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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #include "linphonecore.h"
  21 #include "sipsetup.h"
  22 #include "lpconfig.h"
  23 #include "private.h"
  24
  25 #include <ortp/telephonyevents.h>
  26 #include "mediastreamer2/mediastream.h"
  27 #include "mediastreamer2/mseventqueue.h"
  28 #include "mediastreamer2/msvolume.h"
  29 #include "mediastreamer2/msequalizer.h"
  30 #include "mediastreamer2/dtmfgen.h"
  31
  32 #ifdef INET6
  33 #ifndef WIN32
  34 #include <netdb.h>
  35 #endif
  36 #endif
  37
  38 /*#define UNSTANDART_GSM_11K 1*/
  39
  40 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  41 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  42
  43 #include "enum.h"
  44
  45 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  46 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  47
  48 /* relative path where is stored local ring*/
  49 #define LOCAL_RING "rings/oldphone.wav"
  50 /* same for remote ring (ringback)*/
  51 #define REMOTE_RING "ringback.wav"
  52 #define HOLD_MUSIC "rings/toy-mono.wav"
  53
  54
  55 extern SalCallbacks linphone_sal_callbacks;
  56
  57
  58 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  59 {
  60   obj->_func=func;
  61   obj->_user_data=ud;
  62 }
  63
  64 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  65         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  66         return 0;
  67 }
  68
  69
  70 /*prevent a gcc bug with %c*/
  71 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  72 #if !defined(_WIN32_WCE)
  73         return strftime(s, max, fmt, tm);
  74 #else
  75         return 0;
  76         /*FIXME*/
  77 #endif /*_WIN32_WCE*/
  78 }
  79
  80 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  81         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  82 }
  83
  84 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  85         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  86         struct tm loctime;
  87         cl->dir=call->dir;
  88 #ifdef WIN32
  89 #if !defined(_WIN32_WCE)
  90         loctime=*localtime(&call->start_time);
  91         /*FIXME*/
  92 #endif /*_WIN32_WCE*/
  93 #else
  94         localtime_r(&call->start_time,&loctime);
  95 #endif
  96         set_call_log_date(cl,&loctime);
  97         cl->from=from;
  98         cl->to=to;
  99         return cl;
 100 }
 101
 102 static void call_logs_write_to_config_file(LinphoneCore *lc){
 103         MSList *elem;
 104         char logsection[32];
 105         int i;
 106         char *tmp;
 107         LpConfig *cfg=lc->config;
 108
 109         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 110
 111         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 112                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 113                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 114                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 115                 lp_config_set_int(cfg,logsection,"status",cl->status);
 116                 tmp=linphone_address_as_string(cl->from);
 117                 lp_config_set_string(cfg,logsection,"from",tmp);
 118                 ms_free(tmp);
 119                 tmp=linphone_address_as_string(cl->to);
 120                 lp_config_set_string(cfg,logsection,"to",tmp);
 121                 ms_free(tmp);
 122                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 123                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 124                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 125         }
 126         for(;i<lc->max_call_logs;++i){
 127                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 128                 lp_config_clean_section(cfg,logsection);
 129         }
 130 }
 131
 132 static void call_logs_read_from_config_file(LinphoneCore *lc){
 133         char logsection[32];
 134         int i;
 135         const char *tmp;
 136         LpConfig *cfg=lc->config;
 137         for(i=0;;++i){
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 if (lp_config_has_section(cfg,logsection)){
 140                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 141                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 142                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 143                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 144                         if (tmp) cl->from=linphone_address_new(tmp);
 145                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 146                         if (tmp) cl->to=linphone_address_new(tmp);
 147                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 148                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 149                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 150                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 151                         if (tmp) cl->refkey=ms_strdup(tmp);
 152                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 153                 }else break;
 154         }
 155 }
 156
 157
 158 void linphone_call_log_completed(LinphoneCallLog *calllog, LinphoneCall *call, LinphoneCallStatus status){
 159         LinphoneCore *lc=call->core;
 160
 161         calllog->duration=time(NULL)-call->start_time;
 162
 163         if (status==LinphoneCallMissed){
 164                 char *info;
 165                 lc->missed_calls++;
 166                 info=ortp_strdup_printf(ngettext("You have missed %i call.",
 167                     "You have missed %i calls.", lc->missed_calls),
 168                 lc->missed_calls);
 169                                 if (lc->vtable.display_status!=NULL)
 170                                         lc->vtable.display_status(lc,info);
 171                 ms_free(info);
 172         }else calllog->status=status;
 173         lc->call_logs=ms_list_prepend(lc->call_logs,(void *)calllog);
 174         if (ms_list_size(lc->call_logs)>lc->max_call_logs){
 175                 MSList *elem,*prevelem=NULL;
 176                 /*find the last element*/
 177                 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
 178                         prevelem=elem;
 179                 }
 180                 elem=prevelem;
 181                 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
 182                 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
 183         }
 184         if (lc->vtable.call_log_updated!=NULL){
 185                 lc->vtable.call_log_updated(lc,calllog);
 186         }
 187         call_logs_write_to_config_file(lc);
 188 }
 189
 190 /**
 191  * @addtogroup call_logs
 192  * @{
 193 **/
 194
 195 /**
 196  * Returns a human readable string describing the call.
 197  *
 198  * @note: the returned char* must be freed by the application (use ms_free()).
 199 **/
 200 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 201         char *status;
 202         char *tmp;
 203         char *from=linphone_address_as_string (cl->from);
 204         char *to=linphone_address_as_string (cl->to);
 205         switch(cl->status){
 206                 case LinphoneCallAborted:
 207                         status=_("aborted");
 208                         break;
 209                 case LinphoneCallSuccess:
 210                         status=_("completed");
 211                         break;
 212                 case LinphoneCallMissed:
 213                         status=_("missed");
 214                         break;
 215                 default:
 216                         status="unknown";
 217         }
 218         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 219                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 220                         cl->start_date,
 221                         from,
 222                         to,
 223                         status,
 224                         cl->duration/60,
 225                         cl->duration%60);
 226         ms_free(from);
 227         ms_free(to);
 228         return tmp;
 229 }
 230
 231 /**
 232  * Returns RTP statistics computed locally regarding the call.
 233  *
 234 **/
 235 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 236         return &cl->local_stats;
 237 }
 238
 239 /**
 240  * Returns RTP statistics computed by remote end and sent back via RTCP.
 241  *
 242  * @note Not implemented yet.
 243 **/
 244 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 245         return &cl->remote_stats;
 246 }
 247
 248 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 249         cl->user_pointer=up;
 250 }
 251
 252 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 253         return cl->user_pointer;
 254 }
 255
 256
 257
 258 /**
 259  * Associate a persistent reference key to the call log.
 260  *
 261  * The reference key can be for example an id to an external database.
 262  * It is stored in the config file, thus can survive to process exits/restarts.
 263  *
 264 **/
 265 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 266         if (cl->refkey!=NULL){
 267                 ms_free(cl->refkey);
 268                 cl->refkey=NULL;
 269         }
 270         if (refkey) cl->refkey=ms_strdup(refkey);
 271         call_logs_write_to_config_file(cl->lc);
 272 }
 273
 274 /**
 275  * Get the persistent reference key associated to the call log.
 276  *
 277  * The reference key can be for example an id to an external database.
 278  * It is stored in the config file, thus can survive to process exits/restarts.
 279  *
 280 **/
 281 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 282         return cl->refkey;
 283 }
 284
 285 /** @} */
 286
 287 void linphone_call_log_destroy(LinphoneCallLog *cl){
 288         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 289         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 290         if (cl->refkey!=NULL) ms_free(cl->refkey);
 291         ms_free(cl);
 292 }
 293
 294 /**
 295  * Returns TRUE if the LinphoneCall asked to autoanswer
 296  *
 297 **/
 298 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 299         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 300         if(call)
 301                 return sal_call_autoanswer_asked(call->op);
 302         else
 303                 return FALSE;
 304 }
 305
 306 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 307         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 308         if (call)  return linphone_call_get_duration(call);
 309         return -1;
 310 }
 311
 312 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 313         LinphoneCall *call=linphone_core_get_current_call(lc);
 314         if (call==NULL) return NULL;
 315         return linphone_call_get_remote_address(call);
 316 }
 317
 318 /**
 319  * Enable logs in supplied FILE*.
 320  *
 321  * @ingroup misc
 322  *
 323  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 324  *
 325 **/
 326 void linphone_core_enable_logs(FILE *file){
 327         if (file==NULL) file=stdout;
 328         ortp_set_log_file(file);
 329         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 330 }
 331
 332 /**
 333  * Enable logs through the user's supplied log callback.
 334  *
 335  * @ingroup misc
 336  *
 337  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 338  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 339  *
 340 **/
 341 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 342         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 343         ortp_set_log_handler(logfunc);
 344 }
 345
 346 /**
 347  * Entirely disable logging.
 348  *
 349  * @ingroup misc
 350 **/
 351 void linphone_core_disable_logs(){
 352         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 353 }
 354
 355
 356 static void net_config_read (LinphoneCore *lc)
 357 {
 358         int tmp;
 359         const char *tmpstr;
 360         LpConfig *config=lc->config;
 361
 362         tmp=lp_config_get_int(config,"net","download_bw",0);
 363         linphone_core_set_download_bandwidth(lc,tmp);
 364         tmp=lp_config_get_int(config,"net","upload_bw",0);
 365         linphone_core_set_upload_bandwidth(lc,tmp);
 366         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 367         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 368         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 369         linphone_core_set_nat_address(lc,tmpstr);
 370         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 371         linphone_core_set_firewall_policy(lc,tmp);
 372         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 373         lc->net_conf.nat_sdp_only=tmp;
 374         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 375         linphone_core_set_mtu(lc,tmp);
 376         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 377         linphone_core_set_download_ptime(lc,tmp);
 378
 379 }
 380
 381 static void build_sound_devices_table(LinphoneCore *lc){
 382         const char **devices;
 383         const char **old;
 384         int ndev;
 385         int i;
 386         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 387         ndev=ms_list_size(elem);
 388         devices=ms_malloc((ndev+1)*sizeof(const char *));
 389         for (i=0;elem!=NULL;elem=elem->next,i++){
 390                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 391         }
 392         devices[ndev]=NULL;
 393         old=lc->sound_conf.cards;
 394         lc->sound_conf.cards=devices;
 395         if (old!=NULL) ms_free(old);
 396 }
 397
 398 static void sound_config_read(LinphoneCore *lc)
 399 {
 400         /*int tmp;*/
 401         const char *tmpbuf;
 402         const char *devid;
 403         float gain=0;
 404 #ifdef __linux
 405         /*alsadev let the user use custom alsa device within linphone*/
 406         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 407         if (devid){
 408                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 409                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 410         }
 411 #endif
 412         /* retrieve all sound devices */
 413         build_sound_devices_table(lc);
 414
 415         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 416         linphone_core_set_playback_device(lc,devid);
 417
 418         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 419         linphone_core_set_ringer_device(lc,devid);
 420
 421         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 422         linphone_core_set_capture_device(lc,devid);
 423
 424 /*
 425         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 426         linphone_core_set_play_level(lc,tmp);
 427         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 428         linphone_core_set_ring_level(lc,tmp);
 429         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 430         linphone_core_set_rec_level(lc,tmp);
 431         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 432         linphone_core_set_sound_source(lc,tmpbuf[0]);
 433 */
 434
 435         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 436         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 437         if (ortp_file_exist(tmpbuf)==-1) {
 438                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 439         }
 440         if (strstr(tmpbuf,".wav")==NULL){
 441                 /* it currently uses old sound files, so replace them */
 442                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 443         }
 444
 445         linphone_core_set_ring(lc,tmpbuf);
 446
 447         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 448         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 449         if (ortp_file_exist(tmpbuf)==-1){
 450                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 451         }
 452         if (strstr(tmpbuf,".wav")==NULL){
 453                 /* it currently uses old sound files, so replace them */
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 455         }
 456         linphone_core_set_ringback(lc,tmpbuf);
 457
 458         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 459         check_sound_device(lc);
 460         lc->sound_conf.latency=0;
 461
 462         linphone_core_enable_echo_cancellation(lc,
 463             lp_config_get_int(lc->config,"sound","echocancelation",0) |
 464             lp_config_get_int(lc->config,"sound","echocancellation",0)
 465                 );
 466
 467         linphone_core_enable_echo_limiter(lc,
 468                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 469         linphone_core_enable_agc(lc,
 470                 lp_config_get_int(lc->config,"sound","agc",0));
 471
 472         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 473         linphone_core_set_playback_gain_db (lc,gain);
 474
 475         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 476 }
 477
 478 static void sip_config_read(LinphoneCore *lc)
 479 {
 480         char *contact;
 481         const char *tmpstr;
 482         LCSipTransports tr;
 483         int i,tmp;
 484         int ipv6;
 485
 486         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 487         linphone_core_set_use_info_for_dtmf(lc,tmp);
 488
 489         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 490                 sal_use_session_timers(lc->sal,200);
 491         }
 492
 493         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 494         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 495
 496         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 497         if (ipv6==-1){
 498                 ipv6=0;
 499                 if (host_has_ipv6_network()){
 500                         if (lc->vtable.display_message)
 501                                 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"));
 502                 }
 503         }
 504         linphone_core_enable_ipv6(lc,ipv6);
 505         memset(&tr,0,sizeof(tr));
 506         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)) {
 507                 tr.udp_port=(0xDFF&+random())+1024;
 508         } else {
 509                 tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 510         }
 511         if (lp_config_get_int(lc->config,"sip","sip_tcp_random_port",0)) {
 512                 tr.tcp_port=(0xDFF&+random())+1024;
 513         } else {
 514                 tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 515         }
 516         /*start listening on ports*/
 517         linphone_core_set_sip_transports(lc,&tr);
 518
 519         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 520         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 521                 const char *hostname=NULL;
 522                 const char *username=NULL;
 523 #ifdef HAVE_GETENV
 524                 hostname=getenv("HOST");
 525                 username=getenv("USER");
 526                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 527 #endif /*HAVE_GETENV*/
 528                 if (hostname==NULL)
 529                         hostname="unknown-host";
 530                 if (username==NULL){
 531                         username="toto";
 532                 }
 533                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 534                 linphone_core_set_primary_contact(lc,contact);
 535                 ms_free(contact);
 536         }
 537
 538         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 539         linphone_core_set_guess_hostname(lc,tmp);
