(lc,TRUE);
1599 #ifdef VIDEO_ENABLED
1600                 else video_stream_iterate(lc->previewstream);
1601 #endif
1602         }else{
1603                 if (lc->previewstream!=NULL)
1604                         toggle_video_preview(lc,FALSE);
1605         }
1606         if (disconnected)
1607                 linphone_core_disconnected(lc,call);
1608
1609         linphone_core_do_plugin_tasks(lc);
1610
1611         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1612                 lp_config_sync(lc->config);
1613         }
1614 }
1615
1616 /**
1617  * Interpret a call destination as supplied by the user, and returns a fully qualified
1618  * LinphoneAddress.
1619  *
1620  * A sip address should look like DisplayName <sip:username@domain:port> .
1621  * Basically this function performs the following tasks
1622  * - if a phone number is entered, prepend country prefix of the default proxy
1623  *   configuration, eventually escape the '+' by 00.
1624  * - if no domain part is supplied, append the domain name of the default proxy
1625  * - if no sip: is present, prepend it
1626  *
1627  * The result is a syntaxically correct SIP address.
1628 **/
1629
1630 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1631         enum_lookup_res_t *enumres=NULL;
1632         char *enum_domain=NULL;
1633         LinphoneProxyConfig *proxy=lc->default_proxy;;
1634         char *tmpurl;
1635         LinphoneAddress *uri;
1636
1637         if (is_enum(url,&enum_domain)){
1638                 if (lc->vtable.display_status!=NULL)
1639                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1640                 if (enum_lookup(enum_domain,&enumres)<0){
1641                         if (lc->vtable.display_status!=NULL)
1642                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1643                         if(lc->vtable.failure_recv)
1644                                 lc->vtable.failure_recv(lc,NULL,400);
1645                         ms_free(enum_domain);
1646                         return NULL;
1647                 }
1648                 ms_free(enum_domain);
1649                 tmpurl=enumres->sip_address[0];
1650                 uri=linphone_address_new(tmpurl);
1651                 enum_lookup_res_free(enumres);
1652                 return uri;
1653         }
1654         /* check if we have a "sip:" */
1655         if (strstr(url,"sip:")==NULL){
1656                 /* this doesn't look like a true sip uri */
1657                 if (strchr(url,'@')!=NULL){
1658                         /* seems like sip: is missing !*/
1659                         tmpurl=ms_strdup_printf("sip:%s",url);
1660                         uri=linphone_address_new(tmpurl);
1661                         ms_free(tmpurl);
1662                         if (uri){
1663                                 return uri;
1664                         }
1665                 }
1666
1667                 if (proxy!=NULL){
1668                         /* append the proxy domain suffix */
1669                         const char *identity=linphone_proxy_config_get_identity(proxy);
1670                         char normalized_username[128];
1671                         uri=linphone_address_new(identity);
1672                         if (uri==NULL){
1673                                 return NULL;
1674                         }
1675                         linphone_address_set_display_name(uri,NULL);
1676                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1677                                                                 sizeof(normalized_username));
1678                         linphone_address_set_username(uri,normalized_username);
1679                         return uri;
1680                 }else return NULL;
1681         }
1682         uri=linphone_address_new(url);
1683         if (uri!=NULL){
1684                 return uri;
1685         }
1686         /* else we could not do anything with url given by user, so display an error */
1687         if (lc->vtable.display_warning!=NULL){
1688                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1689         }
1690         return NULL;
1691 }
1692
1693 /**
1694  * Returns the default identity SIP address.
1695  *
1696  * @ingroup proxiesb
1697  * This is an helper function:
1698  *
1699  * If no default proxy is set, this will return the primary contact (
1700  * see linphone_core_get_primary_contact() ). If a default proxy is set
1701  * it returns the registered identity on the proxy.
1702 **/
1703 const char * linphone_core_get_identity(LinphoneCore *lc){
1704         LinphoneProxyConfig *proxy=NULL;
1705         const char *from;
1706         linphone_core_get_default_proxy(lc,&proxy);
1707         if (proxy!=NULL) {
1708                 from=linphone_proxy_config_get_identity(proxy);
1709         }else from=linphone_core_get_primary_contact(lc);
1710         return from;
1711 }
1712
1713 const char * linphone_core_get_route(LinphoneCore *lc){
1714         LinphoneProxyConfig *proxy=NULL;
1715         const char *route=NULL;
1716         linphone_core_get_default_proxy(lc,&proxy);
1717         if (proxy!=NULL) {
1718                 route=linphone_proxy_config_get_route(proxy);
1719         }
1720         return route;
1721 }
1722
1723 bool_t linphone_core_is_in_communication_with(LinphoneCore *lc, const char *to)
1724 {
1725         char *tmp;
1726         bool_t returned;
1727         const LinphoneAddress *la=linphone_core_get_current_call_remote_address(lc);
1728         if(la == NULL)
1729         {
1730                 return FALSE;
1731         }
1732         tmp = linphone_address_as_string(la);
1733         if(!strcmp(tmp,to))
1734                 returned = TRUE;
1735         else
1736                 returned = FALSE;
1737         if(tmp)
1738                 ms_free(tmp);
1739         return returned;
1740 }
1741
1742 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1743         const MSList *elem;
1744         LinphoneProxyConfig *found_cfg=NULL;
1745         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1746                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1747                 const char *domain=linphone_proxy_config_get_domain(cfg);
1748                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1749                         found_cfg=cfg;
1750                         break;
1751                 }
1752         }
1753         return found_cfg;
1754 }
1755
1756 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1757         LinphoneAddress *ctt;
1758         const char *localip=call->localip;
1759
1760         /* first use user's supplied ip address if asked*/
1761         if (linphone_core_get_firewall_policy(lc)==LINPHONE_POLICY_USE_NAT_ADDRESS){
1762                 ctt=linphone_core_get_primary_contact_parsed(lc);
1763                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1764                         linphone_core_get_nat_address(lc));
1765         }
1766
1767         /* if already choosed, don't change it */
1768         if (call->op && sal_op_get_contact(call->op)!=NULL){
1769                 return NULL;
1770         }
1771         /* if the ping OPTIONS request succeeded use the contact guessed from the
1772          received, rport*/
1773         if (call->ping_op){
1774                 const char *guessed=sal_op_get_contact(call->ping_op);
1775                 if (guessed){
1776                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
1777                         return ms_strdup(guessed);
1778                 }
1779         }
1780
1781         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
1782         if (dest_proxy && dest_proxy->op){
1783                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
1784                 if (fixed_contact) {
1785                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
1786                         return ms_strdup(fixed_contact);
1787                 }
1788         }
1789
1790         ctt=linphone_core_get_primary_contact_parsed(lc);
1791
1792         if (ctt!=NULL){
1793                 char *ret;
1794                 /*otherwise use supllied localip*/
1795                 linphone_address_set_domain(ctt,localip);
1796                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
1797                 ret=linphone_address_as_string_uri_only(ctt);
1798                 linphone_address_destroy(ctt);
1799                 ms_message("Contact has been fixed using local ip to %s",ret);
1800                 return ret;
1801         }
1802         return NULL;
1803 }
1804
1805 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
1806         int err;
1807         char *contact;
1808         char *real_url,*barmsg;
1809         char *from;
1810         /*try to be best-effort in giving real local or routable contact address */
1811         contact=get_fixed_contact(lc,call,dest_proxy);
1812         if (contact){
1813                 sal_op_set_contact(call->op, contact);
1814                 ms_free(contact);
1815         }
1816         call->state=LinphoneCallInit;
1817         //TODO : should probably not be done here
1818         if(!    linphone_core_in_call(lc) )
1819                 linphone_core_init_media_streams(lc,call);
1820         if (!lc->sip_conf.sdp_200_ack){
1821                 call->media_pending=TRUE;
1822                 sal_call_set_local_media_description(call->op,call->localdesc);
1823         }
1824         real_url=linphone_address_as_string(call->log->to);
1825         from=linphone_address_as_string(call->log->from);
1826         err=sal_call(call->op,from,real_url);
1827
1828         if (lc->sip_conf.sdp_200_ack){
1829                 call->media_pending=TRUE;
1830                 sal_call_set_local_media_description(call->op,call->localdesc);
1831         }
1832         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
1833         if (lc->vtable.display_status!=NULL)
1834                 lc->vtable.display_status(lc,barmsg);
1835         ms_free(barmsg);
1836
1837         if (err<0){
1838                 ms_warning("Could not initiate call.");
1839                 if (lc->vtable.display_status!=NULL)
1840                         lc->vtable.display_status(lc,_("could not call"));
1841                 if(call == linphone_core_get_current_call(lc))
1842                         linphone_core_stop_media_streams(lc,call);
1843                 linphone_call_set_terminated (call);
1844         }else gstate_new_state(lc, GSTATE_CALL_OUT_INVITE, real_url);
1845         ms_free(real_url);
1846         ms_free(from);
1847         return err;
1848 }
1849
1850 /**
1851  * Initiates an outgoing call
1852  *
1853  * @ingroup call_control
1854  * @param lc the LinphoneCore object
1855  * @param url the destination of the call (sip address, or phone number).
