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