 540
 541
 542         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 543         linphone_core_set_inc_timeout(lc,tmp);
 544
 545         /* get proxies config */
 546         for(i=0;; i++){
 547                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 548                 if (cfg!=NULL){
 549                         linphone_core_add_proxy_config(lc,cfg);
 550                 }else{
 551                         break;
 552                 }
 553         }
 554         /* get the default proxy */
 555         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 556         linphone_core_set_default_proxy_index(lc,tmp);
 557
 558         /* read authentication information */
 559         for(i=0;; i++){
 560                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 561                 if (ai!=NULL){
 562                         linphone_core_add_auth_info(lc,ai);
 563                         linphone_auth_info_destroy(ai);
 564                 }else{
 565                         break;
 566                 }
 567         }
 568
 569         /*for tuning or test*/
 570         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 571         lc->sip_conf.register_only_when_network_is_up=
 572                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 573         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 574         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 575         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 576         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 577         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 578         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 579 }
 580
 581 static void rtp_config_read(LinphoneCore *lc)
 582 {
 583         int port;
 584         int jitt_comp;
 585         int nortp_timeout;
 586         bool_t rtp_no_xmit_on_audio_mute;
 587
 588         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 589         linphone_core_set_audio_port(lc,port);
 590
 591         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 592         if (port==0) port=9078;
 593         linphone_core_set_video_port(lc,port);
 594
 595         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 596         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 597         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 598         if (jitt_comp==0) jitt_comp=60;
 599         lc->rtp_conf.video_jitt_comp=jitt_comp;
 600         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 601         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 602         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 603         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 604 }
 605
 606 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 607         PayloadType *candidate=NULL;
 608         int i;
 609         PayloadType *it;
 610         for(i=0;i<127;++i){
 611                 it=rtp_profile_get_payload(prof,i);
 612                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 613                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 614                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 615                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 616                                 /*exact match*/
 617                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 618                                 return it;
 619                         }else {
 620                                 if (candidate){
 621                                         if (it->recv_fmtp==NULL) candidate=it;
 622                                 }else candidate=it;
 623                         }
 624                 }
 625         }
 626         if (candidate && recv_fmtp){
 627                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 628         }
 629         return candidate;
 630 }
 631
 632 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 633         char codeckey[50];
 634         const char *mime,*fmtp;
 635         int rate,enabled;
 636         PayloadType *pt;
 637
 638         *ret=NULL;
 639         snprintf(codeckey,50,"%s_%i",type,index);
 640         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 641         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 642
 643         rate=lp_config_get_int(config,codeckey,"rate",8000);
 644         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 645         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 646         pt=find_payload(&av_profile,mime,rate,fmtp);
 647         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 648         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 649         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 650                         mime,rate,fmtp ? fmtp : "");
 651         *ret=pt;
 652         return TRUE;
 653 }
 654
 655 static const char *codec_pref_order[]={
 656         "speex",
 657         "gsm",
 658         "pcmu",
 659         "pcma",
 660         "H264",
 661         "MP4V-ES",
 662         "theora",
 663         "H263-1998",
 664         "H263",
 665         NULL,
 666 };
 667
 668 static int find_codec_rank(const char *mime){
 669         int i;
 670         for(i=0;codec_pref_order[i]!=NULL;++i){
 671                 if (strcasecmp(codec_pref_order[i],mime)==0)
 672                         break;
 673         }
 674         return i;
 675 }
 676
 677 static int codec_compare(const PayloadType *a, const PayloadType *b){
 678         int ra,rb;
 679         ra=find_codec_rank(a->mime_type);
 680         rb=find_codec_rank(b->mime_type);
 681         if (ra>rb) return 1;
 682         if (ra<rb) return -1;
 683         return 0;
 684 }
 685
 686 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 687         int i;
 688         for(i=0;i<127;++i){
 689                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 690                 if (pt){
 691                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 692                                 pt=NULL;
 693                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 694                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 695                                 pt=NULL;
 696                         }
 697                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 698                                 if (ms_list_find(l,pt)==NULL){
 699                                         payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 700                                         ms_message("Adding new codec %s/%i with fmtp %s",
 701                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 702                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 703                                 }
 704                         }
 705                 }
 706         }
 707         return l;
 708 }
 709
 710 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 711         MSList *elem;
 712         for (elem=l;elem!=NULL;elem=elem->next){
 713                 PayloadType *ept=(PayloadType*)elem->data;
 714                 if (pt==ept)
 715                         return l;
 716         }
 717         l=ms_list_append(l,pt);
 718         return l;
 719 }
 720
 721 static void codecs_config_read(LinphoneCore *lc)
 722 {
 723         int i;
 724         PayloadType *pt;
 725         MSList *audio_codecs=NULL;
 726         MSList *video_codecs=NULL;
 727         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 728                 if (pt){
 729                         if (!ms_filter_codec_supported(pt->mime_type)){
 730                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 731                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 732                 }
 733         }
 734         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 735         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 736                 if (pt){
 737                         if (!ms_filter_codec_supported(pt->mime_type)){
 738                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 739                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 740                 }
 741         }
 742         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 743         linphone_core_set_audio_codecs(lc,audio_codecs);
 744         linphone_core_set_video_codecs(lc,video_codecs);
 745         linphone_core_update_allocated_audio_bandwidth(lc);
 746 }
 747
 748 static void video_config_read(LinphoneCore *lc){
 749         int capture, display, self_view;
 750         int enabled;
 751         const char *str;
 752         int ndev;
 753         const char **devices;
 754         const MSList *elem;
 755         int i;
 756
 757         /* retrieve all video devices */
 758         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 759         ndev=ms_list_size(elem);
 760         devices=ms_malloc((ndev+1)*sizeof(const char *));
 761         for (i=0;elem!=NULL;elem=elem->next,i++){
 762                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 763         }
 764         devices[ndev]=NULL;
 765         lc->video_conf.cams=devices;
 766
 767         str=lp_config_get_string(lc->config,"video","device",NULL);
 768         if (str && str[0]==0) str=NULL;
 769         linphone_core_set_video_device(lc,str);
 770
 771         linphone_core_set_preferred_video_size_by_name(lc,
 772                 lp_config_get_string(lc->config,"video","size","cif"));
 773
 774         enabled=lp_config_get_int(lc->config,"video","enabled",1);
 775         capture=lp_config_get_int(lc->config,"video","capture",enabled);
 776         display=lp_config_get_int(lc->config,"video","display",enabled);
 777         self_view=lp_config_get_int(lc->config,"video","self_view",enabled);
 778         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 779         if(lc->video_conf.displaytype)
 780                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 781 #ifdef VIDEO_ENABLED
 782         linphone_core_enable_video(lc,capture,display);
 783         linphone_core_enable_self_view(lc,self_view);
 784 #endif
 785 }
 786
 787 static void ui_config_read(LinphoneCore *lc)
 788 {
 789         LinphoneFriend *lf;
 790         int i;
 791         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 792                 linphone_core_add_friend(lc,lf);
 793         }
 794         call_logs_read_from_config_file(lc);
 795 }
 796
 797 /*
 798 static void autoreplier_config_init(LinphoneCore *lc)
 799 {
 800         autoreplier_config_t *config=&lc->autoreplier_conf;
 801         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 802         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 803         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 804         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 805         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 806         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 807 }
 808 */
 809
 810 /**
 811  * Sets maximum available download bandwidth
 812  *
 813  * @ingroup media_parameters
 814  *
 815  * This is IP bandwidth, in kbit/s.
 816  * This information is used signaled to other parties during
 817  * calls (within SDP messages) so that the remote end can have
 818  * sufficient knowledge to properly configure its audio & video
 819  * codec output bitrate to not overflow available bandwidth.
 820  *
 821  * @param lc the LinphoneCore object
 822  * @param bw the bandwidth in kbits/s, 0 for infinite
 823  */
 824 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 825         lc->net_conf.download_bw=bw;
 826 }
 827
 828 /**
 829  * Sets maximum available upload bandwidth
 830  *
 831  * @ingroup media_parameters
 832  *
 833  * This is IP bandwidth, in kbit/s.
 834  * This information is used by liblinphone together with remote
 835  * side available bandwidth signaled in SDP messages to properly
 836  * configure audio & video codec's output bitrate.
 837  *
 838  * @param lc the LinphoneCore object
 839  * @param bw the bandwidth in kbits/s, 0 for infinite
 840  */
 841 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 842         lc->net_conf.upload_bw=bw;
 843 }
 844
 845 /**
 846  * Retrieve the maximum available download bandwidth.
 847  *
 848  * @ingroup media_parameters
 849  *
 850  * This value was set by linphone_core_set_download_bandwidth().
 851  *
 852 **/
 853 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 854         return lc->net_conf.download_bw;
 855 }
 856
 857 /**
 858  * Retrieve the maximum available upload bandwidth.
 859  *
 860  * @ingroup media_parameters
 861  *
 862  * This value was set by linphone_core_set_upload_bandwidth().
 863  *
 864 **/
 865 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 866         return lc->net_conf.upload_bw;
 867 }
 868 /**
 869  * set audio packetization time linphone expect to received from peer
 870  */
 871 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 872         lc->net_conf.down_ptime=ptime;
 873 }
 874
 875 int  linphone_core_get_download_ptime(LinphoneCore *lc) {
 876         return lc->net_conf.down_ptime;
 877 }
 878
 879
 880 /**
 881  * Returns liblinphone's version as a string.
 882  *
 883  * @ingroup misc
 884  *
 885 **/
 886 const char * linphone_core_get_version(void){
 887         return liblinphone_version;
 888 }
 889
 890
 891 static MSList *linphone_payload_types=NULL;
 892
 893 static void linphone_core_assign_payload_type(PayloadType *const_pt, int number, const char *recv_fmtp){
 894         PayloadType *pt;
 895         pt=payload_type_clone(const_pt);
 896         payload_type_set_number(pt,number);
 897         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 898         rtp_profile_set_payload(&av_profile,number,pt);
 899         linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 900 }
 901
 902 static void linphone_core_free_payload_types(void){
 903         ms_list_for_each(linphone_payload_types,(void (*)(void*))payload_type_destroy);
 904         ms_list_free(linphone_payload_types);
 905         linphone_payload_types=NULL;
 906 }
 907
 908 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
 909         lc->state=gstate;
 910         if (lc->vtable.global_state_changed){
 911                 lc->vtable.global_state_changed(lc,gstate,message);
 912         }
 913 }
 914
 915 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
 916     const char *factory_config_path, void * userdata)
 917 {
 918         memset (lc, 0, sizeof (LinphoneCore));
 919         lc->data=userdata;
 920
 921         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
 922
 923         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
 924         ortp_init();
 925         linphone_core_assign_payload_type(&payload_type_pcmu8000,0,NULL);
 926         linphone_core_assign_payload_type(&payload_type_gsm,3,NULL);
 927         linphone_core_assign_payload_type(&payload_type_pcma8000,8,NULL);
 928         linphone_core_assign_payload_type(&payload_type_lpc1015,115,NULL);
 929         linphone_core_assign_payload_type(&payload_type_speex_nb,110,"vbr=on");
 930         linphone_core_assign_payload_type(&payload_type_speex_wb,111,"vbr=on");
 931         linphone_core_assign_payload_type(&payload_type_speex_uwb,112,"vbr=on");
 932         linphone_core_assign_payload_type(&payload_type_telephone_event,101,"0-11");
 933         linphone_core_assign_payload_type(&payload_type_ilbc,113,"mode=30");
 934         linphone_core_assign_payload_type(&payload_type_amr,114,"octet-align=1");
 935
 936 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
 937         /*shorten the DNS lookup time and send more retransmissions on mobiles:
 938          - to workaround potential packet losses
 939          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
 940          */
 941         _linphone_core_configure_resolver();
 942 #endif
 943
 944 #ifdef ENABLE_NONSTANDARD_GSM
 945         {
 946                 PayloadType *pt;
 947                 pt=payload_type_clone(&payload_type_gsm);
 948                 pt->clock_rate=11025;
 949                 rtp_profile_set_payload(&av_profile,114,pt);
 950                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 951                 pt=payload_type_clone(&payload_type_gsm);
 952                 pt->clock_rate=22050;
 953                 rtp_profile_set_payload(&av_profile,115,pt);
 954                 linphone_payload_types=ms_list_append(linphone_payload_types,pt);
 955         }
 956 #endif
 957
 958 #ifdef VIDEO_ENABLED
 959         linphone_core_assign_payload_type(&payload_type_h263,34,NULL);
 960         linphone_core_assign_payload_type(&payload_type_theora,97,NULL);
 961         linphone_core_assign_payload_type(&payload_type_h263_1998,98,"CIF=1;QCIF=1");
 962         linphone_core_assign_payload_type(&payload_type_mp4v,99,"profile-level-id=3");
 963         linphone_core_assign_payload_type(&payload_type_x_snow,100,NULL);
 964         linphone_core_assign_payload_type(&payload_type_h264,102,"profile-level-id=428014");
 965         linphone_core_assign_payload_type(&payload_type_h264,103,"packetization-mode=1;profile-level-id=428014");
 966 #endif
 967
 968         ms_init();
 969         /* create a mediastreamer2 event queue and set it as global */
 970         /* This allows to run event's callback in linphone_core_iterate() */
 971         lc->msevq=ms_event_queue_new();
 972         ms_set_global_event_queue(lc->msevq);
 973
 974         lc->config=lp_config_new(config_path);
 975         if (factory_config_path)
 976                 lp_config_read_file(lc->config,factory_config_path);
 977
 978         lc->sal=sal_init();
 979         sal_set_user_pointer(lc->sal,lc);
 980         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
 981
 982         sip_setup_register_all();
 983         sound_config_read(lc);
 984         net_config_read(lc);
 985         rtp_config_read(lc);
 986         codecs_config_read(lc);
 987         sip_config_read(lc); /* this will start eXosip*/
 988         video_config_read(lc);
 989         //autoreplier_config_init(&lc->autoreplier_conf);
 990         lc->presence_mode=LinphoneStatusOnline;
 991         lc->max_call_logs=15;
 992         ui_config_read(lc);
 993         if (lc->vtable.display_status)
 994                 lc->vtable.display_status(lc,_("Ready"));
 995         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
 996         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
 997 }
 998
 999 /**
1000  * Instanciates a LinphoneCore object.
1001  * @ingroup initializing
1002  *
1003  * The LinphoneCore object is the primary handle for doing all phone actions.
1004  * It should be unique within your application.
1005  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1006  * @param config_path a path to a config file. If it does not exists it will be created.
1007  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1008  *             become persistent over the life of the LinphoneCore object.
1009  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1010  * @param factory_config_path a path to a read-only config file that can be used to
1011  *        to store hard-coded preference such as proxy settings or internal preferences.
1012  *        The settings in this factory file always override the one in the normal config file.
1013  *        It is OPTIONAL, use NULL if unneeded.
1014  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1015  *        callbacks) using linphone_core_get_user_data().