1856 **/
1857 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
1858         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
1859         if (addr){
1860                 LinphoneCall *call;
1861                 call=linphone_core_invite_address(lc,addr);
1862                 linphone_address_destroy(addr);
1863                 return call;
1864         }
1865         return NULL;
1866 }
1867
1868 /**
1869  * Initiates an outgoing call given a destination LinphoneAddress
1870  *
1871  * @ingroup call_control
1872  * @param lc the LinphoneCore object
1873  * @param url the destination of the call (sip address).
1874 **/
1875 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *real_parsed_url)
1876 {
1877         int err=0;
1878         const char *route=NULL;
1879         const char *from=NULL;
1880         LinphoneProxyConfig *proxy=NULL;
1881         LinphoneAddress *parsed_url2=NULL;
1882         char *real_url=NULL;
1883         LinphoneProxyConfig *dest_proxy=NULL;
1884         LinphoneCall *call;
1885
1886         if (linphone_core_in_call(lc)){
1887                 lc->vtable.display_warning(lc,_("Sorry, you have to pause or stop the current call first !"));
1888                 return NULL;
1889         }
1890         if(!linphone_core_can_we_add_call(lc)){
1891                 lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
1892                 return NULL;
1893         }
1894         linphone_core_get_default_proxy(lc,&proxy);
1895         route=linphone_core_get_route(lc);
1896
1897         real_url=linphone_address_as_string(real_parsed_url);
1898         dest_proxy=linphone_core_lookup_known_proxy(lc,real_parsed_url);
1899
1900         if (proxy!=dest_proxy && dest_proxy!=NULL) {
1901                 ms_message("Overriding default proxy setting for this call:");
1902                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
1903         }
1904
1905         if (dest_proxy!=NULL)
1906                 from=linphone_proxy_config_get_identity(dest_proxy);
1907         else if (proxy!=NULL)
1908                 from=linphone_proxy_config_get_identity(proxy);
1909
1910         /* if no proxy or no identity defined for this proxy, default to primary contact*/
1911         if (from==NULL) from=linphone_core_get_primary_contact(lc);
1912
1913         parsed_url2=linphone_address_new(from);
1914
1915         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(real_parsed_url));
1916         sal_op_set_route(call->op,route);
1917
1918         if(linphone_core_add_call(lc,call)!= 0)
1919         {
1920                 ms_warning("we had a problem in adding the call into the invite ... weird\n");
1921                 linphone_call_unref(call);
1922                 return NULL;
1923         }
1924         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
1925                 err=linphone_core_start_invite(lc,call,dest_proxy);
1926         }else{
1927                 /*defer the start of the call after the OPTIONS ping*/
1928                 call->state=LinphoneCallPreEstablishing;
1929                 call->ping_op=sal_op_new(lc->sal);
1930                 sal_ping(call->ping_op,from,real_url);
1931                 sal_op_set_user_pointer(call->ping_op,call);
1932                 call->start_time=time(NULL);
1933         }
1934
1935         if (real_url!=NULL) ms_free(real_url);
1936         return call;
1937 }
1938
1939 int linphone_core_refer(LinphoneCore *lc, LinphoneCall *call, const char *url)
1940 {
1941         char *real_url=NULL;
1942         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
1943
1944         if (!real_parsed_url){
1945                 /* bad url */
1946                 return -1;
1947         }
1948         if (call==NULL){
1949                 ms_warning("No established call to refer.");
1950                 return -1;
1951         }
1952         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
1953         real_url=linphone_address_as_string (real_parsed_url);
1954         sal_refer(call->op,real_url);
1955         ms_free(real_url);
1956         return 0;
1957 }
1958
1959 /**
1960  * Returns true if an incoming call is pending, ie waiting for being answered or declined.
1961  *
1962  * @ingroup call_control
1963 **/
1964 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
1965         LinphoneCall *call = linphone_core_get_current_call(lc);
1966         if(call != NULL)
1967         {
1968                 if(call->dir==LinphoneCallIncoming)
1969                         return TRUE;
1970         }
1971         return FALSE;
1972 }
1973
1974 void linphone_core_init_media_streams(LinphoneCore *lc, LinphoneCall *call){
1975 #ifdef PRINTF_DEBUG
1976         printf("%s(%d)\n",__FUNCTION__,__LINE__);
1977 #endif
1978         SalMediaDescription *md=call->localdesc;
1979         lc->audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
1980         if (linphone_core_echo_limiter_enabled(lc)){
1981                 const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
1982                 if (strcasecmp(type,"mic")==0)
1983                         audio_stream_enable_echo_limiter(lc->audiostream,ELControlMic);
1984                 else if (strcasecmp(type,"speaker")==0)
1985                         audio_stream_enable_echo_limiter(lc->audiostream,ELControlSpeaker);
1986         }
1987         audio_stream_enable_gain_control(lc->audiostream,TRUE);
1988         if (linphone_core_echo_cancellation_enabled(lc)){
1989                 int len,delay,framesize;
1990                 len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1991                 delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
1992                 framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
1993                 audio_stream_set_echo_canceller_params(lc->audiostream,len,delay,framesize);
1994         }
1995         audio_stream_enable_automatic_gain_control(lc->audiostream,linphone_core_agc_enabled(lc));
1996         {
1997                 int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
1998                 audio_stream_enable_noise_gate(lc->audiostream,enabled);
1999         }
2000         if (lc->a_rtp)
2001                 rtp_session_set_transports(lc->audiostream->session,lc->a_rtp,lc->a_rtcp);
2002
2003 #ifdef VIDEO_ENABLED
2004         if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0)
2005                 lc->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
2006 #else
2007         lc->videostream=NULL;
2008 #endif
2009 }
2010
2011 static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
2012
2013 static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
2014         LinphoneCore* lc = (LinphoneCore*)user_data;
2015         if (dtmf<0 || dtmf>15){
2016                 ms_warning("Bad dtmf value %i",dtmf);
2017                 return;
2018         }
2019         if (lc->vtable.dtmf_received != NULL)
2020                 lc->vtable.dtmf_received(lc, dtmf_tab[dtmf]);
2021 }
2022
2023 static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
2024         if (st->equalizer){
2025                 MSFilter *f=st->equalizer;
2026                 int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
2027                 const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
2028                 ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
2029                 if (enabled){
2030                         if (gains){
2031                                 do{
2032                                         int bytes;
2033                                         MSEqualizerGain g;
2034                                         if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
2035                                                 ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
2036                                                 ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
2037                                                 gains+=bytes;
2038                                         }else break;
2039                                 }while(1);
2040                         }
2041                 }
2042         }
2043 }
2044
2045 static void post_configure_audio_streams(LinphoneCore *lc){
2046         AudioStream *st=lc->audiostream;
2047         float gain=lp_config_get_float(lc->config,"sound","mic_gain",-1);
2048         if (gain!=-1)
2049                 audio_stream_set_mic_gain(st,gain);
2050         float recv_gain = lc->sound_conf.soft_play_lev;
2051         if (recv_gain != 0) {
2052                 linphone_core_set_soft_play_level(lc,recv_gain);
2053         }
2054         if (linphone_core_echo_limiter_enabled(lc)){
2055                 float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
2056                 float thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
2057                 float force=lp_config_get_float(lc->config,"sound","el_force",-1);
2058                 int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
2059                 MSFilter *f=NULL;
2060                 if (st->el_type==ELControlMic){
2061                         f=st->volsend;
2062                         if (speed==-1) speed=0.03;
2063                         if (force==-1) force=10;
2064                 }
2065                 else if (st->el_type==ELControlSpeaker){
2066                         f=st->volrecv;
2067                         if (speed==-1) speed=0.02;
2068                         if (force==-1) force=5;
2069                 }
2070                 if (speed!=-1)
2071                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
2072                 if (thres!=-1)
2073                         ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
2074                 if (force!=-1)
2075                         ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
2076                 if (sustain!=-1)
2077                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
2078
2079         }
2080         if (st->volsend){
2081                 float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
2082                 float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
2083                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
2084                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
2085         }
2086         parametrize_equalizer(lc,st);
2087         if (lc->vtable.dtmf_received!=NULL){
2088                 /* replace by our default action*/
2089                 audio_stream_play_received_dtmfs(lc->audiostream,FALSE);
2090                 rtp_session_signal_connect(lc->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
2091         }
2092 }
2093
2094 static RtpProfile *make_profile(LinphoneCore *lc, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
2095         int bw;
2096         const MSList *elem;
2097         RtpProfile *prof=rtp_profile_new("Call profile");
2098         bool_t first=TRUE;
2099         int remote_bw=0;
2100
2101         for(elem=desc->payloads;elem!=NULL;elem=elem->next){
2102                 PayloadType *pt=(PayloadType*)elem->data;
2103
2104                 if (first) {
2105                         if (desc->type==SalAudio){
2106                                 linphone_core_update_allocated_audio_bandwidth_in_call(lc,pt);
2107                         }
2108                         *used_pt=payload_type_get_number(pt);
2109                         first=FALSE;
2110                 }
2111                 if (desc->bandwidth>0) remote_bw=desc->bandwidth;
2112                 else if (md->bandwidth>0) {
2113                         /*case where b=AS is given globally, not per stream*/
2114                         remote_bw=md->bandwidth;
2115                         if (desc->type==SalVideo){
2116                                 remote_bw-=lc->audio_bw;
2117                         }
2118                 }
2119
2120                 if (desc->type==SalAudio){
2121                                 bw=get_min_bandwidth(lc->up_audio_bw,remote_bw);
2122                 }else bw=get_min_bandwidth(lc->up_video_bw,remote_bw);
2123                 if (bw>0) pt->normal_bitrate=bw*1000;
2124                 else if (desc->type==SalAudio){
2125                         pt->normal_bitrate=-1;
2126                 }
2127                 if (desc->ptime>0){
2128                         char tmp[40];
2129                         snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
2130                         payload_type_append_send_fmtp(pt,tmp);
2131                 }
2132                 rtp_profile_set_payload(prof,payload_type_get_number(pt),pt);
2133         }
2134         return prof;
2135 }
2136
2137 void linphone_core_start_media_streams(LinphoneCore *lc, LinphoneCall *call){
2138         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
2139         const char *tool="linphone-" LINPHONE_VERSION;
2140         char *cname;
2141         int used_pt=-1;
2142         if(lc->audiostream == NULL)
2143         {
2144                 ms_warning("init media stream is needed before starting");
2145                 linphone_core_init_media_streams(lc,call);
2146                 /*
2147                  * example of problem :
2148                  * 2 incomings calls, you answer and pause one, afterward if you try to answer the other call you will get SEGFAULT
2149                  */
2150         }
2151         /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
2152         int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
2153
2154         if (call->media_start_time==0) call->media_start_time=time(NULL);
2155
2156         cname=linphone_address_as_string_uri_only(me);
2157         {
2158                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
2159                                                         SalProtoRtpAvp,SalAudio);
2160                 if (stream){
2161                         call->audio_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
