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

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