1016  *
1017 **/
1018 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1019                                                 const char *config_path, const char *factory_config_path, void * userdata)
1020 {
1021         LinphoneCore *core=ms_new(LinphoneCore,1);
1022         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1023         return core;
1024 }
1025
1026 /**
1027  * Returns the list of available audio codecs.
1028  *
1029  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1030  * structure holding the codec information.
1031  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1032  * (such as the order of codecs).
1033 **/
1034 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1035 {
1036         return lc->codecs_conf.audio_codecs;
1037 }
1038
1039 /**
1040  * Returns the list of available video codecs.
1041  *
1042  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1043  * structure holding the codec information.
1044  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1045  * (such as the order of codecs).
1046 **/
1047 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1048 {
1049         return lc->codecs_conf.video_codecs;
1050 }
1051
1052 /**
1053  * Sets the local "from" identity.
1054  *
1055  * @ingroup proxies
1056  * This data is used in absence of any proxy configuration or when no
1057  * default proxy configuration is set. See LinphoneProxyConfig
1058 **/
1059 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1060 {
1061         LinphoneAddress *ctt;
1062
1063         if ((ctt=linphone_address_new(contact))==0) {
1064                 ms_error("Bad contact url: %s",contact);
1065                 return -1;
1066         }
1067         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1068         lc->sip_conf.contact=ms_strdup(contact);
1069         if (lc->sip_conf.guessed_contact!=NULL){
1070                 ms_free(lc->sip_conf.guessed_contact);
1071                 lc->sip_conf.guessed_contact=NULL;
1072         }
1073         linphone_address_destroy(ctt);
1074         return 0;
1075 }
1076
1077
1078 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1079 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1080         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1081             && linphone_core_get_nat_address(lc)!=NULL){
1082                 strncpy(result,linphone_core_get_nat_address(lc),LINPHONE_IPADDR_SIZE);
1083                 return;
1084         }
1085         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1086                 return;
1087         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1088         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1089 }
1090
1091 static void update_primary_contact(LinphoneCore *lc){
1092         char *guessed=NULL;
1093         char tmp[LINPHONE_IPADDR_SIZE];
1094
1095         LinphoneAddress *url;
1096         if (lc->sip_conf.guessed_contact!=NULL){
1097                 ms_free(lc->sip_conf.guessed_contact);
1098                 lc->sip_conf.guessed_contact=NULL;
1099         }
1100         url=linphone_address_new(lc->sip_conf.contact);
1101         if (!url){
1102                 ms_error("Could not parse identity contact !");
1103                 url=linphone_address_new("sip:unknown@unkwownhost");
1104         }
1105         linphone_core_get_local_ip(lc, NULL, tmp);
1106         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1107                 ms_warning("Local loopback network only !");
1108                 lc->sip_conf.loopback_only=TRUE;
1109         }else lc->sip_conf.loopback_only=FALSE;
1110         linphone_address_set_domain(url,tmp);
1111         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1112         guessed=linphone_address_as_string(url);
1113         lc->sip_conf.guessed_contact=guessed;
1114         linphone_address_destroy(url);
1115 }
1116
1117 /**
1118  * Returns the default identity when no proxy configuration is used.
1119  *
1120  * @ingroup proxies
1121 **/
1122 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1123         char *identity;
1124
1125         if (lc->sip_conf.guess_hostname){
1126                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1127                         update_primary_contact(lc);
1128                 }
1129                 identity=lc->sip_conf.guessed_contact;
1130         }else{
1131                 identity=lc->sip_conf.contact;
1132         }
1133         return identity;
1134 }
1135
1136 /**
1137  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1138  *
1139  * @ingroup proxies
1140 **/
1141 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1142         lc->sip_conf.guess_hostname=val;
1143 }
1144
1145 /**
1146  * Returns TRUE if hostname part of primary contact is guessed automatically.
1147  *
1148  * @ingroup proxies
1149 **/
1150 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1151         return lc->sip_conf.guess_hostname;
1152 }
1153
1154 /**
1155  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1156  * instead of const char*
1157  *
1158  * @ingroup proxies
1159 **/
1160 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1161         return linphone_address_new(linphone_core_get_primary_contact(lc));
1162 }
1163
1164 /**
1165  * Sets the list of audio codecs.
1166  *
1167  * @ingroup media_parameters
1168  * The list is taken by the LinphoneCore thus the application should not free it.
1169  * This list is made of struct PayloadType describing the codec parameters.
1170 **/
1171 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1172 {
1173         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1174         lc->codecs_conf.audio_codecs=codecs;
1175         return 0;
1176 }
1177
1178 /**
1179  * Sets the list of video codecs.
1180  *
1181  * @ingroup media_parameters
1182  * The list is taken by the LinphoneCore thus the application should not free it.
1183  * This list is made of struct PayloadType describing the codec parameters.
1184 **/
1185 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1186 {
1187         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1188         lc->codecs_conf.video_codecs=codecs;
1189         return 0;
1190 }
1191
1192 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1193 {
1194         return lc->friends;
1195 }
1196
1197 /**
1198  * Returns the nominal jitter buffer size in milliseconds.
1199  *
1200  * @ingroup media_parameters
1201 **/
1202 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1203 {
1204         return lc->rtp_conf.audio_jitt_comp;
1205 }
1206
1207 /**
1208  * Returns the UDP port used for audio streaming.
1209  *
1210  * @ingroup network_parameters
1211 **/
1212 int linphone_core_get_audio_port(const LinphoneCore *lc)
1213 {
1214         return lc->rtp_conf.audio_rtp_port;
1215 }
1216
1217 /**
1218  * Returns the UDP port used for video streaming.
1219  *
1220  * @ingroup network_parameters
1221 **/
1222 int linphone_core_get_video_port(const LinphoneCore *lc){
1223         return lc->rtp_conf.video_rtp_port;
1224 }
1225
1226
1227 /**
1228  * Returns the value in seconds of the no-rtp timeout.
1229  *
1230  * @ingroup media_parameters
1231  * When no RTP or RTCP packets have been received for a while
1232  * LinphoneCore will consider the call is broken (remote end crashed or
1233  * disconnected from the network), and thus will terminate the call.
1234  * The no-rtp timeout is the duration above which the call is considered broken.
1235 **/
1236 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1237         return lc->rtp_conf.nortp_timeout;
1238 }
1239
1240 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1241         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1242 }
1243
1244 /**
1245  * Sets the nominal audio jitter buffer size in milliseconds.
1246  *
1247  * @ingroup media_parameters
1248 **/
1249 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1250 {
1251         lc->rtp_conf.audio_jitt_comp=value;
1252 }
1253
1254 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1255         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1256 }
1257
1258 /**
1259  * Sets the UDP port used for audio streaming.
1260  *
1261  * @ingroup network_parameters
1262 **/
1263 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1264 {
1265         lc->rtp_conf.audio_rtp_port=port;
1266 }
1267
1268 /**
1269  * Sets the UDP port used for video streaming.
1270  *
1271  * @ingroup network_parameters
1272 **/
1273 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1274         lc->rtp_conf.video_rtp_port=port;
1275 }
1276
1277 /**
1278  * Sets the no-rtp timeout value in seconds.
1279  *
1280  * @ingroup media_parameters
1281  * See linphone_core_get_nortp_timeout() for details.
1282 **/
1283 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1284         lc->rtp_conf.nortp_timeout=nortp_timeout;
1285 }
1286
1287 /**
1288  * Indicates whether SIP INFO is used for sending digits.
1289  *
1290  * @ingroup media_parameters
1291 **/
1292 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1293 {
1294         return lc->sip_conf.use_info;
1295 }
1296
1297 /**
1298  * Sets whether SIP INFO is to be used for sending digits.
1299  *
1300  * @ingroup media_parameters
1301 **/
1302 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1303 {
1304         lc->sip_conf.use_info=use_info;
1305 }
1306
1307 /**
1308  * Indicates whether RFC2833 is used for sending digits.
1309  *
1310  * @ingroup media_parameters
1311 **/
1312 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1313 {
1314         return lc->sip_conf.use_rfc2833;
1315 }
1316
1317 /**
1318  * Sets whether RFC2833 is to be used for sending digits.
1319  *
1320  * @ingroup media_parameters
1321 **/
1322 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1323 {
1324         lc->sip_conf.use_rfc2833=use_rfc2833;
1325 }
1326
1327 /**
1328  * Returns the UDP port used by SIP.
1329  *
1330  * Deprecated: use linphone_core_get_sip_transports() instead.
1331  * @ingroup network_parameters
1332 **/
1333 int linphone_core_get_sip_port(LinphoneCore *lc)
1334 {
1335         LCSipTransports *tr=&lc->sip_conf.transports;
1336         return tr->udp_port>0 ? tr->udp_port : tr->tcp_port;
1337 }
1338
1339 static char _ua_name[64]="Linphone";
1340 static char _ua_version[64]=LINPHONE_VERSION;
1341
1342 #ifdef HAVE_EXOSIP_GET_VERSION
1343 extern const char *eXosip_get_version();
1344 #endif
1345
1346 static void apply_user_agent(LinphoneCore *lc){
1347         char ua_string[256];
1348         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1349 #ifdef HAVE_EXOSIP_GET_VERSION
1350                  eXosip_get_version()
1351 #else
1352                  "unknown"
1353 #endif
1354         );
1355         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1356 }
1357
1358 /**
1359  * Sets the user agent string used in SIP messages.
1360  *
1361  * @ingroup misc
1362 **/
1363 void linphone_core_set_user_agent(const char *name, const char *ver){
1364         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1365         strncpy(_ua_version,ver,sizeof(_ua_version));
1366 }
1367
1368 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1369         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1370         ms_warning(msg);
1371         if (lc->vtable.display_warning)
1372                 lc->vtable.display_warning(lc,msg);
1373         ms_free(msg);
1374 }
1375
1376 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1377         return
1378                 tr2->udp_port==tr1->udp_port &&
1379                 tr2->tcp_port==tr1->tcp_port &&
1380                 tr2->dtls_port==tr1->dtls_port &&
1381                 tr2->tls_port==tr1->tls_port;
1382 }
1383
1384 static int apply_transports(LinphoneCore *lc){
1385         Sal *sal=lc->sal;
1386         const char *anyaddr;
1387         LCSipTransports *tr=&lc->sip_conf.transports;
1388
1389         if (lc->sip_conf.ipv6_enabled)
1390                 anyaddr="::0";
1391         else
1392                 anyaddr="0.0.0.0";
1393
1394         sal_unlisten_ports (sal);
1395         if (tr->udp_port>0){
1396                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportDatagram,FALSE)!=0){
1397                         transport_error(lc,"UDP",tr->udp_port);
1398                         return -1;
1399                 }
1400         }
1401         if (tr->tcp_port>0){
1402                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportStream,FALSE)!=0){
1403                         transport_error(lc,"TCP",tr->tcp_port);
1404                 }
1405         }
1406         apply_user_agent(lc);
1407         return 0;
1408 }
1409
1410 /**
1411  * Sets the ports to be used for each of transport (UDP or TCP)
1412  *
1413  * A zero value port for a given transport means the transport
1414  * is not used.
1415  *
1416  * @ingroup network_parameters
1417 **/
1418 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1419
1420         if (transports_unchanged(tr,&lc->sip_conf.transports))
1421                 return 0;
1422         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1423
1424         if (lc->sal==NULL) return 0;
1425         return apply_transports(lc);
1426 }
1427
1428 /**
1429  * Retrieves the ports used for each transport (udp, tcp).
1430  * A zero value port for a given transport means the transport
1431  * is not used.
1432  * @ingroup network_parameters
1433 **/
1434 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1435         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1436         return 0;
1437 }
1438
1439 /**
1440  * Sets the UDP port to be used by SIP.
1441  *
1442  * Deprecated: use linphone_core_set_sip_transports() instead.
1443  * @ingroup network_parameters
1444 **/
1445 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1446 {
1447         LCSipTransports tr;
1448         memset(&tr,0,sizeof(tr));
1449         tr.udp_port=port;
1450         linphone_core_set_sip_transports (lc,&tr);
1451 }
1452
1453 /**
1454  * Returns TRUE if IPv6 is enabled.
1455  *
1456  * @ingroup network_parameters
1457  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1458 **/
1459 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1460         return lc->sip_conf.ipv6_enabled;
1461 }
1462
1463 /**
1464  * Turns IPv6 support on or off.
1465  *
1466  * @ingroup network_parameters
1467  *
1468  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1469  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1470  * By default IPv6 support is off.
1471 **/
1472 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1473         if (lc->sip_conf.ipv6_enabled!=val){
1474                 lc->sip_conf.ipv6_enabled=val;
1475                 if (lc->sal){
1476                         /* we need to restart eXosip */
1477                         apply_transports(lc);
1478                 }
1479         }
1480 }
1481
1482 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1483         ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1484         (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1485         (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1486         (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1487         (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1488 }
1489
1490 static void linphone_core_disconnected(LinphoneCore *lc, LinphoneCall *call){
1491         char temp[256];
1492         char *from=NULL;
1493         if(call)
1494                 from = linphone_call_get_remote_address_as_string(call);
1495         if(from)
1496         {
1497                 snprintf(temp,sizeof(temp),"Remote end %s seems to have disconnected, the call is going to be closed.",from);
1498                 free(from);
1499         }
1500         else
1501         {
1502                 snprintf(temp,sizeof(temp),"Remote end seems to have disconnected, the call is going to be closed.");
1503         }
1504         if (lc->vtable.display_warning!=NULL)
1505                 lc->vtable.display_warning(lc,temp);
1506         linphone_core_terminate_call(lc,call);
1507 }
1508
1509 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1510         static time_t last_check=0;
1511         static bool_t last_status=FALSE;
1512         char result[LINPHONE_IPADDR_SIZE];
1513         bool_t new_status=last_status;
1514
1515         /* only do the network up checking every five seconds */
1516         if (last_check==0 || (curtime-last_check)>=5){
1517                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1518                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1519                         new_status=TRUE;
1520                 }else new_status=FALSE;
1521                 last_check=curtime;
1522                 if (new_status!=last_status) {
1523                         if (new_status){
1524                                 ms_message("New local ip address is %s",result);
1525                         }
1526                         set_network_reachable(lc,new_status, curtime);
1527                         last_status=new_status;
1528                 }
1529         }
1530 }
1531
1532 static void proxy_update(LinphoneCore *lc){
1533         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1534         MSList* list=ms_list_copy(lc->sip_conf.deleted_proxies);
1535         for(;list!=NULL;list=list->next){
1536                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*) list->data;
1537                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1538                         lc->sip_conf.deleted_proxies =ms_list_remove(lc->sip_conf.deleted_proxies,(void *)cfg);
1539                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1540                         linphone_proxy_config_destroy(cfg);
1541                 }
1542         }
1543         ms_list_free(list);
1544 }
1545
1546 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1547         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1548         if (lf!=NULL){
1549                 lf->info=info;
1550                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1551                 if (lc->vtable.buddy_info_updated)
1552                         lc->vtable.buddy_info_updated(lc,lf);
1553         }else{
1554                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1555         }
1556 }
1557
1558 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1559         MSList *elem;
1560         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1561         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1562                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1563                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1564                         if (req->results!=NULL){
1565                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1566                                 ms_list_free(req->results);
1567                                 req->results=NULL;
1568                                 assign_buddy_info(lc,i);
1569                         }
1570                         sip_setup_context_buddy_lookup_free(ctx,req);
1571                         elem->data=NULL;
1572                 }
1573         }
1574         /*purge completed requests */
1575         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1576                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1577         }
1578 }
1579
1580 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1581         const MSList *elem;
1582         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1583         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1584                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1585                 if (lf->info==NULL){
1586                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1587                                 if (linphone_address_get_username(lf->uri)!=NULL){
1588                                         BuddyLookupRequest *req;
1589                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1590                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1591                                         buddy_lookup_request_set_key(req,tmp);
1592                                         buddy_lookup_request_set_max_results(req,1);
1593                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1594                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1595                                         ms_free(tmp);
1596                                 }
1597                         }
1598                 }
1599         }
1600 }
1601
1602 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1603         LinphoneProxyConfig *cfg=NULL;
1604         linphone_core_get_default_proxy(lc,&cfg);
1605         if (cfg){
1606                 if (lc->bl_refresh){
1607                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1608                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1609                                 linphone_core_grab_buddy_infos(lc,cfg);
1610                                 lc->bl_refresh=FALSE;
1611                         }
1612                 }
1613                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1614         }
1615 }
1616
1617 /**
1618  * Main loop function. It is crucial that your application call it periodically.