2162                         if (!lc->use_files){
2163                                 MSSndCard *playcard=lc->sound_conf.lsd_card ?
2164                                         lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
2165                                 MSSndCard *captcard=lc->sound_conf.capt_sndcard;
2166                                 if (playcard==NULL) {
2167                                         ms_warning("No card defined for playback !");
2168                                         goto end;
2169                                 }
2170                                 if (captcard==NULL) {
2171                                         ms_warning("No card defined for capture !");
2172                                         goto end;
2173                                 }
2174                                 audio_stream_start_now(
2175                                         lc->audiostream,
2176                                         call->audio_profile,
2177                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
2178                                         stream->port,
2179                                         stream->port+1,
2180                                         used_pt,
2181                                         jitt_comp,
2182                                         playcard,
2183                                         captcard,
2184                                         linphone_core_echo_cancellation_enabled(lc));
2185                         }else{
2186                                 audio_stream_start_with_files(
2187                                         lc->audiostream,
2188                                         call->audio_profile,
2189                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
2190                                         stream->port,
2191                                         stream->port+1,
2192                                         used_pt,
2193                                         100,
2194                                         lc->play_file,
2195                                         lc->rec_file);
2196                         }
2197                         post_configure_audio_streams(lc);
2198                         audio_stream_set_rtcp_information(lc->audiostream, cname, tool);
2199                 }else ms_warning("No audio stream defined ?");
2200         }
2201 #ifdef VIDEO_ENABLED
2202         {
2203                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
2204                                                         SalProtoRtpAvp,SalVideo);
2205                 /* shutdown preview */
2206                 if (lc->previewstream!=NULL) {
2207                         video_preview_stop(lc->previewstream);
2208                         lc->previewstream=NULL;
2209                 }
2210                 if (stream && (lc->video_conf.display || lc->video_conf.capture)) {
2211                         const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
2212                         call->video_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
2213                         video_stream_set_sent_video_size(lc->videostream,linphone_core_get_preferred_video_size(lc));
2214                         video_stream_enable_self_view(lc->videostream,lc->video_conf.selfview);
2215                         if (lc->video_conf.display && lc->video_conf.capture)
2216                                 video_stream_start(lc->videostream,
2217                                 call->video_profile, addr, stream->port,
2218                                 stream->port+1,
2219                                 used_pt, jitt_comp, lc->video_conf.device);
2220                         else if (lc->video_conf.display)
2221                                 video_stream_recv_only_start(lc->videostream,
2222                                 call->video_profile, addr, stream->port,
2223                                 used_pt, jitt_comp);
2224                         else if (lc->video_conf.capture)
2225                                 video_stream_send_only_start(lc->videostream,
2226                                 call->video_profile, addr, stream->port,
2227                                 stream->port+1,
2228                                 used_pt, jitt_comp, lc->video_conf.device);
2229                         video_stream_set_rtcp_information(lc->videostream, cname,tool);
2230                 }
2231         }
2232 #endif
2233         goto end;
2234         end:
2235                 ms_free(cname);
2236                 linphone_address_destroy(me);
2237                 call->state=LinphoneCallAVRunning;
2238 }
2239
2240 static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
2241         audio_stream_get_local_rtp_stats (st,&log->local_stats);
2242 }
2243
2244 void linphone_core_stop_media_streams(LinphoneCore *lc, LinphoneCall *call){
2245 #ifdef PRINTF_DEBUG
2246         printf("%s(%d)\n",__FUNCTION__,__LINE__);
2247 #endif
2248         if (lc->audiostream!=NULL) {
2249                 linphone_call_log_fill_stats (call->log,lc->audiostream);
2250                 audio_stream_stop(lc->audiostream);
2251                 lc->audiostream=NULL;
2252         }
2253 #ifdef VIDEO_ENABLED
2254         if (lc->videostream!=NULL){
2255                 if (lc->video_conf.display && lc->video_conf.capture)
2256                         video_stream_stop(lc->videostream);
2257                 else if (lc->video_conf.display)
2258                         video_stream_recv_only_stop(lc->videostream);
2259                 else if (lc->video_conf.capture)
2260                         video_stream_send_only_stop(lc->videostream);
2261                 lc->videostream=NULL;
2262         }
2263         if (linphone_core_video_preview_enabled(lc)){
2264                 if (lc->previewstream==NULL){
2265                         lc->previewstream=video_preview_start(lc->video_conf.device, lc->video_conf.vsize);
2266                 }
2267         }
2268 #endif
2269         if (call->audio_profile){
2270                 rtp_profile_clear_all(call->audio_profile);
2271                 rtp_profile_destroy(call->audio_profile);
2272                 call->audio_profile=NULL;
2273         }
2274         if (call->video_profile){
2275                 rtp_profile_clear_all(call->video_profile);
2276                 rtp_profile_destroy(call->video_profile);
2277                 call->video_profile=NULL;
2278         }
2279 }
2280
2281 /**
2282  * Accept an incoming call.
2283  *
2284  * @ingroup call_control
2285  * Basically the application is notified of incoming calls within the
2286  * invite_recv callback of the #LinphoneCoreVTable structure.
2287  * The application can later respond positively to the call using
2288  * this method.
2289  * @param lc the LinphoneCore object
2290  * @param url the SIP address of the originator of the call, or NULL.
2291  *            This argument is useful for managing multiple calls simulatenously,
2292  *            however this feature is not supported yet.
2293  *            Using NULL will accept the unique incoming call in progress.
2294 **/
2295 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
2296 {
2297         LinphoneProxyConfig *cfg=NULL;
2298         const char *contact=NULL;
2299
2300         if (call==NULL){
2301                 //if just one call is present answer the only one ...