1619  *
1620  * @ingroup initializing
1621  * linphone_core_iterate() performs various backgrounds tasks:
1622  * - receiving of SIP messages
1623  * - handles timers and timeout
1624  * - performs registration to proxies
1625  * - authentication retries
1626  * The application MUST call this function periodically, in its main loop.
1627  * Be careful that this function must be called from the same thread as
1628  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1629  * serialized with a mutex.
1630 **/
1631 void linphone_core_iterate(LinphoneCore *lc){
1632         MSList *calls;
1633         LinphoneCall *call;
1634         int disconnect_timeout = linphone_core_get_nortp_timeout(lc);
1635         time_t curtime=time(NULL);
1636         int elapsed;
1637         bool_t one_second_elapsed=FALSE;
1638         bool_t disconnected=FALSE;
1639
1640         if (curtime-lc->prevtime>=1){
1641                 lc->prevtime=curtime;
1642                 one_second_elapsed=TRUE;
1643         }
1644
1645         if (lc->ecc!=NULL){
1646                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1647                 if (ecs!=LinphoneEcCalibratorInProgress){
1648                         if (lc->ecc->cb)
1649                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1650                         if (ecs==LinphoneEcCalibratorDone){
1651                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-10,0));
1652                         }
1653                         ec_calibrator_destroy(lc->ecc);
1654                         lc->ecc=NULL;
1655                 }
1656         }
1657
1658         if (lc->preview_finished){
1659                 lc->preview_finished=0;
1660                 ring_stop(lc->ringstream);
1661                 lc->ringstream=NULL;
1662                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1663         }
1664
1665         if (lc->ringstream && lc->dmfs_playing_start_time!=0
1666             && (curtime-lc->dmfs_playing_start_time)>5){
1667                 ring_stop(lc->ringstream);
1668                 lc->ringstream=NULL;
1669                 lc->dmfs_playing_start_time=0;
1670         }
1671
1672         sal_iterate(lc->sal);
1673         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1674         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1675
1676         proxy_update(lc);
1677
1678         //we have to iterate for each call
1679         calls= lc->calls;
1680         while(calls!= NULL){
1681                 call = (LinphoneCall *)calls->data;
1682                  /* get immediately a reference to next one in case the one
1683                  we are going to examine is destroy and removed during
1684                  linphone_core_start_invite() */
1685                 calls=calls->next;
1686                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1687                                 /*start the call even if the OPTIONS reply did not arrive*/
1688                                 linphone_core_start_invite(lc,call,NULL);
1689                         }
1690                 if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallOutgoingRinging){
1691                         elapsed=curtime-call->start_time;
1692                         ms_message("incoming call ringing for %i seconds",elapsed);
1693                         if (elapsed>lc->sip_conf.inc_timeout){
1694                                 call->log->status=LinphoneCallMissed;
1695                                 linphone_core_terminate_call(lc,call);
1696                         }
1697                 }
1698         }
1699         call = linphone_core_get_current_call(lc);
1700         if(call)
1701         {
1702                 if (call->state==LinphoneCallStreamsRunning && one_second_elapsed)
1703                 {
1704                         RtpSession *as=NULL,*vs=NULL;
1705                         lc->prevtime=curtime;
1706                         if (call->audiostream!=NULL)
1707                                 as=call->audiostream->session;
1708                         if (call->videostream!=NULL)
1709                                 vs=call->videostream->session;
1710                         display_bandwidth(as,vs);
1711                 }
1712 #ifdef VIDEO_ENABLED
1713                 if (call->videostream!=NULL)
1714                         video_stream_iterate(call->videostream);
1715 #endif
1716                 if (call->audiostream!=NULL && disconnect_timeout>0)
1717                         disconnected=!audio_stream_alive(call->audiostream,disconnect_timeout);
1718         }
1719         if (linphone_core_video_preview_enabled(lc)){
1720                 if (lc->previewstream==NULL && lc->calls==NULL)
1721                         toggle_video_preview(lc,TRUE);
1722 #ifdef VIDEO_ENABLED
1723                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1724 #endif
1725         }else{
1726                 if (lc->previewstream!=NULL)
1727                         toggle_video_preview(lc,FALSE);
1728         }
1729         if (disconnected)
1730                 linphone_core_disconnected(lc,call);
1731
1732         linphone_core_do_plugin_tasks(lc);
1733
1734         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1735             (curtime-lc->netup_time)>3){
1736                 linphone_core_send_initial_subscribes(lc);
1737                 lc->initial_subscribes_sent=TRUE;
1738         }
1739
1740         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1741                 lp_config_sync(lc->config);
1742         }
1743 }
1744
1745 /**
1746  * Interpret a call destination as supplied by the user, and returns a fully qualified
1747  * LinphoneAddress.
1748  *
1749  * A sip address should look like DisplayName <sip:username@domain:port> .
1750  * Basically this function performs the following tasks
1751  * - if a phone number is entered, prepend country prefix of the default proxy
1752  *   configuration, eventually escape the '+' by 00.
1753  * - if no domain part is supplied, append the domain name of the default proxy
1754  * - if no sip: is present, prepend it
1755  *
1756  * The result is a syntaxically correct SIP address.
1757 **/
1758
1759 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1760         enum_lookup_res_t *enumres=NULL;
1761         char *enum_domain=NULL;
1762         LinphoneProxyConfig *proxy=lc->default_proxy;;
1763         char *tmpurl;
1764         LinphoneAddress *uri;
1765
1766         if (is_enum(url,&enum_domain)){
1767                 if (lc->vtable.display_status!=NULL)
1768                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1769                 if (enum_lookup(enum_domain,&enumres)<0){
1770                         if (lc->vtable.display_status!=NULL)
1771                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1772                         ms_free(enum_domain);
1773                         return NULL;
1774                 }
1775                 ms_free(enum_domain);
1776                 tmpurl=enumres->sip_address[0];
1777                 uri=linphone_address_new(tmpurl);
1778                 enum_lookup_res_free(enumres);
1779                 return uri;
1780         }
1781         /* check if we have a "sip:" */
1782         if (strstr(url,"sip:")==NULL){
1783                 /* this doesn't look like a true sip uri */
1784                 if (strchr(url,'@')!=NULL){
1785                         /* seems like sip: is missing !*/
1786                         tmpurl=ms_strdup_printf("sip:%s",url);
1787                         uri=linphone_address_new(tmpurl);
1788                         ms_free(tmpurl);
1789                         if (uri){
1790                                 return uri;
1791                         }
1792                 }
1793
1794                 if (proxy!=NULL){
1795                         /* append the proxy domain suffix */
1796                         const char *identity=linphone_proxy_config_get_identity(proxy);
1797                         char normalized_username[128];
1798                         uri=linphone_address_new(identity);
1799                         if (uri==NULL){
1800                                 return NULL;
1801                         }
1802                         linphone_address_set_display_name(uri,NULL);
1803                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1804                                                                 sizeof(normalized_username));
1805                         linphone_address_set_username(uri,normalized_username);
1806                         return uri;
1807                 }else return NULL;
1808         }
1809         uri=linphone_address_new(url);
1810         if (uri!=NULL){
1811                 return uri;
1812         }
1813         /* else we could not do anything with url given by user, so display an error */
1814         if (lc->vtable.display_warning!=NULL){
1815                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1816         }
1817         return NULL;
1818 }
1819
1820 /**
1821  * Returns the default identity SIP address.
1822  *
1823  * @ingroup proxies
1824  * This is an helper function:
1825  *
1826  * If no default proxy is set, this will return the primary contact (
1827  * see linphone_core_get_primary_contact() ). If a default proxy is set
1828  * it returns the registered identity on the proxy.
1829 **/
1830 const char * linphone_core_get_identity(LinphoneCore *lc){
1831         LinphoneProxyConfig *proxy=NULL;
1832         const char *from;
1833         linphone_core_get_default_proxy(lc,&proxy);
1834         if (proxy!=NULL) {
1835                 from=linphone_proxy_config_get_identity(proxy);
1836         }else from=linphone_core_get_primary_contact(lc);
1837         return from;
1838 }
1839
1840 const char * linphone_core_get_route(LinphoneCore *lc){
1841         LinphoneProxyConfig *proxy=NULL;
1842         const char *route=NULL;
1843         linphone_core_get_default_proxy(lc,&proxy);
1844         if (proxy!=NULL) {
1845                 route=linphone_proxy_config_get_route(proxy);
1846         }
1847         return route;
1848 }
1849
1850 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
1851         if (call->refer_pending){
1852                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
1853                 cp->referer=call;
1854                 ms_message("Starting new call to refered address %s",call->refer_to);
1855                 call->refer_pending=FALSE;
1856                 linphone_core_invite_with_params(lc,call->refer_to,cp);
1857                 linphone_call_params_destroy(cp);
1858         }
1859 }
1860
1861 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1862         const MSList *elem;
1863         LinphoneProxyConfig *found_cfg=NULL;
1864         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1865                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1866                 const char *domain=linphone_proxy_config_get_domain(cfg);
1867                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1868                         found_cfg=cfg;
1869                         break;
1870                 }
1871         }
1872         return found_cfg;
1873 }
1874
1875 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
1876         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
1877         if (cfg==NULL)
1878                 linphone_core_get_default_proxy (lc,&cfg);
1879         if (cfg!=NULL){
1880                 *route=linphone_proxy_config_get_route(cfg);
1881                 return linphone_proxy_config_get_identity (cfg);
1882         }
1883         return linphone_core_get_primary_contact (lc);
1884 }
1885
1886 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1887         LinphoneAddress *ctt;
1888         const char *localip=call->localip;
1889
1890         /* first use user's supplied ip address if asked*/
1891         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
1892                 ctt=linphone_core_get_primary_contact_parsed(lc);
1893                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1894                         linphone_core_get_nat_address(lc));
1895         }
1896
1897         /* if already choosed, don't change it */
1898         if (call->op && sal_op_get_contact(call->op)!=NULL){
1899                 return NULL;
1900         }
1901         /* if the ping OPTIONS request succeeded use the contact guessed from the
1902          received, rport*/
1903         if (call->ping_op){
1904                 const char *guessed=sal_op_get_contact(call->ping_op);
1905                 if (guessed){
1906                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
1907                         return ms_strdup(guessed);
1908                 }
1909         }
1910
1911         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
1912         if (dest_proxy && dest_proxy->op){
1913                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
1914                 if (fixed_contact) {
1915                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
1916                         return ms_strdup(fixed_contact);
1917                 }
1918         }
1919
1920         ctt=linphone_core_get_primary_contact_parsed(lc);
1921
1922         if (ctt!=NULL){
1923                 char *ret;
1924                 /*otherwise use supllied localip*/
1925                 linphone_address_set_domain(ctt,localip);
1926                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
1927                 ret=linphone_address_as_string_uri_only(ctt);
1928                 linphone_address_destroy(ctt);
1929                 ms_message("Contact has been fixed using local ip to %s",ret);
1930                 return ret;
1931         }
1932         return NULL;
1933 }
1934
1935 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
1936         int err;
1937         char *contact;
1938         char *real_url,*barmsg;
1939         char *from;
1940
1941         /*try to be best-effort in giving real local or routable contact address */
1942         contact=get_fixed_contact(lc,call,dest_proxy);
1943         if (contact){
1944                 sal_op_set_contact(call->op, contact);
1945                 ms_free(contact);
1946         }
1947
1948         //TODO : should probably not be done here
1949         linphone_call_init_media_streams(call);
1950         if (!lc->sip_conf.sdp_200_ack){
1951                 call->media_pending=TRUE;
1952                 sal_call_set_local_media_description(call->op,call->localdesc);
1953         }
1954         real_url=linphone_address_as_string(call->log->to);
1955         from=linphone_address_as_string(call->log->from);
1956         err=sal_call(call->op,from,real_url);
1957
1958         if (lc->sip_conf.sdp_200_ack){
1959                 call->media_pending=TRUE;
1960                 sal_call_set_local_media_description(call->op,call->localdesc);
1961         }
1962         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
1963         if (lc->vtable.display_status!=NULL)
1964                 lc->vtable.display_status(lc,barmsg);
1965         ms_free(barmsg);
1966
1967         if (err<0){
1968                 if (lc->vtable.display_status!=NULL)
1969                         lc->vtable.display_status(lc,_("Could not call"));
1970                 linphone_call_stop_media_streams(call);
1971                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
1972         }else {
1973                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
1974         }
1975         ms_free(real_url);
1976         ms_free(from);
1977         return err;
1978 }
1979
1980 /**
1981  * Initiates an outgoing call
1982  *
1983  * @ingroup call_control
1984  * @param lc the LinphoneCore object
1985  * @param url the destination of the call (sip address, or phone number).
1986  *
1987  * The application doesn't own a reference to the returned LinphoneCall object.
1988  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
1989  *
1990  * @return a LinphoneCall object or NULL in case of failure
1991 **/
1992 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
1993         LinphoneCall *call;
1994         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
1995         call=linphone_core_invite_with_params(lc,url,p);
1996         linphone_call_params_destroy(p);
1997         return call;
1998 }
1999
2000
2001 /**
2002  * Initiates an outgoing call according to supplied call parameters
2003  *
2004  * @ingroup call_control
2005  * @param lc the LinphoneCore object
2006  * @param url the destination of the call (sip address, or phone number).
2007  * @param p call parameters
2008  *
2009  * The application doesn't own a reference to the returned LinphoneCall object.
2010  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2011  *
2012  * @return a LinphoneCall object or NULL in case of failure
2013 **/
2014 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2015         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2016         if (addr){
2017                 LinphoneCall *call;
2018                 call=linphone_core_invite_address_with_params(lc,addr,p);
2019                 linphone_address_destroy(addr);
2020                 return call;
2021         }
2022         return NULL;
2023 }
2024
2025 /**
2026  * Initiates an outgoing call given a destination LinphoneAddress
2027  *
2028  * @ingroup call_control
2029  * @param lc the LinphoneCore object
2030  * @param addr the destination of the call (sip address).
2031  *
2032  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2033  * created by linphone_core_interpret_url().
2034  * The application doesn't own a reference to the returned LinphoneCall object.
2035  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2036  *
2037  * @return a LinphoneCall object or NULL in case of failure
2038 **/
2039 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2040         LinphoneCall *call;
2041         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2042         call=linphone_core_invite_address_with_params (lc,addr,p);
2043         linphone_call_params_destroy(p);
2044         return call;
2045 }
2046
2047
2048 /**
2049  * Initiates an outgoing call given a destination LinphoneAddress
2050  *
2051  * @ingroup call_control
2052  * @param lc the LinphoneCore object
2053  * @param addr the destination of the call (sip address).
2054         @param params call parameters
2055  *
2056  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2057  * created by linphone_core_interpret_url().
2058  * The application doesn't own a reference to the returned LinphoneCall object.
2059  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2060  *
2061  * @return a LinphoneCall object or NULL in case of failure
2062 **/
2063 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2064 {
2065         int err=0;
2066         const char *route=NULL;
2067         const char *from=NULL;
2068         LinphoneProxyConfig *proxy=NULL;
2069         LinphoneAddress *parsed_url2=NULL;
2070         char *real_url=NULL;
2071         LinphoneProxyConfig *dest_proxy=NULL;
2072         LinphoneCall *call;
2073
2074         if (linphone_core_in_call(lc)){
2075                 if (lc->vtable.display_warning)
2076                         lc->vtable.display_warning(lc,_("Sorry, you have to pause or stop the current call first !"));
2077                 return NULL;
2078         }
2079         if(!linphone_core_can_we_add_call(lc)){
2080                 if (lc->vtable.display_warning)
2081                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2082                 return NULL;
2083         }
2084         linphone_core_get_default_proxy(lc,&proxy);
2085         route=linphone_core_get_route(lc);
2086
2087         real_url=linphone_address_as_string(addr);
2088         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2089
2090         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2091                 ms_message("Overriding default proxy setting for this call:");
2092                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2093         }
2094
2095         if (dest_proxy!=NULL)
2096                 from=linphone_proxy_config_get_identity(dest_proxy);
2097         else if (proxy!=NULL)
2098                 from=linphone_proxy_config_get_identity(proxy);
2099
2100         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2101         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2102
2103         parsed_url2=linphone_address_new(from);
2104
2105         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2106         sal_op_set_route(call->op,route);
2107
2108         if(linphone_core_add_call(lc,call)!= 0)
2109         {
2110                 ms_warning("we had a problem in adding the call into the invite ... weird");
2111                 linphone_call_unref(call);
2112                 return NULL;
2113         }
2114         /* this call becomes now the current one*/
2115         lc->current_call=call;
2116         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2117         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2118                 err=linphone_core_start_invite(lc,call,dest_proxy);
2119         }else{
2120                 /*defer the start of the call after the OPTIONS ping*/
2121                 call->ping_op=sal_op_new(lc->sal);
2122                 sal_ping(call->ping_op,from,real_url);
2123                 sal_op_set_user_pointer(call->ping_op,call);
2124                 call->start_time=time(NULL);
2125         }
2126
2127         if (real_url!=NULL) ms_free(real_url);
2128         return call;
2129 }
2130
2131 /**
2132  * Performs a simple call transfer to the specified destination.
2133  *
2134  * The remote endpoint is expected to issue a new call to the specified destination.
2135  * The current call remains active and thus can be later paused or terminated.
2136 **/
2137 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2138 {
2139         char *real_url=NULL;
2140         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2141
2142         if (!real_parsed_url){
2143                 /* bad url */
2144                 return -1;
2145         }
2146         if (call==NULL){
2147                 ms_warning("No established call to refer.");
2148                 return -1;
2149         }
2150         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2151         real_url=linphone_address_as_string (real_parsed_url);
2152         sal_call_refer(call->op,real_url);
2153         ms_free(real_url);
2154         linphone_address_destroy(real_parsed_url);
2155         return 0;
2156 }
2157
2158 /**
2159  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2160  * @param lc linphone core object
2161  * @param call a running call you want to transfer
2162  * @param dest a running call whose remote person will receive the transfer
2163  *
2164  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2165  * The destination call is a call previously established to introduce the transfered person.
2166  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2167  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2168  * close the call with us (the 'dest' call).
2169 **/
2170 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2171         return sal_call_refer_with_replaces (call->op,dest->op);
2172 }
2173
2174 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2175         LinphoneCall *call = linphone_core_get_current_call(lc);
2176         if(call != NULL)
2177         {
2178                 if(call->dir==LinphoneCallIncoming
2179                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2180                         return TRUE;
2181         }
2182         return FALSE;
2183 }
2184
2185 /**
2186  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2187  *
2188  * In this version this is limited to the following use cases:
2189  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2190  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2191  *
2192  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be ommitted and set to NULL.
2193  *
2194  * @return 0 if successful, -1 otherwise.
2195 **/
2196 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2197         int err=0;
2198         if (params!=NULL){
2199                 if (call->localdesc)
2200                         sal_media_description_unref(call->localdesc);
2201                 call->params=*params;
2202                 call->localdesc=create_local_media_description (lc,call);
2203                 call->camera_active=params->has_video;
2204                 if (lc->vtable.display_status)
2205                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2206                 sal_call_set_local_media_description (call->op,call->localdesc);
2207                 err=sal_call_update(call->op);
2208         }else{
2209 #ifdef VIDEO_ENABLED
2210                 if (call->videostream!=NULL){
2211                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2212                         video_stream_update_video_params (call->videostream);
2213                 }
2214 #endif
2215         }
2216
2217         return err;
2218 }
2219
2220
2221 /**
2222  * Accept an incoming call.
2223  *
2224  * @ingroup call_control
2225  * Basically the application is notified of incoming calls within the
2226  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2227  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2228  * The application can later accept the call using
2229  * this method.
2230  * @param lc the LinphoneCore object
2231  * @param call the LinphoneCall object representing the call to be answered.
2232  *
2233 **/
2234 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
2235 {
2236         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2237         const char *contact=NULL;
2238         SalOp *replaced;
2239         SalMediaDescription *new_md;
2240
2241         if (call==NULL){
2242                 //if just one call is present answer the only one ...
2243                 if(linphone_core_get_calls_nb (lc) != 1)
2244                         return -1;
2245                 else
2246                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2247         }
2248
2249         if (call->state==LinphoneCallConnected){
2250                 /*call already accepted*/
2251                 return -1;
2252         }
2253
2254         /* check if this call is supposed to replace an already running one*/
2255         replaced=sal_call_get_replaces(call->op);
2256         if (replaced){
2257                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2258                 if (rc){
2259                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2260                                    call,rc);
2261                         linphone_core_terminate_call (lc,rc);
2262                 }
2263         }
2264
2265         if (lc->current_call!=NULL && lc->current_call!=call){
2266                 ms_warning("Cannot accept this call, there is already one running.");
2267                 return -1;
2268         }
2269
2270         /*can accept a new call only if others are on hold */
2271         {
2272                 MSList *elem;
2273                 for(elem=lc->calls;elem!=NULL;elem=elem->next){
2274                         LinphoneCall *c=(LinphoneCall*)elem->data;
2275                         if (c!=call && (c->state!=LinphoneCallPaused && c->state!=LinphoneCallPausing)){
2276                                 ms_warning("Cannot accept this call as another one is running, pause it before.");
2277                                 return -1;
2278                         }
2279                 }
2280         }
2281
2282         /*stop ringing */
2283         if (lc->ringstream!=NULL) {
2284                 ms_message("stop ringing");
2285                 ring_stop(lc->ringstream);
2286                 ms_message("ring stopped");
2287                 lc->ringstream=NULL;
2288         }
2289
2290         linphone_core_get_default_proxy(lc,&cfg);
2291         dest_proxy=cfg;
2292         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2293
2294         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2295                 ms_message("Overriding default proxy setting for this call:");
2296                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2297         }
2298         /*try to be best-effort in giving real local or routable contact address*/
2299         contact=get_fixed_contact(lc,call,dest_proxy);
2300         if (contact)
2301                 sal_op_set_contact(call->op,contact);
2302
2303         if (call->audiostream==NULL)
2304                 linphone_call_init_media_streams(call);
2305
2306         sal_call_accept(call->op);
2307         if (lc->vtable.display_status!=NULL)
2308                 lc->vtable.display_status(lc,_("Connected."));
2309         lc->current_call=call;
2310         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2311         new_md=sal_call_get_final_media_description(call->op);
2312         linphone_core_update_streams(lc, call, new_md);
2313         if (new_md){
2314                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2315         }else call->media_pending=TRUE;
2316
2317         ms_message("call answered.");
2318         return 0;
2319 }
2320
2321 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2322         sal_call_terminate(call->op);
2323
2324         /*stop ringing*/
2325         if (lc->ringstream!=NULL) {
2326                 ring_stop(lc->ringstream);
2327                 lc->ringstream=NULL;
2328         }
2329         linphone_call_stop_media_streams(call);
2330         if (lc->vtable.display_status!=NULL)
2331                 lc->vtable.display_status(lc,_("Call aborted") );
2332         linphone_call_set_state(call,LinphoneCallError,error);
2333         return 0;
2334 }
2335
2336
2337 /**
2338  * Terminates a call.
2339  *
2340  * @ingroup call_control
2341  * @param lc the LinphoneCore
2342  * @param the_call the LinphoneCall object representing the call to be terminated.
2343 **/
2344 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2345 {
2346         LinphoneCall *call;
2347         if (the_call == NULL){
2348                 call = linphone_core_get_current_call(lc);
2349                 if (ms_list_size(lc->calls)==1){
2350                         call=(LinphoneCall*)lc->calls->data;
2351                 }else{
2352                         ms_warning("No unique call to terminate !");
2353                         return -1;
2354                 }
2355         }
2356         else
2357         {
2358                 call = the_call;
2359         }
2360         sal_call_terminate(call->op);
2361         if (call->state==LinphoneCallIncomingReceived){
2362                 call->reason=LinphoneReasonDeclined;
2363         }
2364         /*stop ringing*/
2365         if (lc->ringstream!=NULL) {
2366                 ring_stop(lc->ringstream);
2367                 lc->ringstream=NULL;
2368         }
2369         linphone_call_stop_media_streams(call);
2370         if (lc->vtable.display_status!=NULL)
2371                 lc->vtable.display_status(lc,_("Call ended") );
2372         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2373         return 0;
2374 }
2375
2376 /**
2377  * Terminates all the calls.
2378  *
2379  * @ingroup call_control
2380  * @param lc The LinphoneCore
2381 **/
2382 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2383         while(lc->calls)
2384         {
2385                 LinphoneCall *the_call = lc->calls->data;
2386                 linphone_core_terminate_call(lc,the_call);
2387         }
2388         ms_list_free(lc->calls);
2389         return -1;
2390 }
2391
2392 /**
2393  * Returns the current list of calls.
2394  *
2395  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2396  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2397  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2398  *
2399  * @ingroup call_control
2400 **/
2401 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2402 {
2403         return lc->calls;
2404 }
2405
2406 /**
2407  * Returns TRUE if there is a call running.
2408  *
2409  * @ingroup call_control
2410 **/
2411 bool_t linphone_core_in_call(const LinphoneCore *lc){
2412         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL;
2413 }
2414
2415 /**
2416  * Returns The _LinphoneCall struct of the current call if one is in call
2417  *
2418  * @ingroup call_control
2419 **/
2420 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2421 {
2422         return lc->current_call;
2423 }
2424
2425 /**
2426  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2427  * this file will be played to the remote user.
2428  *
2429  * @ingroup call_control
2430 **/
2431 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *the_call)
2432 {
2433         LinphoneCall *call = the_call;
2434
2435         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2436                 ms_warning("Cannot pause this call, it is not active.");
2437                 return -1;
2438         }
2439
2440         if (sal_call_hold(call->op,TRUE) != 0)
2441         {
2442                 if (lc->vtable.display_warning)
2443                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2444         }
2445         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2446         if (lc->vtable.display_status)
2447                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2448         lc->current_call=NULL;
2449         if (call->audiostream || call->videostream)
2450                 linphone_call_stop_media_streams (call);
2451         return 0;
2452 }
2453
2454 /**
2455  * Pause all currently running calls.
2456 **/
2457 int linphone_core_pause_all_calls(LinphoneCore *lc){
2458         const MSList *elem;
2459         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2460                 LinphoneCall *call=(LinphoneCall *)elem->data;
2461                 LinphoneCallState cs=linphone_call_get_state(call);
2462                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2463                         linphone_core_pause_call(lc,call);
2464                 }
2465         }
2466         return 0;
2467 }
2468
2469 /**
2470  * Resumes the call.
2471  *
2472  * @ingroup call_control
2473 **/
2474 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2475 {
2476         char temp[255]={0};
2477         LinphoneCall *call = the_call;
2478
2479         if(call->state!=LinphoneCallPaused ){
2480                 ms_warning("we cannot resume a call that has not been established and paused before");
2481                 return -1;
2482         }
2483         if(linphone_core_get_current_call(lc) != NULL){
2484                 ms_warning("There is already a call in process, pause or stop it first.");
2485                 if (lc->vtable.display_warning)
2486                         lc->vtable.display_warning(lc,_("There is already a call in process, pause or stop it first."));
2487                 return -1;
2488         }
2489         ms_message("Resuming call %p",call);
2490         if(sal_call_hold(call->op,FALSE) != 0){
2491                 return -1;
2492         }
2493         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2494         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2495         if (lc->vtable.display_status)
2496                 lc->vtable.display_status(lc,temp);
2497         lc->current_call=call;
2498         return 0;
2499 }
2500
2501 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2502         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2503         return !linphone_address_weak_equal (addr,raddr);
2504 }
2505
2506 /**
2507  * Get the call with the remote_address specified
2508  * @param lc
2509  * @param remote_address
2510  * @return the LinphoneCall of the call if found
2511  */
2512 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2513         LinphoneAddress *raddr=linphone_address_new(remote_address);
2514         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2515         if (elem) return (LinphoneCall*) elem->data;
2516         return NULL;
2517 }
2518
2519 int linphone_core_send_publish(LinphoneCore *lc,
2520                                LinphoneOnlineStatus presence_mode)
2521 {
2522         const MSList *elem;
2523         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2524                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2525                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2526         }
2527         return 0;
2528 }
2529
2530 /**
2531  * Set the incoming call timeout in seconds.