2302                 if(ms_list_size(linphone_core_get_calls(lc)) != 1)
2303                         return -1;
2304                 else
2305                         call = linphone_core_get_calls(lc)->data;
2306         }
2307
2308         if (call->state==LinphoneCallAVRunning){
2309                 /*call already accepted*/
2310                 return -1;
2311         }
2312
2313         /*stop ringing */
2314         if (lc->ringstream!=NULL) {
2315                 ms_message("stop ringing");
2316                 ring_stop(lc->ringstream);
2317                 ms_message("ring stopped");
2318                 lc->ringstream=NULL;
2319         }
2320         if(linphone_core_set_as_current_call(lc,call)!=0)
2321         {
2322                 ms_message("another call is already in process\n");
2323         }
2324
2325         linphone_core_get_default_proxy(lc,&cfg);
2326         /*try to be best-effort in giving real local or routable contact address*/
2327         contact=get_fixed_contact(lc,call,cfg);
2328         if (contact)
2329                 sal_op_set_contact(call->op,contact);
2330
2331         sal_call_accept(call->op);
2332         if (lc->vtable.display_status!=NULL)
2333                 lc->vtable.display_status(lc,_("Connected."));
2334         gstate_new_state(lc, GSTATE_CALL_IN_CONNECTED, NULL);
2335         call->resultdesc=sal_call_get_final_media_description(call->op);
2336         if (call->resultdesc){
2337                 sal_media_description_ref(call->resultdesc);
2338                 if(call == linphone_core_get_current_call(lc))
2339                         linphone_core_start_media_streams(lc, call);
2340         }else call->media_pending=TRUE;
2341         ms_message("call answered.");
2342         return 0;
2343 }
2344
2345 /**
2346  * Terminates a call.
2347  *
2348  * @ingroup call_control
2349  * @param lc The LinphoneCore
2350  * @param url the destination of the call to be terminated, use NULL if there is
2351  *            only one call (which is case in this version of liblinphone).
2352 **/
2353 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2354 {
2355         LinphoneCall *call;
2356         if (the_call == NULL){
2357                 call = linphone_core_get_current_call(lc);
2358                 if(call == NULL)
2359                 {
2360                         return -1;
2361                 }
2362         }
2363         else
2364         {
2365                 call = the_call;
2366         }
2367         sal_call_terminate(call->op);
2368
2369         /*stop ringing*/
2370         if (lc->ringstream!=NULL) {
2371                 ring_stop(lc->ringstream);
2372                 lc->ringstream=NULL;
2373         }
2374         if(call == linphone_core_get_current_call(lc))
2375                 linphone_core_stop_media_streams(lc,call);
2376         if (lc->vtable.display_status!=NULL)
2377                 lc->vtable.display_status(lc,_("Call ended") );
2378         gstate_new_state(lc, GSTATE_CALL_END, NULL);
2379         linphone_call_set_terminated(call);
2380         return 0;
2381 }
2382
2383 /**
2384  * Terminates all the calls.
2385  *
2386  * @ingroup call_control
2387  * @param lc The LinphoneCore
2388 **/
2389 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2390         while(lc->calls)
2391         {
2392                 LinphoneCall *the_call = lc->calls->data;
2393                 linphone_core_terminate_call(lc,the_call);
2394         }
2395         ms_list_free(lc->calls);
2396         return -1;
2397 }
2398
2399 /**
2400  * Returns the calls MSList
2401  *
2402  * @ingroup call_control
2403 **/
2404 MSList *linphone_core_get_calls(LinphoneCore *lc)
2405 {
2406         return ms_list_copy(lc->calls);
2407 }
2408
2409 /**
2410  * Returns TRUE if there is a call running or pending.
2411  *
2412  * @ingroup call_control
2413 **/
2414 bool_t linphone_core_in_call(const LinphoneCore *lc){
2415         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL;
2416 }
2417
2418 /**
2419  * Returns The _LinphoneCall struct of the current call if one is in call
2420  *
2421  * @ingroup call_control
2422 **/
2423 LinphoneCall *linphone_core_get_current_call(LinphoneCore *lc)
2424 {
2425         if(lc->current_call != NULL)
2426                 return lc->current_call;
2427         return NULL;
2428 }
2429
2430 /**
2431  * Permits to pause the call
2432  *
2433  * @ingroup call_control
2434 **/
2435 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *the_call)
2436 {
2437         LinphoneCall *call = the_call;
2438         if(lc == NULL)
2439         {
2440                 ms_error("LinphoneCore was null\n");
2441                 return -1;
2442         }
2443         if(call == NULL)
2444         {
2445                 if(linphone_core_in_call(lc))
2446                 {
2447                         call = linphone_core_get_current_call(lc);
2448                 }
2449                 else
2450                 {
2451                         ms_error("LinphoneCall was null\n");
2452                         return -2;
2453                 }
2454         }
2455         if(linphone_core_get_current_call(lc) != call)
2456         {
2457                 ms_error("The call asked to be paused was not the current on\n");
2458                 return -3;
2459         }
2460         if(sal_call_hold(call->op,TRUE) != 0)
2461         {
2462                 lc->vtable.display_warning(lc,_("Could not pause the call"));
2463         }
2464         call->state = LinphoneCallPaused;
2465         linphone_core_unset_the_current_call(lc);
2466         linphone_core_stop_media_streams(lc,call);
2467         //have to be done ... because if another call is incoming before this pause, you will get sound on the end point paused
2468         linphone_core_init_media_streams(lc,call);
2469         lc->vtable.display_status(lc,_("Pause the current call"));
2470         return 0;
2471 }
2472
2473 /**
2474  * Permits to resume the call
2475  *
2476  * @ingroup call_control
2477 **/
2478 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2479 {
2480         char temp[255];
2481         LinphoneCall *call = the_call;
2482         if(lc == NULL)
2483         {
2484                 ms_error("LinphoneCore was null\n");
2485                 return -1;
2486         }
2487         if(call == NULL)
2488         {
2489                 MSList *calls = linphone_core_get_calls(lc);
2490                 if(ms_list_size(calls) == 1)
2491                 {
2492                         call = ((LinphoneCall *)calls->data);
2493                         ms_list_free(calls);
2494                 }
2495                 else
2496                 {
2497                         ms_error("LinphoneCall was null\n");
2498                         ms_list_free(calls);
2499                         return -2;
2500                 }
2501         }
2502         if(call->state ==  LinphoneCallInit || call->state ==  LinphoneCallPreEstablishing || call->state ==  LinphoneCallRinging )
2503         {
2504                 ms_warning("we cannot resume a call when the communication is not established");
2505                 return -3;
2506         }
2507         if(linphone_core_get_current_call(lc) != NULL)
2508         {
2509                 ms_error("There is already a call in process pause or stop it first\n");
2510                 return -4;
2511         }
2512         linphone_core_init_media_streams(lc,call);
2513         if(sal_call_hold(call->op,FALSE) != 0)
2514         {
2515                 lc->vtable.display_warning(lc,_("Could not resume the call"));
2516         }
2517         call->state = LinphoneCallAVRunning;
2518         linphone_core_set_as_current_call(lc,call);
2519         linphone_core_start_media_streams(lc,call);
2520         snprintf(temp,sizeof(temp),"Resume the call with %s",linphone_call_get_remote_address_as_string(call));
2521         lc->vtable.display_status(lc,temp);
2522
2523         return 0;
2524 }
2525
2526 /**
2527  * Compare the remote address with the one in call
2528  *
2529  * @param a the call
2530  * @param b the remote address to compare with
2531  * @return 0 if it's the good call else 1
2532  */
2533 static int linphone_call_remote_address_compare(const void * a, const void * b)
2534 {
2535         if(b == NULL || a ==NULL)
2536                 return 1;
2537         char *the_remote_address = ((char *)b);
2538         LinphoneCall *call = ((LinphoneCall *)a);
2539 #ifdef DEBUG
2540         ms_message("the remote address:%s\n",the_remote_address);
2541         ms_message("the call:%p => %s\n",call,linphone_call_get_remote_address_as_string(call));
2542 #endif
2543         if(!strcmp(linphone_call_get_remote_address_as_string(call),the_remote_address))
2544         {
2545                 return 0;
2546         }
2547         return 1;
2548 }
2549
2550 /**
2551  * Get the call with the remote_address specified
2552  * @param lc
2553  * @param remote_address
2554  * @return the LinphoneCall of the call if found
2555  */
2556 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2557
2558         MSList *the_call = ms_list_find_custom(lc->calls,linphone_call_remote_address_compare,(void *)remote_address);
2559         if(the_call != NULL)
2560         {
2561                 return ((LinphoneCall *)the_call->data);
2562         }
2563         return NULL;
2564 }
2565
2566 int linphone_core_send_publish(LinphoneCore *lc,
2567                                LinphoneOnlineStatus presence_mode)
2568 {
2569         const MSList *elem;
2570         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2571                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2572                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2573         }
2574         return 0;
2575 }
2576
2577 /**
2578  * Set the incoming call timeout in seconds.
2579  *
2580  * @ingroup call_control
2581  * If an incoming call isn't answered for this timeout period, it is
2582  * automatically declined.
2583 **/
2584 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2585         lc->sip_conf.inc_timeout=seconds;
2586 }
2587
2588 /**
2589  * Returns the incoming call timeout
2590  *
2591  * @ingroup call_control
2592  * See linphone_core_set_inc_timeout() for details.
2593 **/
2594 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2595         return lc->sip_conf.inc_timeout;
2596 }
2597
2598 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2599                                                                                                         const char *contact,
2600                                                                                                         LinphoneOnlineStatus presence_mode)
2601 {
2602         if (minutes_away>0) lc->minutes_away=minutes_away;
2603
2604         if (lc->alt_contact!=NULL) {
2605                 ms_free(lc->alt_contact);
2606                 lc->alt_contact=NULL;
2607         }
2608         if (contact) lc->alt_contact=ms_strdup(contact);
2609         if (lc->presence_mode!=presence_mode){
2610                 linphone_core_notify_all_friends(lc,presence_mode);
2611                 /*
2612                    Improve the use of all LINPHONE_STATUS available.
2613                    !TODO Do not mix "presence status" with "answer status code"..
2614                    Use correct parameter to follow sip_if_match/sip_etag.
2615                  */
2616                 linphone_core_send_publish(lc,presence_mode);
2617         }
2618         lc->prev_mode=lc->presence_mode;
2619         lc->presence_mode=presence_mode;
2620 }
2621
2622 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2623         return lc->presence_mode;
2624 }
2625
2626 /**
2627  * Get playback sound level in 0-100 scale.
2628  *
2629  * @ingroup media_parameters
2630 **/
2631 int linphone_core_get_play_level(LinphoneCore *lc)
2632 {
2633         return lc->sound_conf.play_lev;
2634 }
2635
2636 /**
2637  * Get ring sound level in 0-100 scale
2638  *
2639  * @ingroup media_parameters
2640 **/
2641 int linphone_core_get_ring_level(LinphoneCore *lc)
2642 {
2643         return lc->sound_conf.ring_lev;
2644 }
2645
2646 /**
2647  * Get sound capture level in 0-100 scale
2648  *
2649  * @ingroup media_parameters
2650 **/
2651 int linphone_core_get_rec_level(LinphoneCore *lc){
2652         return lc->sound_conf.rec_lev;
2653 }
2654
2655 /**
2656  * Set sound ring level in 0-100 scale
2657  *
2658  * @ingroup media_parameters
2659 **/
2660 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2661         MSSndCard *sndcard;
2662         lc->sound_conf.ring_lev=level;
2663         sndcard=lc->sound_conf.ring_sndcard;
2664         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2665 }
2666
2667
2668 void linphone_core_set_soft_play_level(LinphoneCore *lc, float level){
2669         float gain=level;
2670         lc->sound_conf.soft_play_lev=level;
2671         AudioStream *st=lc->audiostream;
2672         if (!st) return; /*just return*/
2673
2674         if (st->volrecv){
2675                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2676         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2677 }
2678 float linphone_core_get_soft_play_level(LinphoneCore *lc) {
2679         float gain=0;
2680         AudioStream *st=lc->audiostream;
2681         if (st->volrecv){
2682                 ms_filter_call_method(st->volrecv,MS_VOLUME_GET,&gain);
2683         }else ms_warning("Could not get gain: gain control wasn't activated.");
2684
2685         return gain;
2686 }
2687
2688 /**
2689  * Set sound playback level in 0-100 scale
2690  *
2691  * @ingroup media_parameters
2692 **/
2693 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2694         MSSndCard *sndcard;
2695         lc->sound_conf.play_lev=level;
2696         sndcard=lc->sound_conf.play_sndcard;
2697         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2698 }
2699
2700 /**
2701  * Set sound capture level in 0-100 scale
2702  *
2703  * @ingroup media_parameters
2704 **/
2705 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2706 {
2707         MSSndCard *sndcard;
2708         lc->sound_conf.rec_lev=level;
2709         sndcard=lc->sound_conf.capt_sndcard;
2710         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2711 }
2712
2713 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2714         MSSndCard *sndcard=NULL;
2715         if (devid!=NULL){
2716                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2717                 if (sndcard!=NULL &&
2718                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2719                         ms_warning("%s card does not have the %s capability, ignoring.",
2720                                 devid,
2721                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2722                         sndcard=NULL;
2723                 }
2724         }
2725         if (sndcard==NULL) {
2726                 /* get a card that has read+write capabilities */
2727                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2728                 /* otherwise refine to the first card having the right capability*/
2729                 if (sndcard==NULL){
2730                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2731                         for(;elem!=NULL;elem=elem->next){
2732                                 sndcard=(MSSndCard*)elem->data;
2733                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2734                         }
2735                 }
2736                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2737                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2738                         if (elem) sndcard=(MSSndCard*)elem->data;
2739         }
2740         }
2741         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2742         return sndcard;
2743 }
2744
2745 /**
2746  * Returns true if the specified sound device can capture sound.
2747  *
2748  * @ingroup media_parameters
2749  * @param devid the device name as returned by linphone_core_get_sound_devices()
2750 **/
2751 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2752         MSSndCard *sndcard;
2753         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2754         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2755         return FALSE;
2756 }
2757
2758 /**
2759  * Returns true if the specified sound device can play sound.
2760  *
2761  * @ingroup media_parameters
2762  * @param devid the device name as returned by linphone_core_get_sound_devices()
2763 **/
2764 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2765         MSSndCard *sndcard;
2766         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2767         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2768         return FALSE;
2769 }
2770
2771 /**
2772  * Sets the sound device used for ringing.
2773  *
2774  * @ingroup media_parameters
2775  * @param devid the device name as returned by linphone_core_get_sound_devices()
2776 **/
2777 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2778         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2779         lc->sound_conf.ring_sndcard=card;
2780         if (card && lc->ready)
2781                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2782         return 0;
2783 }
2784
2785 /**
2786  * Sets the sound device used for playback.
2787  *
2788  * @ingroup media_parameters
2789  * @param devid the device name as returned by linphone_core_get_sound_devices()
2790 **/
2791 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2792         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2793         lc->sound_conf.play_sndcard=card;
2794         if (card && lc->ready)
2795                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2796         return 0;
2797 }
2798
2799 /**
2800  * Sets the sound device used for capture.
2801  *
2802  * @ingroup media_parameters
2803  * @param devid the device name as returned by linphone_core_get_sound_devices()
2804 **/
2805 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2806         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2807         lc->sound_conf.capt_sndcard=card;
2808         if (card && lc->ready)
2809                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2810         return 0;
2811 }
2812
2813 /**
2814  * Returns the name of the currently assigned sound device for ringing.
2815  *
2816  * @ingroup media_parameters
2817 **/
2818 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2819 {
2820         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2821         return NULL;
2822 }
2823
2824 /**
2825  * Returns the name of the currently assigned sound device for playback.
2826  *
2827  * @ingroup media_parameters
2828 **/
2829 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2830 {
2831         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2832 }
2833
2834 /**
2835  * Returns the name of the currently assigned sound device for capture.
2836  *
2837  * @ingroup media_parameters
2838 **/
2839 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2840 {
2841         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2842 }
2843
2844 /**
2845  * Returns an unmodifiable array of available sound devices.
2846  *
2847  * @ingroup media_parameters
2848  * The array is NULL terminated.
2849 **/
2850 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2851         build_sound_devices_table(lc);
2852         return lc->sound_conf.cards;
2853 }
2854
2855 /**
2856  * Returns an unmodifiable array of available video capture devices.
2857  *
2858  * @ingroup media_parameters
2859  * The array is NULL terminated.
2860 **/
2861 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2862         return lc->video_conf.cams;
2863 }
2864
2865 char linphone_core_get_sound_source(LinphoneCore *lc)
2866 {
2867         return lc->sound_conf.source;
2868 }
2869
2870 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2871 {
2872         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2873         lc->sound_conf.source=source;
2874         if (!sndcard) return;
2875         switch(source){
2876                 case 'm':
2877                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2878                         break;
2879                 case 'l':
2880                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2881                         break;
2882         }
2883
2884 }
2885
2886
2887 /**
2888  * Sets the path to a wav file used for ringing.
2889  *
2890  * The file must be a wav 16bit linear.
2891  *
2892  * @ingroup media_parameters
2893 **/
2894 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
2895         if (lc->sound_conf.local_ring!=0){
2896                 ms_free(lc->sound_conf.local_ring);
2897         }
2898         lc->sound_conf.local_ring=ms_strdup(path);
2899         if (lc->ready && lc->sound_conf.local_ring)
2900                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
2901 }
2902
2903 /**
2904  * Returns the path to the wav file used for ringing.
2905  *
2906  * @ingroup media_parameters
2907 **/
2908 const char *linphone_core_get_ring(const LinphoneCore *lc){
2909         return lc->sound_conf.local_ring;
2910 }
2911
2912 static void notify_end_of_ring(void *ud ,unsigned int event, void * arg){
2913         LinphoneCore *lc=(LinphoneCore*)ud;
2914         lc->preview_finished=1;
2915 }
2916
2917 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
2918 {
2919         if (lc->ringstream!=0){
2920                 ms_warning("Cannot start ring now,there's already a ring being played");
2921                 return -1;
2922         }
2923         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
2924         lc->preview_finished=0;
2925         if (lc->sound_conf.ring_sndcard!=NULL){
2926                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2927                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
2928         }
2929         return 0;
2930 }
2931
2932 /**
2933  * Sets the path to a wav file used for ringing back.