2532  *
2533  * @ingroup call_control
2534  * If an incoming call isn't answered for this timeout period, it is
2535  * automatically declined.
2536 **/
2537 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2538         lc->sip_conf.inc_timeout=seconds;
2539 }
2540
2541 /**
2542  * Returns the incoming call timeout
2543  *
2544  * @ingroup call_control
2545  * See linphone_core_set_inc_timeout() for details.
2546 **/
2547 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2548         return lc->sip_conf.inc_timeout;
2549 }
2550
2551 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2552                                                                                                         const char *contact,
2553                                                                                                         LinphoneOnlineStatus presence_mode)
2554 {
2555         if (minutes_away>0) lc->minutes_away=minutes_away;
2556
2557         if (lc->alt_contact!=NULL) {
2558                 ms_free(lc->alt_contact);
2559                 lc->alt_contact=NULL;
2560         }
2561         if (contact) lc->alt_contact=ms_strdup(contact);
2562         if (lc->presence_mode!=presence_mode){
2563                 linphone_core_notify_all_friends(lc,presence_mode);
2564                 /*
2565                    Improve the use of all LINPHONE_STATUS available.
2566                    !TODO Do not mix "presence status" with "answer status code"..
2567                    Use correct parameter to follow sip_if_match/sip_etag.
2568                  */
2569                 linphone_core_send_publish(lc,presence_mode);
2570         }
2571         lc->presence_mode=presence_mode;
2572 }
2573
2574 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2575         return lc->presence_mode;
2576 }
2577
2578 /**
2579  * Get playback sound level in 0-100 scale.
2580  *
2581  * @ingroup media_parameters
2582 **/
2583 int linphone_core_get_play_level(LinphoneCore *lc)
2584 {
2585         return lc->sound_conf.play_lev;
2586 }
2587
2588 /**
2589  * Get ring sound level in 0-100 scale
2590  *
2591  * @ingroup media_parameters
2592 **/
2593 int linphone_core_get_ring_level(LinphoneCore *lc)
2594 {
2595         return lc->sound_conf.ring_lev;
2596 }
2597
2598 /**
2599  * Get sound capture level in 0-100 scale
2600  *
2601  * @ingroup media_parameters
2602 **/
2603 int linphone_core_get_rec_level(LinphoneCore *lc){
2604         return lc->sound_conf.rec_lev;
2605 }
2606
2607 /**
2608  * Set sound ring level in 0-100 scale
2609  *
2610  * @ingroup media_parameters
2611 **/
2612 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2613         MSSndCard *sndcard;
2614         lc->sound_conf.ring_lev=level;
2615         sndcard=lc->sound_conf.ring_sndcard;
2616         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2617 }
2618
2619 /**
2620  * Allow to control play level before entering sound card:  gain in db
2621  *
2622  * @ingroup media_parameters
2623 **/
2624 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2625         float gain=gaindb;
2626         LinphoneCall *call=linphone_core_get_current_call (lc);
2627         AudioStream *st;
2628
2629         lc->sound_conf.soft_play_lev=gaindb;
2630
2631         if (call==NULL || (st=call->audiostream)==NULL){
2632                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2633                 return;
2634         }
2635         if (st->volrecv){
2636                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2637         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2638 }
2639
2640 /**
2641  * Get playback gain in db before entering  sound card.
2642  *
2643  * @ingroup media_parameters
2644 **/
2645 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2646         return lc->sound_conf.soft_play_lev;
2647 }
2648
2649 /**
2650  * Set sound playback level in 0-100 scale
2651  *
2652  * @ingroup media_parameters
2653 **/
2654 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2655         MSSndCard *sndcard;
2656         lc->sound_conf.play_lev=level;
2657         sndcard=lc->sound_conf.play_sndcard;
2658         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2659 }
2660
2661 /**
2662  * Set sound capture level in 0-100 scale
2663  *
2664  * @ingroup media_parameters
2665 **/
2666 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2667 {
2668         MSSndCard *sndcard;
2669         lc->sound_conf.rec_lev=level;
2670         sndcard=lc->sound_conf.capt_sndcard;
2671         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2672 }
2673
2674 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2675         MSSndCard *sndcard=NULL;
2676         if (devid!=NULL){
2677                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2678                 if (sndcard!=NULL &&
2679                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2680                         ms_warning("%s card does not have the %s capability, ignoring.",
2681                                 devid,
2682                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2683                         sndcard=NULL;
2684                 }
2685         }
2686         if (sndcard==NULL) {
2687                 /* get a card that has read+write capabilities */
2688                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2689                 /* otherwise refine to the first card having the right capability*/
2690                 if (sndcard==NULL){
2691                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2692                         for(;elem!=NULL;elem=elem->next){
2693                                 sndcard=(MSSndCard*)elem->data;
2694                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2695                         }
2696                 }
2697                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2698                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2699                         if (elem) sndcard=(MSSndCard*)elem->data;
2700         }
2701         }
2702         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2703         return sndcard;
2704 }
2705
2706 /**
2707  * Returns true if the specified sound device can capture sound.
2708  *
2709  * @ingroup media_parameters
2710  * @param devid the device name as returned by linphone_core_get_sound_devices()
2711 **/
2712 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2713         MSSndCard *sndcard;
2714         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2715         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2716         return FALSE;
2717 }
2718
2719 /**
2720  * Returns true if the specified sound device can play sound.
2721  *
2722  * @ingroup media_parameters
2723  * @param devid the device name as returned by linphone_core_get_sound_devices()
2724 **/
2725 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2726         MSSndCard *sndcard;
2727         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2728         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2729         return FALSE;
2730 }
2731
2732 /**
2733  * Sets the sound device used for ringing.
2734  *
2735  * @ingroup media_parameters
2736  * @param devid the device name as returned by linphone_core_get_sound_devices()
2737 **/
2738 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2739         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2740         lc->sound_conf.ring_sndcard=card;
2741         if (card && linphone_core_ready(lc))
2742                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2743         return 0;
2744 }
2745
2746 /**
2747  * Sets the sound device used for playback.
2748  *
2749  * @ingroup media_parameters
2750  * @param devid the device name as returned by linphone_core_get_sound_devices()
2751 **/
2752 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2753         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2754         lc->sound_conf.play_sndcard=card;
2755         if (card &&  linphone_core_ready(lc))
2756                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2757         return 0;
2758 }
2759
2760 /**
2761  * Sets the sound device used for capture.
2762  *
2763  * @ingroup media_parameters
2764  * @param devid the device name as returned by linphone_core_get_sound_devices()
2765 **/
2766 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2767         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2768         lc->sound_conf.capt_sndcard=card;
2769         if (card &&  linphone_core_ready(lc))
2770                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2771         return 0;
2772 }
2773
2774 /**
2775  * Returns the name of the currently assigned sound device for ringing.
2776  *
2777  * @ingroup media_parameters
2778 **/
2779 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2780 {
2781         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2782         return NULL;
2783 }
2784
2785 /**
2786  * Returns the name of the currently assigned sound device for playback.
2787  *
2788  * @ingroup media_parameters
2789 **/
2790 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2791 {
2792         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2793 }
2794
2795 /**
2796  * Returns the name of the currently assigned sound device for capture.
2797  *
2798  * @ingroup media_parameters
2799 **/
2800 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2801 {
2802         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2803 }
2804
2805 /**
2806  * Returns an unmodifiable array of available sound devices.
2807  *
2808  * @ingroup media_parameters
2809  * The array is NULL terminated.
2810 **/
2811 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2812         build_sound_devices_table(lc);
2813         return lc->sound_conf.cards;
2814 }
2815
2816 /**
2817  * Returns an unmodifiable array of available video capture devices.
2818  *
2819  * @ingroup media_parameters
2820  * The array is NULL terminated.
2821 **/
2822 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2823         return lc->video_conf.cams;
2824 }
2825
2826 char linphone_core_get_sound_source(LinphoneCore *lc)
2827 {
2828         return lc->sound_conf.source;
2829 }
2830
2831 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2832 {
2833         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2834         lc->sound_conf.source=source;
2835         if (!sndcard) return;
2836         switch(source){
2837                 case 'm':
2838                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2839                         break;
2840                 case 'l':
2841                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2842                         break;
2843         }
2844
2845 }
2846
2847
2848 /**
2849  * Sets the path to a wav file used for ringing.
2850  *
2851  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
2852  *
2853  * @ingroup media_parameters
2854 **/
2855 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
2856         if (lc->sound_conf.local_ring!=0){
2857                 ms_free(lc->sound_conf.local_ring);
2858         }
2859         lc->sound_conf.local_ring=ms_strdup(path);
2860         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
2861                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
2862 }
2863
2864 /**
2865  * Returns the path to the wav file used for ringing.
2866  *
2867  * @ingroup media_parameters
2868 **/
2869 const char *linphone_core_get_ring(const LinphoneCore *lc){
2870         return lc->sound_conf.local_ring;
2871 }
2872
2873 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
2874         LinphoneCore *lc=(LinphoneCore*)ud;
2875         lc->preview_finished=1;
2876 }
2877
2878 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
2879 {
2880         if (lc->ringstream!=0){
2881                 ms_warning("Cannot start ring now,there's already a ring being played");
2882                 return -1;
2883         }
2884         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
2885         lc->preview_finished=0;
2886         if (lc->sound_conf.ring_sndcard!=NULL){
2887                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2888                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
2889         }
2890         return 0;
2891 }
2892
2893 /**
2894  * Sets the path to a wav file used for ringing back.
2895  *
2896  * Ringback means the ring that is heard when it's ringing at the remote party.
2897  * The file must be a wav 16bit linear.
2898  *
2899  * @ingroup media_parameters
2900 **/
2901 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
2902         if (lc->sound_conf.remote_ring!=0){
2903                 ms_free(lc->sound_conf.remote_ring);
2904         }
2905         lc->sound_conf.remote_ring=ms_strdup(path);
2906 }
2907
2908 /**
2909  * Returns the path to the wav file used for ringing back.
2910  *
2911  * @ingroup media_parameters
2912 **/
2913 const char * linphone_core_get_ringback(const LinphoneCore *lc){
2914         return lc->sound_conf.remote_ring;
2915 }
2916
2917 /**
2918  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
2919  *
2920  * @ingroup media_parameters
2921 **/
2922 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
2923         lc->sound_conf.ec=val;
2924         if ( linphone_core_ready(lc))
2925                 lp_config_set_int(lc->config,"sound","echocancellation",val);
2926 }
2927
2928
2929 /**
2930  * Returns TRUE if echo cancellation is enabled.
2931  *
2932  * @ingroup media_parameters
2933 **/
2934 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
2935         return lc->sound_conf.ec;
2936 }
2937
2938 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
2939         lc->sound_conf.ea=val;
2940 }
2941
2942 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
2943         return lc->sound_conf.ea;
2944 }
2945
2946 /**
2947  * Mutes or unmutes the local microphone.
2948  *
2949  * @ingroup media_parameters
2950 **/
2951 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
2952         LinphoneCall *call=linphone_core_get_current_call(lc);
2953         if (call==NULL){
2954                 ms_warning("linphone_core_mute_mic(): No current call !");
2955                 return;
2956         }
2957         if (call->audiostream!=NULL){
2958                 audio_stream_set_mic_gain(call->audiostream,
2959                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
2960                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
2961                         audio_stream_mute_rtp(call->audiostream,val);
2962                 }
2963                 call->audio_muted=val;
2964         }
2965 }
2966
2967 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
2968         LinphoneCall *call=linphone_core_get_current_call(lc);
2969         if (call==NULL){
2970                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2971                 return FALSE;
2972         }
2973         return call->audio_muted;
2974 }
2975
2976 // returns rtp transmission status for an active stream
2977 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
2978 // was set on then rtp transmission is also muted
2979 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
2980         LinphoneCall *call=linphone_core_get_current_call(lc);
2981         if (call==NULL){
2982                 ms_warning("linphone_core_is_mic_muted(): No current call !");
2983                 return FALSE;
2984         }
2985         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
2986                 return call->audio_muted;
2987         }
2988         return FALSE;
2989 }
2990
2991 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
2992         lc->sound_conf.agc=val;
2993 }
2994
2995 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
2996         return lc->sound_conf.agc;
2997 }
2998
2999 /**
3000  * Send the specified dtmf.
3001  *
3002  * @ingroup media_parameters
3003  * This function only works during calls. The dtmf is automatically played to the user.
3004  * @param lc The LinphoneCore object
3005  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3006  *
3007 **/
3008 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3009 {
3010         LinphoneCall *call=linphone_core_get_current_call(lc);
3011         if (call==NULL){
3012                 ms_warning("linphone_core_send_dtmf(): no active call");
3013                 return;
3014         }
3015         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3016         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3017         {
3018                 /* In Band DTMF */
3019                 if (call->audiostream!=NULL){
3020                         audio_stream_send_dtmf(call->audiostream,dtmf);
3021                 }
3022                 else
3023                 {
3024                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3025                 }
3026         }
3027         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3028                 /* Out of Band DTMF (use INFO method) */
3029                 sal_call_send_dtmf(call->op,dtmf);
3030         }
3031 }
3032
3033 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3034         if (lc->net_conf.stun_server!=NULL)
3035                 ms_free(lc->net_conf.stun_server);
3036         if (server)
3037                 lc->net_conf.stun_server=ms_strdup(server);
3038         else lc->net_conf.stun_server=NULL;
3039 }
3040
3041 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3042         return lc->net_conf.stun_server;
3043 }
3044
3045 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3046         return lc->net_conf.relay;
3047 }
3048
3049 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3050         if (lc->net_conf.relay!=NULL){
3051                 ms_free(lc->net_conf.relay);
3052                 lc->net_conf.relay=NULL;
3053         }
3054         if (addr){
3055                 lc->net_conf.relay=ms_strdup(addr);
3056         }
3057         return 0;
3058 }
3059
3060 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3061 {
3062         if (lc->net_conf.nat_address!=NULL){
3063                 ms_free(lc->net_conf.nat_address);
3064         }
3065         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3066         else lc->net_conf.nat_address=NULL;
3067         if (lc->sip_conf.contact) update_primary_contact(lc);
3068 }
3069
3070 const char *linphone_core_get_nat_address(const LinphoneCore *lc)
3071 {
3072         return lc->net_conf.nat_address;
3073 }
3074
3075 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3076         lc->net_conf.firewall_policy=pol;
3077         if (lc->sip_conf.contact) update_primary_contact(lc);
3078 }
3079
3080 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3081         return lc->net_conf.firewall_policy;
3082 }
3083
3084 /**
3085  * Get the list of call logs (past calls).