2934  *
2935  * Ringback means the ring that is heard when it's ringing at the remote party.
2936  * The file must be a wav 16bit linear.
2937  *
2938  * @ingroup media_parameters
2939 **/
2940 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
2941         if (lc->sound_conf.remote_ring!=0){
2942                 ms_free(lc->sound_conf.remote_ring);
2943         }
2944         lc->sound_conf.remote_ring=ms_strdup(path);
2945 }
2946
2947 /**
2948  * Returns the path to the wav file used for ringing back.
2949  *
2950  * @ingroup media_parameters
2951 **/
2952 const char * linphone_core_get_ringback(const LinphoneCore *lc){
2953         return lc->sound_conf.remote_ring;
2954 }
2955
2956 /**
2957  * Enables or disable echo cancellation.
2958  *
2959  * @ingroup media_parameters
2960 **/
2961 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
2962         lc->sound_conf.ec=val;
2963         if (lc->ready)
2964                 lp_config_set_int(lc->config,"sound","echocancellation",val);
2965 }
2966
2967 /**
2968  * Returns TRUE if echo cancellation is enabled.
2969  *
2970  * @ingroup media_parameters
2971 **/
2972 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
2973         return lc->sound_conf.ec;
2974 }
2975
2976 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
2977         lc->sound_conf.ea=val;
2978 }
2979
2980 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
2981         return lc->sound_conf.ea;
2982 }
2983
2984 /**
2985  * Mutes or unmutes the local microphone.
2986  *
2987  * @ingroup media_parameters
2988 **/
2989 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
2990         if (lc->audiostream!=NULL){
2991                  audio_stream_set_mic_gain(lc->audiostream,
2992                         (val==TRUE) ? 0 : 1.0);
2993         }
2994 }
2995
2996 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
2997         float gain=1.0;
2998         if (lc->audiostream && lc->audiostream->volsend){
2999                         ms_filter_call_method(lc->audiostream->volsend,MS_VOLUME_GET_GAIN,&gain);
3000         }else ms_warning("Could not get gain: gain control wasn't activated. ");
3001
3002         return gain==0;
3003 }
3004
3005 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3006         lc->sound_conf.agc=val;
3007 }
3008
3009 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3010         return lc->sound_conf.agc;
3011 }
3012
3013 /**
3014  * Send the specified dtmf.
3015  *
3016  * @ingroup media_parameters
3017  * This function only works during calls. The dtmf is automatically played to the user.
3018  * @param lc The LinphoneCore object
3019  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3020  *
3021 **/
3022 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3023 {
3024         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3025         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3026         {
3027                 /* In Band DTMF */
3028                 if (lc->audiostream!=NULL){
3029                         audio_stream_send_dtmf(lc->audiostream,dtmf);
3030                 }
3031                 else
3032                 {
3033                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3034                 }
3035         }
3036         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3037                 /* Out of Band DTMF (use INFO method) */
3038                 LinphoneCall *call=linphone_core_get_current_call(lc);
3039                 if (call==NULL){
3040                         return;
3041                 }
3042                 sal_call_send_dtmf(call->op,dtmf);
3043         }
3044 }
3045
3046 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3047         if (lc->net_conf.stun_server!=NULL)
3048                 ms_free(lc->net_conf.stun_server);
3049         if (server)
3050                 lc->net_conf.stun_server=ms_strdup(server);
3051         else lc->net_conf.stun_server=NULL;
3052 }
3053
3054 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3055         return lc->net_conf.stun_server;
3056 }
3057
3058 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3059         return lc->net_conf.relay;
3060 }
3061
3062 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3063         if (lc->net_conf.relay!=NULL){
3064                 ms_free(lc->net_conf.relay);
3065                 lc->net_conf.relay=NULL;
3066         }
3067         if (addr){
3068                 lc->net_conf.relay=ms_strdup(addr);
3069         }
3070         return 0;
3071 }
3072
3073 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3074 {
3075         if (lc->net_conf.nat_address!=NULL){
3076                 ms_free(lc->net_conf.nat_address);
3077         }
3078         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3079         else lc->net_conf.nat_address=NULL;
3080         if (lc->sip_conf.contact) update_primary_contact(lc);
3081 }
3082
3083 const char *linphone_core_get_nat_address(const LinphoneCore *lc)
3084 {
3085         return lc->net_conf.nat_address;
3086 }
3087
3088 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3089         lc->net_conf.firewall_policy=pol;
3090         if (lc->sip_conf.contact) update_primary_contact(lc);
3091 }
3092
3093 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3094         return lc->net_conf.firewall_policy;
3095 }
3096
3097 /**
3098  * Get the list of call logs (past calls).
3099  *
3100  * @ingroup call_logs
3101 **/
3102 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3103         lc->missed_calls=0;
3104         return lc->call_logs;
3105 }
3106
3107 /**
3108  * Erase the call log.
3109  *
3110  * @ingroup call_logs
3111 **/
3112 void linphone_core_clear_call_logs(LinphoneCore *lc){
3113         lc->missed_calls=0;
3114         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3115         lc->call_logs=ms_list_free(lc->call_logs);
3116         call_logs_write_to_config_file(lc);
3117 }
3118
3119 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3120 #ifdef VIDEO_ENABLED
3121         if (lc->videostream==NULL){
3122                 if (val){
3123                         if (lc->previewstream==NULL){
3124                                 lc->previewstream=video_preview_start(lc->video_conf.device,
3125                                                         lc->video_conf.vsize);
3126                         }
3127                 }else{
3128                         if (lc->previewstream!=NULL){
3129                                 video_preview_stop(lc->previewstream);
3130                                 lc->previewstream=NULL;
3131                         }
3132                 }
3133         }
3134 #endif
3135 }
3136
3137 /**
3138  * Enables video globally.
3139  *
3140  * @ingroup media_parameters
3141  * This function does not have any effect during calls. It just indicates LinphoneCore to
3142  * initiate future calls with video or not. The two boolean parameters indicate in which
3143  * direction video is enabled. Setting both to false disables video entirely.
3144  *
3145  * @param vcap_enabled indicates whether video capture is enabled
3146  * @param display_enabled indicates whether video display should be shown
3147  *
3148 **/
3149 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3150 #ifndef VIDEO_ENABLED
3151         if (vcap_enabled || display_enabled)
3152                 ms_warning("This version of linphone was built without video support.");
3153 #endif
3154         lc->video_conf.capture=vcap_enabled;
3155         lc->video_conf.display=display_enabled;
3156
3157         /* need to re-apply network bandwidth settings*/
3158         linphone_core_set_download_bandwidth(lc,
3159                 linphone_core_get_download_bandwidth(lc));
3160         linphone_core_set_upload_bandwidth(lc,
3161                 linphone_core_get_upload_bandwidth(lc));
3162 }
3163
3164 /**
3165  * Returns TRUE if video is enabled, FALSE otherwise.
3166  * @ingroup media_parameters
3167 **/
3168 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3169         return (lc->video_conf.display || lc->video_conf.capture);
3170 }
3171
3172 /**
3173  * Controls video preview enablement.
3174  *
3175  * @ingroup media_parameters
3176  * Video preview refers to the action of displaying the local webcam image
3177  * to the user while not in call.
3178 **/
3179 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3180         lc->video_conf.show_local=val;
3181 }
3182
3183 /**
3184  * Returns TRUE if video previewing is enabled.
3185  * @ingroup media_parameters
3186 **/
3187 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3188         return lc->video_conf.show_local;
3189 }
3190
3191 /**
3192  * Enables or disable self view during calls.
3193  *
3194  * @ingroup media_parameters
3195  * Self-view refers to having local webcam image inserted in corner
3196  * of the video window during calls.
3197  * This function works at any time, including during calls.
3198 **/
3199 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3200         lc->video_conf.selfview=val;
3201 #ifdef VIDEO_ENABLED
3202         if (lc->videostream){
3203                 video_stream_enable_self_view(lc->videostream,val);
3204         }
3205 #endif
3206 }
3207
3208 /**
3209  * Returns TRUE if self-view is enabled, FALSE otherwise.
3210  *
3211  * @ingroup media_parameters
3212  *
3213  * Refer to linphone_core_enable_self_view() for details.
3214 **/
3215 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3216         return lc->video_conf.selfview;
3217 }
3218
3219 /**
3220  * Sets the active video device.
3221  *
3222  * @ingroup media_parameters
3223  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3224 **/
3225 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3226         MSWebCam *olddev=lc->video_conf.device;
3227         const char *vd;
3228         if (id!=NULL){
3229                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3230                 if (lc->video_conf.device==NULL){
3231                         ms_warning("Could not found video device %s",id);
3232                 }
3233         }
3234         if (lc->video_conf.device==NULL)
3235                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3236         if (olddev!=NULL && olddev!=lc->video_conf.device){
3237                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3238         }
3239         if (lc->ready && lc->video_conf.device){
3240                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3241                 if (vd && strstr(vd,"Static picture")!=NULL){
3242                         vd=NULL;
3243                 }
3244                 lp_config_set_string(lc->config,"video","device",vd);
3245         }
3246         return 0;
3247 }
3248
3249 /**
3250  * Returns the name of the currently active video device.
3251  *
3252  * @ingroup media_parameters
3253 **/
3254 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3255         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3256         return NULL;
3257 }
3258
3259 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3260 #ifdef VIDEO_ENABLED
3261         VideoStream *vs = NULL;
3262         /* Select the video stream from the call in the first place */
3263         if (lc && lc->videostream) {
3264                 vs = lc->videostream;
3265         }
3266         /* If not in call, select the video stream from the preview */
3267         if (vs == NULL && lc && lc->previewstream) {
3268                 vs = lc->previewstream;
3269         }
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_IMAGE,
3277                                                                                                                 (void *)path);
3278                 }
3279         }
3280
3281         /* Tell the static image filter to use that image from now on so
3282                  that the image will be used next time it has to be read */
3283         ms_static_image_set_default_image(path);
3284 #else
3285         ms_warning("Video support not compiled.");
3286 #endif
3287         return 0;
3288 }
3289
3290 /**
3291  * Returns the native window handle of the video window, casted as an unsigned long.
3292  *
3293  * @ingroup media_parameters
3294 **/
3295 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3296 #ifdef VIDEO_ENABLED
3297         if (lc->videostream)
3298                 return video_stream_get_native_window_id(lc->videostream);
3299         if (lc->previewstream)
3300                 return video_stream_get_native_window_id(lc->previewstream);
3301 #endif
3302         return 0;
3303 }
3304
3305 static MSVideoSizeDef supported_resolutions[]={
3306         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3307         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3308         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3309         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3310         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3311         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3312         {       {0,0}                   ,       NULL    }
3313 };
3314
3315 /**
3316  * Returns the zero terminated table of supported video resolutions.
3317  *
3318  * @ingroup media_parameters
3319 **/
3320 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3321         return supported_resolutions;
3322 }
3323
3324 static MSVideoSize video_size_get_by_name(const char *name){
3325         MSVideoSizeDef *pdef=supported_resolutions;
3326         MSVideoSize null_vsize={0,0};
3327         for(;pdef->name!=NULL;pdef++){
3328                 if (strcasecmp(name,pdef->name)==0){
3329                         return pdef->vsize;
3330                 }
3331         }
3332         ms_warning("Video resolution %s is not supported in linphone.",name);
3333         return null_vsize;
3334 }
3335
3336 static const char *video_size_get_name(MSVideoSize vsize){
3337         MSVideoSizeDef *pdef=supported_resolutions;
3338         for(;pdef->name!=NULL;pdef++){
3339                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3340                         return pdef->name;
3341                 }
3342         }
3343         return NULL;
3344 }
3345
3346 static bool_t video_size_supported(MSVideoSize vsize){
3347         if (video_size_get_name(vsize)) return TRUE;
3348         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3349         return FALSE;
3350 }
3351
3352 /**
3353  * Sets the preferred video size.
3354  *
3355  * @ingroup media_parameters
3356  * This applies only to the stream that is captured and sent to the remote party,
3357  * since we accept all standard video size on the receive path.
3358 **/
3359 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3360         if (video_size_supported(vsize)){
3361                 MSVideoSize oldvsize=lc->video_conf.vsize;
3362                 lc->video_conf.vsize=vsize;
3363                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3364                         toggle_video_preview(lc,FALSE);
3365                         toggle_video_preview(lc,TRUE);
3366                 }
3367                 if (lc->ready)
3368                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3369         }
3370 }
3371
3372 /**
3373  * Sets the preferred video size by its name.
3374  *
3375  * @ingroup media_parameters
3376  * This is identical to linphone_core_set_preferred_video_size() except
3377  * that it takes the name of the video resolution as input.
3378  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3379 **/
3380 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3381         MSVideoSize vsize=video_size_get_by_name(name);
3382         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3383         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3384         else linphone_core_set_preferred_video_size(lc,default_vsize);
3385 }
3386
3387 /**
3388  * Returns the current preferred video size for sending.
3389  *
3390  * @ingroup media_parameters
3391 **/
3392 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3393         return lc->video_conf.vsize;
3394 }
3395
3396 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3397         lc->use_files=yesno;
3398 }
3399
3400 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3401         if (lc->play_file!=NULL){
3402                 ms_free(lc->play_file);
3403                 lc->play_file=NULL;
3404         }
3405         if (file!=NULL) {
3406                 lc->play_file=ms_strdup(file);
3407                 if (lc->audiostream->ticker)
3408                         audio_stream_play(lc->audiostream,file);
3409         }
3410 }
3411
3412 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3413         if (lc->rec_file!=NULL){
3414                 ms_free(lc->rec_file);
3415                 lc->rec_file=NULL;
3416         }
3417         if (file!=NULL) {
3418                 lc->rec_file=ms_strdup(file);
3419                 if (lc->audiostream)
3420                         audio_stream_record(lc->audiostream,file);
3421         }
3422 }
3423
3424 /**
3425  * Retrieves the user pointer that was given to linphone_core_new()
3426  *
3427  * @ingroup initializing
3428 **/
3429 void *linphone_core_get_user_data(LinphoneCore *lc){
3430         return lc->data;
3431 }
3432
3433 int linphone_core_get_mtu(const LinphoneCore *lc){
3434         return lc->net_conf.mtu;
3435 }
3436
3437 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3438         lc->net_conf.mtu=mtu;
3439         if (mtu>0){
3440                 if (mtu<500){
3441                         ms_error("MTU too small !");
3442                         mtu=500;
3443                 }
3444                 ms_set_mtu(mtu);
3445                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3446         }else ms_set_mtu(0);//use mediastreamer2 default value
3447 }
3448
3449 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3450         lc->wait_cb=cb;
3451         lc->wait_ctx=user_context;
3452 }
3453
3454 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3455         if (lc->wait_cb){
3456                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3457         }
3458 }
3459
3460 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3461         if (lc->wait_cb){
3462                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3463         }else{
3464 #ifdef WIN32
3465                 Sleep(50000);
3466 #else
3467                 usleep(50000);
3468 #endif
3469         }
3470 }
3471
3472 void linphone_core_stop_waiting(LinphoneCore *lc){
3473         if (lc->wait_cb){
3474                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3475         }
3476 }
3477
3478 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp){
3479         lc->a_rtp=rtp;
3480         lc->a_rtcp=rtcp;
3481 }
3482
3483 /**
3484  * Retrieve RTP statistics regarding current call.
3485  * @param local RTP statistics computed locally.
3486  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
3487  *
3488  * @note Remote RTP statistics is not implemented yet.
3489  *
3490  * @returns 0 or -1 if no call is running.