3086  *
3087  * @ingroup call_logs
3088 **/
3089 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3090         lc->missed_calls=0;
3091         return lc->call_logs;
3092 }
3093
3094 /**
3095  * Erase the call log.
3096  *
3097  * @ingroup call_logs
3098 **/
3099 void linphone_core_clear_call_logs(LinphoneCore *lc){
3100         lc->missed_calls=0;
3101         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3102         lc->call_logs=ms_list_free(lc->call_logs);
3103         call_logs_write_to_config_file(lc);
3104 }
3105
3106 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3107 #ifdef VIDEO_ENABLED
3108         if (val){
3109                 if (lc->previewstream==NULL){
3110                         lc->previewstream=video_preview_new();
3111                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3112                         if (lc->video_conf.displaytype)
3113                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3114                         if (lc->preview_window_id!=0)
3115                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3116                         video_preview_start(lc->previewstream,lc->video_conf.device);
3117                 }
3118         }else{
3119                 if (lc->previewstream!=NULL){
3120                         video_preview_stop(lc->previewstream);
3121                         lc->previewstream=NULL;
3122                 }
3123         }
3124 #endif
3125 }
3126
3127 /**
3128  * Enables video globally.
3129  *
3130  * @ingroup media_parameters
3131  * This function does not have any effect during calls. It just indicates LinphoneCore to
3132  * initiate future calls with video or not. The two boolean parameters indicate in which
3133  * direction video is enabled. Setting both to false disables video entirely.
3134  *
3135  * @param vcap_enabled indicates whether video capture is enabled
3136  * @param display_enabled indicates whether video display should be shown
3137  *
3138 **/
3139 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3140 #ifndef VIDEO_ENABLED
3141         if (vcap_enabled || display_enabled)
3142                 ms_warning("This version of linphone was built without video support.");
3143 #endif
3144         lc->video_conf.capture=vcap_enabled;
3145         lc->video_conf.display=display_enabled;
3146
3147         /* need to re-apply network bandwidth settings*/
3148         linphone_core_set_download_bandwidth(lc,
3149                 linphone_core_get_download_bandwidth(lc));
3150         linphone_core_set_upload_bandwidth(lc,
3151                 linphone_core_get_upload_bandwidth(lc));
3152 }
3153
3154 /**
3155  * Returns TRUE if video is enabled, FALSE otherwise.
3156  * @ingroup media_parameters
3157 **/
3158 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3159         return (lc->video_conf.display || lc->video_conf.capture);
3160 }
3161
3162 /**
3163  * Controls video preview enablement.
3164  *
3165  * @ingroup media_parameters
3166  * Video preview refers to the action of displaying the local webcam image
3167  * to the user while not in call.
3168 **/
3169 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3170         lc->video_conf.show_local=val;
3171 }
3172
3173 /**
3174  * Returns TRUE if video previewing is enabled.
3175  * @ingroup media_parameters
3176 **/
3177 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3178         return lc->video_conf.show_local;
3179 }
3180
3181 /**
3182  * Enables or disable self view during calls.
3183  *
3184  * @ingroup media_parameters
3185  * Self-view refers to having local webcam image inserted in corner
3186  * of the video window during calls.
3187  * This function works at any time, including during calls.
3188 **/
3189 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3190 #ifdef VIDEO_ENABLED
3191         LinphoneCall *call=linphone_core_get_current_call (lc);
3192         lc->video_conf.selfview=val;
3193         if (call && call->videostream){
3194                 video_stream_enable_self_view(call->videostream,val);
3195         }
3196 #endif
3197 }
3198
3199 /**
3200  * Returns TRUE if self-view is enabled, FALSE otherwise.
3201  *
3202  * @ingroup media_parameters
3203  *
3204  * Refer to linphone_core_enable_self_view() for details.
3205 **/
3206 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3207         return lc->video_conf.selfview;
3208 }
3209
3210 /**
3211  * Sets the active video device.
3212  *
3213  * @ingroup media_parameters
3214  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3215 **/
3216 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3217         MSWebCam *olddev=lc->video_conf.device;
3218         const char *vd;
3219         if (id!=NULL){
3220                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3221                 if (lc->video_conf.device==NULL){
3222                         ms_warning("Could not found video device %s",id);
3223                 }
3224         }
3225         if (lc->video_conf.device==NULL)
3226                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3227         if (olddev!=NULL && olddev!=lc->video_conf.device){
3228                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3229         }
3230         if ( linphone_core_ready(lc) && lc->video_conf.device){
3231                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3232                 if (vd && strstr(vd,"Static picture")!=NULL){
3233                         vd=NULL;
3234                 }
3235                 lp_config_set_string(lc->config,"video","device",vd);
3236         }
3237         return 0;
3238 }
3239
3240 /**
3241  * Returns the name of the currently active video device.
3242  *
3243  * @ingroup media_parameters
3244 **/
3245 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3246         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3247         return NULL;
3248 }
3249
3250 #ifdef VIDEO_ENABLED
3251 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3252         VideoStream *vs = NULL;
3253         LinphoneCall *call=linphone_core_get_current_call (lc);
3254         /* Select the video stream from the call in the first place */
3255         if (call && call->videostream) {
3256                 vs = call->videostream;
3257         }
3258         /* If not in call, select the video stream from the preview */
3259         if (vs == NULL && lc->previewstream) {
3260                 vs = lc->previewstream;
3261         }
3262         return vs;
3263 }
3264 #endif
3265
3266 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3267 #ifdef VIDEO_ENABLED
3268         VideoStream *vs=get_active_video_stream(lc);
3269         /* If we have a video stream (either preview, either from call), we
3270                  have a source and it is using the static picture filter, then
3271                  force the filter to use that picture. */
3272         if (vs && vs->source) {
3273                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3274                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3275                                                                                                                 (void *)path);
3276                 }
3277         }
3278         /* Tell the static image filter to use that image from now on so
3279                  that the image will be used next time it has to be read */
3280         ms_static_image_set_default_image(path);
3281 #else
3282         ms_warning("Video support not compiled.");
3283 #endif
3284         return 0;
3285 }
3286
3287 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3288 #ifdef VIDEO_ENABLED
3289         VideoStream *vs = NULL;
3290
3291         vs=get_active_video_stream(lc);
3292
3293         /* If we have a video stream (either preview, either from call), we
3294                  have a source and it is using the static picture filter, then
3295                  force the filter to use that picture. */
3296         if (vs && vs->source) {
3297                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3298                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3299                 }
3300         }
3301 #else
3302         ms_warning("Video support not compiled.");
3303 #endif
3304         return 0;
3305 }
3306
3307 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3308 #ifdef VIDEO_ENABLED
3309         VideoStream *vs = NULL;
3310         vs=get_active_video_stream(lc);
3311         /* If we have a video stream (either preview, either from call), we
3312                  have a source and it is using the static picture filter, then
3313                  force the filter to use that picture. */
3314         if (vs && vs->source) {
3315                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3316
3317                         float fps;
3318
3319                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3320                         return fps;
3321                 }
3322         }
3323 #else
3324         ms_warning("Video support not compiled.");
3325 #endif
3326         return 0;
3327 }
3328
3329 /**
3330  * Returns the native window handle of the video window, casted as an unsigned long.
3331  *
3332  * @ingroup media_parameters
3333 **/
3334 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3335 #ifdef VIDEO_ENABLED
3336         LinphoneCall *call=linphone_core_get_current_call (lc);
3337         if (call && call->videostream)
3338                 return video_stream_get_native_window_id(call->videostream);
3339         if (lc->previewstream)
3340                 return video_stream_get_native_window_id(lc->previewstream);
3341 #endif
3342         return lc->video_window_id;
3343 }
3344
3345 /**
3346  * Set the native video window id where the video is to be displayed.
3347  * If not set the core will create its own window.
3348 **/
3349 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3350 #ifdef VIDEO_ENABLED
3351         LinphoneCall *call=linphone_core_get_current_call(lc);
3352         lc->video_window_id=id;
3353         if (call!=NULL && call->videostream){
3354                 video_stream_set_native_window_id(call->videostream,id);
3355         }
3356 #endif
3357 }
3358
3359 /**
3360  * Returns the native window handle of the video preview window, casted as an unsigned long.
3361  *
3362  * @ingroup media_parameters
3363 **/
3364 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3365 #ifdef VIDEO_ENABLED
3366         LinphoneCall *call=linphone_core_get_current_call (lc);
3367         if (call && call->videostream)
3368                 return video_stream_get_native_preview_window_id(call->videostream);
3369         if (lc->previewstream)
3370                 return video_preview_get_native_window_id(lc->previewstream);
3371 #endif
3372         return lc->preview_window_id;
3373 }
3374
3375 /**
3376  * Set the native window id where the preview video (local camera) is to be displayed.
3377  * This has to be used in conjonction with linphone_core_use_preview_window().
3378  * If not set the core will create its own window.
3379 **/
3380 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3381         lc->preview_window_id=id;
3382 }
3383
3384 /**
3385  * Tells the core to use a separate window for local camera preview video, instead of
3386  * inserting local view within the remote video window.
3387  *
3388 **/
3389 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3390         lc->use_preview_window=yesno;
3391 }
3392
3393 static MSVideoSizeDef supported_resolutions[]={
3394         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3395         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3396         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3397         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3398         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3399         {       {MS_VIDEO_SIZE_QVGA_H,MS_VIDEO_SIZE_QVGA_W}     ,       "qvga-portrait" },
3400         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3401         {       {MS_VIDEO_SIZE_QCIF_H,MS_VIDEO_SIZE_QCIF_W}     ,       "qcif-portrait" },
3402         {       {0,0}                   ,       NULL    }
3403 };
3404
3405 /**
3406  * Returns the zero terminated table of supported video resolutions.
3407  *
3408  * @ingroup media_parameters
3409 **/
3410 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3411         return supported_resolutions;
3412 }
3413
3414 static MSVideoSize video_size_get_by_name(const char *name){
3415         MSVideoSizeDef *pdef=supported_resolutions;
3416         MSVideoSize null_vsize={0,0};
3417         for(;pdef->name!=NULL;pdef++){
3418                 if (strcasecmp(name,pdef->name)==0){
3419                         return pdef->vsize;
3420                 }
3421         }
3422         ms_warning("Video resolution %s is not supported in linphone.",name);
3423         return null_vsize;
3424 }
3425
3426 static const char *video_size_get_name(MSVideoSize vsize){
3427         MSVideoSizeDef *pdef=supported_resolutions;
3428         for(;pdef->name!=NULL;pdef++){
3429                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3430                         return pdef->name;
3431                 }
3432         }
3433         return NULL;
3434 }
3435
3436 static bool_t video_size_supported(MSVideoSize vsize){
3437         if (video_size_get_name(vsize)) return TRUE;
3438         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3439         return FALSE;
3440 }
3441
3442 /**
3443  * Sets the preferred video size.
3444  *
3445  * @ingroup media_parameters
3446  * This applies only to the stream that is captured and sent to the remote party,
3447  * since we accept all standard video size on the receive path.
3448 **/
3449 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3450         if (video_size_supported(vsize)){
3451                 MSVideoSize oldvsize=lc->video_conf.vsize;
3452                 lc->video_conf.vsize=vsize;
3453                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3454                         toggle_video_preview(lc,FALSE);
3455                         toggle_video_preview(lc,TRUE);
3456                 }
3457                 if ( linphone_core_ready(lc))
3458                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3459         }
3460 }
3461
3462 /**
3463  * Sets the preferred video size by its name.
3464  *
3465  * @ingroup media_parameters
3466  * This is identical to linphone_core_set_preferred_video_size() except
3467  * that it takes the name of the video resolution as input.
3468  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3469 **/
3470 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3471         MSVideoSize vsize=video_size_get_by_name(name);
3472         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3473         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3474         else linphone_core_set_preferred_video_size(lc,default_vsize);
3475 }
3476
3477 /**
3478  * Returns the current preferred video size for sending.
3479  *
3480  * @ingroup media_parameters
3481 **/
3482 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3483         return lc->video_conf.vsize;
3484 }
3485
3486 /**
3487  * Ask the core to stream audio from and to files, instead of using the soundcard.
3488 **/
3489 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3490         lc->use_files=yesno;
3491 }
3492
3493 /**
3494  * Sets a wav file to be played when putting somebody on hold,
3495  * or when files are used instead of soundcards (see linphone_core_use_files()).
3496  *
3497  * The file must be a 16 bit linear wav file.
3498 **/
3499 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3500         LinphoneCall *call=linphone_core_get_current_call(lc);
3501         if (lc->play_file!=NULL){
3502                 ms_free(lc->play_file);
3503                 lc->play_file=NULL;
3504         }
3505         if (file!=NULL) {
3506                 lc->play_file=ms_strdup(file);
3507                 if (call && call->audiostream && call->audiostream->ticker)
3508                         audio_stream_play(call->audiostream,file);
3509         }
3510 }
3511
3512
3513 /**
3514  * Sets a wav file where incoming stream is to be recorded,
3515  * when files are used instead of soundcards (see linphone_core_use_files()).
3516  *
3517  * The file must be a 16 bit linear wav file.
3518 **/
3519 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3520         LinphoneCall *call=linphone_core_get_current_call(lc);
3521         if (lc->rec_file!=NULL){
3522                 ms_free(lc->rec_file);
3523                 lc->rec_file=NULL;
3524         }
3525         if (file!=NULL) {
3526                 lc->rec_file=ms_strdup(file);
3527                 if (call && call->audiostream)
3528                         audio_stream_record(call->audiostream,file);
3529         }
3530 }
3531
3532
3533 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3534         LinphoneCall *call=linphone_core_get_current_call (lc);
3535         if (call){
3536                 AudioStream *stream=call->audiostream;
3537                 if (stream){
3538                         return stream->dtmfgen;
3539                 }
3540         }
3541         if (lc->ringstream==NULL){
3542                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3543                 lc->ringstream=ring_start(NULL,0,ringcard);
3544                 lc->dmfs_playing_start_time=time(NULL);
3545         }else{
3546                 if (lc->dmfs_playing_start_time!=0)
3547                         lc->dmfs_playing_start_time=time(NULL);
3548         }
3549         return lc->ringstream->gendtmf;
3550 }
3551
3552 /**
3553  * Plays a dtmf to the local user.