3491 **/
3492
3493 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
3494         LinphoneCall *call=linphone_core_get_current_call (lc);
3495         if (call!=NULL){
3496                 if (lc->audiostream!=NULL){
3497                         memset(remote,0,sizeof(*remote));
3498                         audio_stream_get_local_rtp_stats (lc->audiostream,local);
3499                         return 0;
3500                 }
3501         }
3502         return -1;
3503 }
3504
3505 void net_config_uninit(LinphoneCore *lc)
3506 {
3507         net_config_t *config=&lc->net_conf;
3508         lp_config_set_int(lc->config,"net","download_bw",config->download_bw);
3509         lp_config_set_int(lc->config,"net","upload_bw",config->upload_bw);
3510
3511         if (config->stun_server!=NULL){
3512                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3513                 ms_free(lc->net_conf.stun_server);
3514         }
3515         if (config->nat_address!=NULL){
3516                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3517                 ms_free(lc->net_conf.nat_address);
3518         }
3519         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3520         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3521 }
3522
3523
3524 void sip_config_uninit(LinphoneCore *lc)
3525 {
3526         MSList *elem;
3527         int i;
3528         sip_config_t *config=&lc->sip_conf;
3529         lp_config_set_int(lc->config,"sip","sip_port",config->sip_port);
3530         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3531         lp_config_set_string(lc->config,"sip","contact",config->contact);
3532         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3533         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3534         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3535         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3536         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3537
3538
3539         lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
3540
3541         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3542                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3543                 linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
3544                 linphone_proxy_config_edit(cfg);        /* to unregister */
3545         }
3546
3547         if (lc->sal){
3548             int i;
3549                 for (i=0;i<20;i++){
3550                         sal_iterate(lc->sal);
3551 #ifndef WIN32
3552                         usleep(100000);
3553 #else
3554                         Sleep(100);
3555 #endif
3556                 }
3557         }
3558
3559         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3560         ms_list_free(config->proxies);
3561         config->proxies=NULL;
3562
3563         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
3564
3565         for(elem=lc->auth_info,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3566                 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)(elem->data);
3567                 linphone_auth_info_write_config(lc->config,ai,i);
3568         }
3569         linphone_auth_info_write_config(lc->config,NULL,i); /* mark the end */
3570         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
3571         ms_list_free(lc->auth_info);
3572         lc->auth_info=NULL;
3573
3574         sal_uninit(lc->sal);
3575         lc->sal=NULL;
3576
3577         if (lc->sip_conf.guessed_contact)
3578                 ms_free(lc->sip_conf.guessed_contact);
3579         if (config->contact)
3580                 ms_free(config->contact);
3581
3582 }
3583
3584 void rtp_config_uninit(LinphoneCore *lc)
3585 {
3586         rtp_config_t *config=&lc->rtp_conf;
3587         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
3588         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
3589         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
3590         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
3591         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
3592 }
3593
3594 void sound_config_uninit(LinphoneCore *lc)
3595 {
3596         sound_config_t *config=&lc->sound_conf;
3597         ms_free(config->cards);
3598
3599         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
3600
3601         if (config->local_ring) ms_free(config->local_ring);
3602         if (config->remote_ring) ms_free(config->remote_ring);
3603         ms_snd_card_manager_destroy();
3604 }
3605
3606 void video_config_uninit(LinphoneCore *lc)
3607 {
3608         lp_config_set_int(lc->config,"video","enabled",linphone_core_video_enabled(lc));
3609         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
3610         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3611         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3612         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
3613         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
3614         if (lc->video_conf.cams)
3615                 ms_free(lc->video_conf.cams);
3616 }
3617
3618 void codecs_config_uninit(LinphoneCore *lc)
3619 {
3620         PayloadType *pt;
3621         codecs_config_t *config=&lc->codecs_conf;
3622         MSList *node;
3623         char key[50];
3624         int index;
3625         index=0;
3626         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
3627                 pt=(PayloadType*)(node->data);
3628                 sprintf(key,"audio_codec_%i",index);
3629                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3630                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3631                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3632                 index++;
3633         }
3634         sprintf(key,"audio_codec_%i",index);
3635         lp_config_clean_section (lc->config,key);
3636
3637         index=0;
3638         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
3639                 pt=(PayloadType*)(node->data);
3640                 sprintf(key,"video_codec_%i",index);
3641                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3642                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3643                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3644                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
3645                 index++;
3646         }
3647         sprintf(key,"video_codec_%i",index);
3648         lp_config_clean_section (lc->config,key);
3649
3650         ms_list_free(lc->codecs_conf.audio_codecs);
3651         ms_list_free(lc->codecs_conf.video_codecs);
3652 }
3653
3654 void ui_config_uninit(LinphoneCore* lc)
3655 {
3656         if (lc->friends){
3657                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
3658                 ms_list_free(lc->friends);
3659                 lc->friends=NULL;
3660         }
3661 }
3662
3663 /**
3664  * Returns the LpConfig object used to manage the storage (config) file.
3665  *
3666  * @ingroup misc
3667  * The application can use the LpConfig object to insert its own private
3668  * sections and pairs of key=value in the configuration file.
3669  *
3670 **/
3671 LpConfig *linphone_core_get_config(LinphoneCore *lc){
3672         return lc->config;
3673 }
3674
3675 static void linphone_core_uninit(LinphoneCore *lc)
3676 {
3677         while(lc->calls)
3678         {
3679                 LinphoneCall *the_call = lc->calls->data;
3680                 linphone_core_terminate_call(lc,the_call);
3681                 linphone_core_iterate(lc);
3682 #ifdef WIN32
3683                 Sleep(50000);
3684 #else
3685                 usleep(50000);
3686 #endif
3687         }
3688
3689         if (lc->friends)
3690                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
3691         gstate_new_state(lc, GSTATE_POWER_SHUTDOWN, NULL);
3692 #ifdef VIDEO_ENABLED
3693         if (lc->previewstream!=NULL){
3694                 video_preview_stop(lc->previewstream);
3695                 lc->previewstream=NULL;
3696         }
3697 #endif
3698         ms_event_queue_destroy(lc->msevq);
3699         /* save all config */
3700         net_config_uninit(lc);
3701         sip_config_uninit(lc);
3702         rtp_config_uninit(lc);
3703         sound_config_uninit(lc);
3704         video_config_uninit(lc);
3705         codecs_config_uninit(lc);
3706         ui_config_uninit(lc);
3707         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
3708         lp_config_destroy(lc->config);
3709         lc->config = NULL; /* Mark the config as NULL to block further calls */
3710         sip_setup_unregister_all();
3711
3712         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3713         lc->call_logs=ms_list_free(lc->call_logs);
3714
3715         linphone_core_free_payload_types();
3716
3717         ortp_exit();
3718         gstate_new_state(lc, GSTATE_POWER_OFF, NULL);
3719 }
3720
3721 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable){
3722         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
3723         // second get the list of available proxies
3724         const MSList *elem=linphone_core_get_proxy_config_list(lc);
3725         for(;elem!=NULL;elem=elem->next){
3726                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3727                 if (linphone_proxy_config_register_enabled(cfg) ) {
3728                         if (!isReachable) {
3729                                 cfg->registered=0;
3730                         }else{
3731                                 cfg->commit=TRUE;
3732                         }
3733                 }
3734         }
3735         lc->network_reachable=isReachable;
3736 }
3737
3738 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
3739         //first disable automatic mode
3740         if (lc->auto_net_state_mon) {
3741                 ms_message("Disabling automatic network state monitoring");
3742                 lc->auto_net_state_mon=FALSE;
3743         }
3744         set_network_reachable(lc,isReachable);
3745 }
3746
3747 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
3748         return lc->network_reachable;
3749 }
3750 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
3751         return sal_get_socket(lc->sal);
3752 }
3753 /**
3754  * Destroys a LinphoneCore
3755  *
3756  * @ingroup initializing
3757 **/
3758 void linphone_core_destroy(LinphoneCore *lc){
3759         linphone_core_uninit(lc);
3760         ms_free(lc);
3761 }
3762 /**
3763  * Get the number of Call
3764  *
3765  * @ingroup call_control
3766 **/
3767 int linphone_core_get_calls_nb(const LinphoneCore *lc)
3768 {
3769         int returned;
3770         if(lc->calls == NULL)
3771         {
3772                 returned = 0;
3773         }
3774         else
3775         {
3776                 returned = ms_list_size(lc->calls);
3777         }
3778         return returned;
3779 }
3780
3781 /**
3782  * Check if we do not have exceed the number of simultaneous call
3783  *
3784  * @ingroup call_control
3785 **/
3786 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
3787 {
3788         if(linphone_core_get_calls_nb(lc) < NB_MAX_CALLS)
3789                 return TRUE;
3790         ms_error("Maximum amount of simultaneous calls reached !");
3791         return FALSE;
3792 }
3793
3794 /**
3795  * Unset the current call
3796  *
3797  * @ingroup call_control
3798 **/
3799 int linphone_core_unset_the_current_call(LinphoneCore *lc)
3800 {
3801         if(lc->current_call == NULL)
3802                 return -1;
3803         lc->current_call = NULL;
3804         ms_message("Current call unset\n");
3805         return 0;
3806 }
3807
3808 /**
3809  * Set the call in parameter as the new current call
3810  *
3811  * @ingroup call_control
3812 **/
3813 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call)
3814 {
3815         if(lc->current_call != NULL)
3816                 return -1;
3817         lc->current_call = call;
3818         return 0;
3819 }
3820
3821 /**
3822  * Add the call in the LinphoneCall list
3823  *
3824  * @ingroup call_control
3825 **/
3826 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
3827 {
3828         if(linphone_core_can_we_add_call(lc))
3829         {
3830                 MSList *the_calls = lc->calls;
3831                 the_calls = ms_list_append(the_calls,call);
3832                 lc->calls = the_calls;
3833                 return 0;
3834         }
3835         return -1;
3836 }
3837
3838 /**
3839  * Add the call in the LinphoneCall list
3840  *
3841  * @ingroup call_control
3842 **/
3843 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
3844 {
3845         MSList *it;
3846
3847         MSList *the_calls = lc->calls;
3848         if(call == linphone_core_get_current_call(lc))
3849         {
3850                 linphone_core_unset_the_current_call(lc);
3851         }
3852         it=ms_list_find(the_calls,call);
3853         if (it)
3854         {
3855                 the_calls = ms_list_remove_link(the_calls,it);
3856         }
3857         else
3858         {
3859                 ms_warning("could not find the call into the list\n");
3860                 return -1;
3861         }
3862         lc->calls = the_calls;
3863         return 0;
3864 }