3554 **/
3555 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
3556         MSFilter *f=get_dtmf_gen(lc);
3557         if (f==NULL){
3558                 ms_error("No dtmf generator at this time !");
3559                 return;
3560         }
3561         if (duration_ms>0)
3562                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
3563         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
3564 }
3565
3566 /**
3567  * Stops playing a dtmf started by linphone_core_play_dtmf().
3568 **/
3569 void linphone_core_stop_dtmf(LinphoneCore *lc){
3570         MSFilter *f=get_dtmf_gen(lc);
3571         if (f!=NULL)
3572                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
3573 }
3574
3575
3576
3577 /**
3578  * Retrieves the user pointer that was given to linphone_core_new()
3579  *
3580  * @ingroup initializing
3581 **/
3582 void *linphone_core_get_user_data(LinphoneCore *lc){
3583         return lc->data;
3584 }
3585
3586 int linphone_core_get_mtu(const LinphoneCore *lc){
3587         return lc->net_conf.mtu;
3588 }
3589
3590 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3591         lc->net_conf.mtu=mtu;
3592         if (mtu>0){
3593                 if (mtu<500){
3594                         ms_error("MTU too small !");
3595                         mtu=500;
3596                 }
3597                 ms_set_mtu(mtu);
3598                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3599         }else ms_set_mtu(0);//use mediastreamer2 default value
3600 }
3601
3602 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3603         lc->wait_cb=cb;
3604         lc->wait_ctx=user_context;
3605 }
3606
3607 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3608         if (lc->wait_cb){
3609                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3610         }
3611 }
3612
3613 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3614         if (lc->wait_cb){
3615                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3616         }else{
3617 #ifdef WIN32
3618                 Sleep(50000);
3619 #else
3620                 usleep(50000);
3621 #endif
3622         }
3623 }
3624
3625 void linphone_core_stop_waiting(LinphoneCore *lc){
3626         if (lc->wait_cb){
3627                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3628         }
3629 }
3630
3631 void linphone_core_set_audio_transports(LinphoneCore *lc, RtpTransport *rtp, RtpTransport *rtcp){
3632         lc->a_rtp=rtp;
3633         lc->a_rtcp=rtcp;
3634 }
3635
3636 /**
3637  * Retrieve RTP statistics regarding current call.
3638  * @param local RTP statistics computed locally.
3639  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
3640  *
3641  * @note Remote RTP statistics is not implemented yet.
3642  *
3643  * @returns 0 or -1 if no call is running.
3644 **/
3645
3646 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
3647         LinphoneCall *call=linphone_core_get_current_call (lc);
3648         if (call!=NULL){
3649                 if (call->audiostream!=NULL){
3650                         memset(remote,0,sizeof(*remote));
3651                         audio_stream_get_local_rtp_stats (call->audiostream,local);
3652                         return 0;
3653                 }
3654         }
3655         return -1;
3656 }
3657
3658 void net_config_uninit(LinphoneCore *lc)
3659 {
3660         net_config_t *config=&lc->net_conf;
3661         lp_config_set_int(lc->config,"net","download_bw",config->download_bw);
3662         lp_config_set_int(lc->config,"net","upload_bw",config->upload_bw);
3663
3664         if (config->stun_server!=NULL){
3665                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3666                 ms_free(lc->net_conf.stun_server);
3667         }
3668         if (config->nat_address!=NULL){
3669                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3670                 ms_free(lc->net_conf.nat_address);
3671         }
3672         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3673         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3674 }
3675
3676
3677 void sip_config_uninit(LinphoneCore *lc)
3678 {
3679         MSList *elem;
3680         int i;
3681         sip_config_t *config=&lc->sip_conf;
3682         lp_config_set_int(lc->config,"sip","sip_port",config->transports.udp_port);
3683         lp_config_set_int(lc->config,"sip","sip_tcp_port",config->transports.tcp_port);
3684         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3685         lp_config_set_string(lc->config,"sip","contact",config->contact);
3686         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3687         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3688         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3689         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3690         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3691
3692
3693         lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
3694
3695         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3696                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3697                 linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
3698                 linphone_proxy_config_edit(cfg);        /* to unregister */
3699         }
3700         /*to ensure remove configs are erased:*/
3701         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);
3702
3703         for (i=0;i<20;i++){
3704                 sal_iterate(lc->sal);
3705 #ifndef WIN32
3706                 usleep(100000);
3707 #else
3708                 Sleep(100);
3709 #endif
3710         }
3711
3712         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3713         ms_list_free(config->proxies);
3714         config->proxies=NULL;
3715
3716         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
3717
3718         for(elem=lc->auth_info,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3719                 LinphoneAuthInfo *ai=(LinphoneAuthInfo*)(elem->data);
3720                 linphone_auth_info_write_config(lc->config,ai,i);
3721         }
3722         linphone_auth_info_write_config(lc->config,NULL,i); /* mark the end */
3723         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
3724         ms_list_free(lc->auth_info);
3725         lc->auth_info=NULL;
3726
3727         sal_uninit(lc->sal);
3728         lc->sal=NULL;
3729
3730         if (lc->sip_conf.guessed_contact)
3731                 ms_free(lc->sip_conf.guessed_contact);
3732         if (config->contact)
3733                 ms_free(config->contact);
3734
3735 }
3736
3737 void rtp_config_uninit(LinphoneCore *lc)
3738 {
3739         rtp_config_t *config=&lc->rtp_conf;
3740         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
3741         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
3742         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
3743         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
3744         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
3745 }
3746
3747 void sound_config_uninit(LinphoneCore *lc)
3748 {
3749         sound_config_t *config=&lc->sound_conf;
3750         ms_free(config->cards);
3751
3752         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
3753
3754         if (config->local_ring) ms_free(config->local_ring);
3755         if (config->remote_ring) ms_free(config->remote_ring);
3756         ms_snd_card_manager_destroy();
3757 }
3758
3759 void video_config_uninit(LinphoneCore *lc)
3760 {
3761         lp_config_set_int(lc->config,"video","enabled",linphone_core_video_enabled(lc));
3762         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
3763         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3764         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3765         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
3766         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
3767         if (lc->video_conf.cams)
3768                 ms_free(lc->video_conf.cams);
3769 }
3770
3771 void codecs_config_uninit(LinphoneCore *lc)
3772 {
3773         PayloadType *pt;
3774         codecs_config_t *config=&lc->codecs_conf;
3775         MSList *node;
3776         char key[50];
3777         int index;
3778         index=0;
3779         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
3780                 pt=(PayloadType*)(node->data);
3781                 sprintf(key,"audio_codec_%i",index);
3782                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3783                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3784                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3785                 index++;
3786         }
3787         sprintf(key,"audio_codec_%i",index);
3788         lp_config_clean_section (lc->config,key);
3789
3790         index=0;
3791         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
3792                 pt=(PayloadType*)(node->data);
3793                 sprintf(key,"video_codec_%i",index);
3794                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
3795                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
3796                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
3797                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
3798                 index++;
3799         }
3800         sprintf(key,"video_codec_%i",index);
3801         lp_config_clean_section (lc->config,key);
3802
3803         ms_list_free(lc->codecs_conf.audio_codecs);
3804         ms_list_free(lc->codecs_conf.video_codecs);
3805 }
3806
3807 void ui_config_uninit(LinphoneCore* lc)
3808 {
3809         if (lc->friends){
3810                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
3811                 ms_list_free(lc->friends);
3812                 lc->friends=NULL;
3813         }
3814 }
3815
3816 /**
3817  * Returns the LpConfig object used to manage the storage (config) file.
3818  *
3819  * @ingroup misc
3820  * The application can use the LpConfig object to insert its own private
3821  * sections and pairs of key=value in the configuration file.
3822  *
3823 **/
3824 LpConfig *linphone_core_get_config(LinphoneCore *lc){
3825         return lc->config;
3826 }
3827
3828 static void linphone_core_uninit(LinphoneCore *lc)
3829 {
3830         while(lc->calls)
3831         {
3832                 LinphoneCall *the_call = lc->calls->data;
3833                 linphone_core_terminate_call(lc,the_call);
3834                 linphone_core_iterate(lc);
3835 #ifdef WIN32
3836                 Sleep(50000);
3837 #else
3838                 usleep(50000);
3839 #endif
3840         }
3841
3842         if (lc->friends)
3843                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
3844         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
3845 #ifdef VIDEO_ENABLED
3846         if (lc->previewstream!=NULL){
3847                 video_preview_stop(lc->previewstream);
3848                 lc->previewstream=NULL;
3849         }
3850 #endif
3851         ms_event_queue_destroy(lc->msevq);
3852         lc->msevq=NULL;
3853         /* save all config */
3854         net_config_uninit(lc);
3855         sip_config_uninit(lc);
3856         rtp_config_uninit(lc);
3857         sound_config_uninit(lc);
3858         video_config_uninit(lc);
3859         codecs_config_uninit(lc);
3860         ui_config_uninit(lc);
3861         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
3862         lp_config_destroy(lc->config);
3863         lc->config = NULL; /* Mark the config as NULL to block further calls */
3864         sip_setup_unregister_all();
3865
3866         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3867         lc->call_logs=ms_list_free(lc->call_logs);
3868
3869         linphone_core_free_payload_types();
3870
3871         ortp_exit();
3872         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
3873 }
3874
3875 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
3876         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
3877         // second get the list of available proxies
3878         const MSList *elem=linphone_core_get_proxy_config_list(lc);
3879         for(;elem!=NULL;elem=elem->next){
3880                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3881                 if (linphone_proxy_config_register_enabled(cfg) ) {
3882                         if (!isReachable) {
3883                                 cfg->registered=0;
3884                         }else{
3885                                 cfg->commit=TRUE;
3886                         }
3887                 }
3888         }
3889         lc->netup_time=curtime;
3890         lc->network_reachable=isReachable;
3891 }
3892
3893 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
3894         //first disable automatic mode
3895         if (lc->auto_net_state_mon) {
3896                 ms_message("Disabling automatic network state monitoring");
3897                 lc->auto_net_state_mon=FALSE;
3898         }
3899         set_network_reachable(lc,isReachable, ms_time(NULL));
3900 }
3901
3902 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
3903         return lc->network_reachable;
3904 }
3905 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
3906         return sal_get_socket(lc->sal);
3907 }
3908 /**
3909  * Destroys a LinphoneCore
3910  *
3911  * @ingroup initializing
3912 **/
3913 void linphone_core_destroy(LinphoneCore *lc){
3914         linphone_core_uninit(lc);
3915         ms_free(lc);
3916 }
3917 /**
3918  * Get the number of Call
3919  *
3920  * @ingroup call_control
3921 **/
3922 int linphone_core_get_calls_nb(const LinphoneCore *lc){
3923         return  ms_list_size(lc->calls);;
3924 }
3925
3926 /**
3927  * Check if we do not have exceed the number of simultaneous call
3928  *
3929  * @ingroup call_control
3930 **/
3931 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
3932 {
3933         if(linphone_core_get_calls_nb(lc) < NB_MAX_CALLS)
3934                 return TRUE;
3935         ms_error("Maximum amount of simultaneous calls reached !");
3936         return FALSE;
3937 }
3938
3939
3940 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
3941 {
3942         if(linphone_core_can_we_add_call(lc))
3943         {
3944                 lc->calls = ms_list_append(lc->calls,call);
3945                 return 0;
3946         }
3947         return -1;
3948 }
3949
3950 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
3951 {
3952         MSList *it;
3953         MSList *the_calls = lc->calls;
3954
3955         it=ms_list_find(the_calls,call);
3956         if (it)
3957         {
3958                 the_calls = ms_list_remove_link(the_calls,it);
3959         }
3960         else
3961         {
3962                 ms_warning("could not find the call into the list\n");
3963                 return -1;
3964         }
3965         lc->calls = the_calls;
3966         return 0;
3967 }
3968
3969 /**
3970  * Specifiies a ring back tone to be played to far end during incoming calls.
3971 **/
3972 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
3973         if (lc->sound_conf.ringback_tone){
3974                 ms_free(lc->sound_conf.ringback_tone);
3975                 lc->sound_conf.ringback_tone=NULL;
3976         }
3977         if (file)
3978                 lc->sound_conf.ringback_tone=ms_strdup(file);
3979 }
3980
3981 /**
3982  * Returns the ring back tone played to far end during incoming calls.
3983 **/
3984 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
3985         return lc->sound_conf.ringback_tone;
3986 }
3987
3988 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
3989         const MSList *elem;
3990         for(elem=from;elem!=NULL;elem=elem->next){
3991                 PayloadType *pt=(PayloadType*)elem->data;
3992                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
3993                         return pt;
3994                 }
3995         }
3996         return NULL;
3997 }
3998
3999 /**
4000  * Get payload type  from mime type and clock rate
4001  * @ingroup media_parameters
4002  * This function searches in audio and video codecs for the given payload type name and clockrate.
4003  * Returns NULL if not found.
4004  */
4005 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4006         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4007         if (result)  {
4008                 return result;
4009         } else {
4010                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4011                 if (result) {
4012                         return result;
4013                 }
4014         }
4015         /*not found*/
4016         return NULL;
4017 }
4018
4019 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4020         switch(gs){
4021                 case LinphoneGlobalOff:
4022                         return "LinphoneGlobalOff";
4023                 break;
4024                 case LinphoneGlobalOn:
4025                         return "LinphoneGlobalOn";
4026                 break;
4027                 case LinphoneGlobalStartup:
4028                         return "LinphoneGlobalStartup";
4029                 break;
4030                 case LinphoneGlobalShutdown:
4031                         return "LinphoneGlobalShutdown";
4032                 break;
4033         }
4034         return NULL;
4035 }
4036
4037 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4038         return lc->state;
4039 }
4040
4041 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4042         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4043         p->has_video=linphone_core_video_enabled(lc);
4044         return p;
4045 }
4046
4047 const char *linphone_error_to_string(LinphoneReason err){
4048         switch(err){
4049                 case LinphoneReasonNone:
4050                         return "No error";
4051                 case LinphoneReasonNoResponse:
4052                         return "No response";
4053                 case LinphoneReasonBadCredentials:
4054                         return "Bad credentials";
4055                 case LinphoneReasonDeclined:
4056                         return "Call declined";
4057         }
4058         return "unknown error";
4059 }
4060 /**
4061  * enable signaling keep alive
4062  */
4063 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4064         if (enable > 0) {
4065                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4066         } else {
4067                 sal_set_keepalive_period(lc->sal,0);
4068         }
4069 }
4070 /**
4071  * Is signaling keep alive
4072  */
4073 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4074         return sal_get_keepalive_period(lc->sal) > 0;
4075 }